diff options
106 files changed, 625 insertions, 603 deletions
diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 5384713d48bc..17b9740e138b 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -221,7 +221,7 @@ static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi, * @bio: bio to generate/verify integrity metadata for * @proc_fn: Pointer to the relevant processing function */ -static int bio_integrity_process(struct bio *bio, +static blk_status_t bio_integrity_process(struct bio *bio, integrity_processing_fn *proc_fn) { struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev); @@ -229,7 +229,7 @@ static int bio_integrity_process(struct bio *bio, struct bvec_iter bviter; struct bio_vec bv; struct bio_integrity_payload *bip = bio_integrity(bio); - unsigned int ret = 0; + blk_status_t ret = BLK_STS_OK; void *prot_buf = page_address(bip->bip_vec->bv_page) + bip->bip_vec->bv_offset; @@ -366,7 +366,7 @@ static void bio_integrity_verify_fn(struct work_struct *work) struct bio *bio = bip->bip_bio; struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev); - bio->bi_error = bio_integrity_process(bio, bi->profile->verify_fn); + bio->bi_status = bio_integrity_process(bio, bi->profile->verify_fn); /* Restore original bio completion handler */ bio->bi_end_io = bip->bip_end_io; @@ -395,7 +395,7 @@ void bio_integrity_endio(struct bio *bio) * integrity metadata. Restore original bio end_io handler * and run it. */ - if (bio->bi_error) { + if (bio->bi_status) { bio->bi_end_io = bip->bip_end_io; bio_endio(bio); diff --git a/block/bio.c b/block/bio.c index 888e7801c638..7a5c8ed27f42 100644 --- a/block/bio.c +++ b/block/bio.c @@ -309,8 +309,8 @@ static struct bio *__bio_chain_endio(struct bio *bio) { struct bio *parent = bio->bi_private; - if (!parent->bi_error) - parent->bi_error = bio->bi_error; + if (!parent->bi_status) + parent->bi_status = bio->bi_status; bio_put(bio); return parent; } @@ -918,7 +918,7 @@ static void submit_bio_wait_endio(struct bio *bio) { struct submit_bio_ret *ret = bio->bi_private; - ret->error = bio->bi_error; + ret->error = blk_status_to_errno(bio->bi_status); complete(&ret->event); } @@ -1818,7 +1818,7 @@ again: if (bio->bi_bdev && bio_flagged(bio, BIO_TRACE_COMPLETION)) { trace_block_bio_complete(bdev_get_queue(bio->bi_bdev), - bio, bio->bi_error); + bio, bio->bi_status); bio_clear_flag(bio, BIO_TRACE_COMPLETION); } diff --git a/block/blk-core.c b/block/blk-core.c index e942a9f814c7..3d84820ace9e 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -144,6 +144,9 @@ static const struct { [BLK_STS_PROTECTION] = { -EILSEQ, "protection" }, [BLK_STS_RESOURCE] = { -ENOMEM, "kernel resource" }, + /* device mapper special case, should not leak out: */ + [BLK_STS_DM_REQUEUE] = { -EREMCHG, "dm internal retry" }, + /* everything else not covered above: */ [BLK_STS_IOERR] = { -EIO, "I/O" }, }; @@ -188,7 +191,7 @@ static void req_bio_endio(struct request *rq, struct bio *bio, unsigned int nbytes, blk_status_t error) { if (error) - bio->bi_error = blk_status_to_errno(error); + bio->bi_status = error; if (unlikely(rq->rq_flags & RQF_QUIET)) bio_set_flag(bio, BIO_QUIET); @@ -1717,7 +1720,7 @@ static blk_qc_t blk_queue_bio(struct request_queue *q, struct bio *bio) blk_queue_split(q, &bio, q->bio_split); if (bio_integrity_enabled(bio) && bio_integrity_prep(bio)) { - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); return BLK_QC_T_NONE; } @@ -1775,7 +1778,10 @@ get_rq: req = get_request(q, bio->bi_opf, bio, GFP_NOIO); if (IS_ERR(req)) { __wbt_done(q->rq_wb, wb_acct); - bio->bi_error = PTR_ERR(req); + if (PTR_ERR(req) == -ENOMEM) + bio->bi_status = BLK_STS_RESOURCE; + else + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); goto out_unlock; } @@ -1930,7 +1936,7 @@ generic_make_request_checks(struct bio *bio) { struct request_queue *q; int nr_sectors = bio_sectors(bio); - int err = -EIO; + blk_status_t status = BLK_STS_IOERR; char b[BDEVNAME_SIZE]; struct hd_struct *part; @@ -1973,7 +1979,7 @@ generic_make_request_checks(struct bio *bio) !test_bit(QUEUE_FLAG_WC, &q->queue_flags)) { bio->bi_opf &= ~(REQ_PREFLUSH | REQ_FUA); if (!nr_sectors) { - err = 0; + status = BLK_STS_OK; goto end_io; } } @@ -2025,9 +2031,9 @@ generic_make_request_checks(struct bio *bio) return true; not_supported: - err = -EOPNOTSUPP; + status = BLK_STS_NOTSUPP; end_io: - bio->bi_error = err; + bio->bi_status = status; bio_endio(bio); return false; } diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 0f891a9aff4d..feb30570eaf5 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -384,9 +384,9 @@ static struct kobj_type integrity_ktype = { .sysfs_ops = &integrity_ops, }; -static int blk_integrity_nop_fn(struct blk_integrity_iter *iter) +static blk_status_t blk_integrity_nop_fn(struct blk_integrity_iter *iter) { - return 0; + return BLK_STS_OK; } static const struct blk_integrity_profile nop_profile = { diff --git a/block/bounce.c b/block/bounce.c index 1cb5dd3a5da1..e4703181d97f 100644 --- a/block/bounce.c +++ b/block/bounce.c @@ -143,7 +143,7 @@ static void bounce_end_io(struct bio *bio, mempool_t *pool) mempool_free(bvec->bv_page, pool); } - bio_orig->bi_error = bio->bi_error; + bio_orig->bi_status = bio->bi_status; bio_endio(bio_orig); bio_put(bio); } @@ -163,7 +163,7 @@ static void __bounce_end_io_read(struct bio *bio, mempool_t *pool) { struct bio *bio_orig = bio->bi_private; - if (!bio->bi_error) + if (!bio->bi_status) copy_to_high_bio_irq(bio_orig, bio); bounce_end_io(bio, pool); diff --git a/block/t10-pi.c b/block/t10-pi.c index 680c6d636298..350b3cbcf9e5 100644 --- a/block/t10-pi.c +++ b/block/t10-pi.c @@ -46,8 +46,8 @@ static __be16 t10_pi_ip_fn(void *data, unsigned int len) * 16 bit app tag, 32 bit reference tag. Type 3 does not define the ref * tag. */ -static int t10_pi_generate(struct blk_integrity_iter *iter, csum_fn *fn, - unsigned int type) +static blk_status_t t10_pi_generate(struct blk_integrity_iter *iter, + csum_fn *fn, unsigned int type) { unsigned int i; @@ -67,11 +67,11 @@ static int t10_pi_generate(struct blk_integrity_iter *iter, csum_fn *fn, iter->seed++; } - return 0; + return BLK_STS_OK; } -static int t10_pi_verify(struct blk_integrity_iter *iter, csum_fn *fn, - unsigned int type) +static blk_status_t t10_pi_verify(struct blk_integrity_iter *iter, + csum_fn *fn, unsigned int type) { unsigned int i; @@ -108,7 +108,7 @@ static int t10_pi_verify(struct blk_integrity_iter *iter, csum_fn *fn, "(rcvd %04x, want %04x)\n", iter->disk_name, (unsigned long long)iter->seed, be16_to_cpu(pi->guard_tag), be16_to_cpu(csum)); - return -EILSEQ; + return BLK_STS_PROTECTION; } next: @@ -117,45 +117,45 @@ next: iter->seed++; } - return 0; + return BLK_STS_OK; } -static int t10_pi_type1_generate_crc(struct blk_integrity_iter *iter) +static blk_status_t t10_pi_type1_generate_crc(struct blk_integrity_iter *iter) { return t10_pi_generate(iter, t10_pi_crc_fn, 1); } -static int t10_pi_type1_generate_ip(struct blk_integrity_iter *iter) +static blk_status_t t10_pi_type1_generate_ip(struct blk_integrity_iter *iter) { return t10_pi_generate(iter, t10_pi_ip_fn, 1); } -static int t10_pi_type1_verify_crc(struct blk_integrity_iter *iter) +static blk_status_t t10_pi_type1_verify_crc(struct blk_integrity_iter *iter) { return t10_pi_verify(iter, t10_pi_crc_fn, 1); } -static int t10_pi_type1_verify_ip(struct blk_integrity_iter *iter) +static blk_status_t t10_pi_type1_verify_ip(struct blk_integrity_iter *iter) { return t10_pi_verify(iter, t10_pi_ip_fn, 1); } -static int t10_pi_type3_generate_crc(struct blk_integrity_iter *iter) +static blk_status_t t10_pi_type3_generate_crc(struct blk_integrity_iter *iter) { return t10_pi_generate(iter, t10_pi_crc_fn, 3); } -static int t10_pi_type3_generate_ip(struct blk_integrity_iter *iter) +static blk_status_t t10_pi_type3_generate_ip(struct blk_integrity_iter *iter) { return t10_pi_generate(iter, t10_pi_ip_fn, 3); } -static int t10_pi_type3_verify_crc(struct blk_integrity_iter *iter) +static blk_status_t t10_pi_type3_verify_crc(struct blk_integrity_iter *iter) { return t10_pi_verify(iter, t10_pi_crc_fn, 3); } -static int t10_pi_type3_verify_ip(struct blk_integrity_iter *iter) +static blk_status_t t10_pi_type3_verify_ip(struct blk_integrity_iter *iter) { return t10_pi_verify(iter, t10_pi_ip_fn, 3); } diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 5bf0c9d21fc1..dc43254e05a4 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -1070,7 +1070,7 @@ aoe_end_request(struct aoedev *d, struct request *rq, int fastfail) d->ip.rq = NULL; do { bio = rq->bio; - bok = !fastfail && !bio->bi_error; + bok = !fastfail && !bio->bi_status; } while (__blk_end_request(rq, bok ? BLK_STS_OK : BLK_STS_IOERR, bio->bi_iter.bi_size)); /* cf. http://lkml.org/lkml/2006/10/31/28 */ @@ -1131,7 +1131,7 @@ ktiocomplete(struct frame *f) ahout->cmdstat, ahin->cmdstat, d->aoemajor, d->aoeminor); noskb: if (buf) - buf->bio->bi_error = -EIO; + buf->bio->bi_status = BLK_STS_IOERR; goto out; } @@ -1144,7 +1144,7 @@ noskb: if (buf) "aoe: runt data size in read from", (long) d->aoemajor, d->aoeminor, skb->len, n); - buf->bio->bi_error = -EIO; + buf->bio->bi_status = BLK_STS_IOERR; break; } if (n > f->iter.bi_size) { @@ -1152,7 +1152,7 @@ noskb: if (buf) "aoe: too-large data size in read from", (long) d->aoemajor, d->aoeminor, n, f->iter.bi_size); - buf->bio->bi_error = -EIO; + buf->bio->bi_status = BLK_STS_IOERR; break; } bvcpy(skb, f->buf->bio, f->iter, n); @@ -1654,7 +1654,7 @@ aoe_failbuf(struct aoedev *d, struct buf *buf) if (buf == NULL) return; buf->iter.bi_size = 0; - buf->bio->bi_error = -EIO; + buf->bio->bi_status = BLK_STS_IOERR; if (buf->nframesout == 0) aoe_end_buf(d, buf); } diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c index ffd1947500c6..b28fefb90391 100644 --- a/drivers/block/aoe/aoedev.c +++ b/drivers/block/aoe/aoedev.c @@ -170,7 +170,7 @@ aoe_failip(struct aoedev *d) if (rq == NULL) return; while ((bio = d->ip.nxbio)) { - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; d->ip.nxbio = bio->bi_next; n = (unsigned long) rq->special; rq->special = (void *) --n; diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index 8d7bcfa49c12..e02c45cd3c5a 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -178,7 +178,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, else submit_bio(bio); wait_until_done_or_force_detached(device, bdev, &device->md_io.done); - if (!bio->bi_error) + if (!bio->bi_status) err = device->md_io.error; out: diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index a804a4107fbc..809fd245c3dc 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -959,16 +959,16 @@ static void drbd_bm_endio(struct bio *bio) !bm_test_page_unchanged(b->bm_pages[idx])) drbd_warn(device, "bitmap page idx %u changed during IO!\n", idx); - if (bio->bi_error) { + if (bio->bi_status) { /* ctx error will hold the completed-last non-zero error code, * in case error codes differ. */ - ctx->error = bio->bi_error; + ctx->error = blk_status_to_errno(bio->bi_status); bm_set_page_io_err(b->bm_pages[idx]); /* Not identical to on disk version of it. * Is BM_PAGE_IO_ERROR enough? */ if (__ratelimit(&drbd_ratelimit_state)) drbd_err(device, "IO ERROR %d on bitmap page idx %u\n", - bio->bi_error, idx); + bio->bi_status, idx); } else { bm_clear_page_io_err(b->bm_pages[idx]); dynamic_drbd_dbg(device, "bitmap page idx %u completed\n", idx); diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index d5da45bb03a6..76761b4ca13e 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1627,7 +1627,7 @@ static inline void drbd_generic_make_request(struct drbd_device *device, __release(local); if (!bio->bi_bdev) { drbd_err(device, "drbd_generic_make_request: bio->bi_bdev == NULL\n"); - bio->bi_error = -ENODEV; + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); return; } diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 1b0a2be24f39..c7e95e6380fb 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1229,9 +1229,9 @@ void one_flush_endio(struct bio *bio) struct drbd_device *device = octx->device; struct issue_flush_context *ctx = octx->ctx; - if (bio->bi_error) { - ctx->error = bio->bi_error; - drbd_info(device, "local disk FLUSH FAILED with status %d\n", bio->bi_error); + if (bio->bi_status) { + ctx->error = blk_status_to_errno(bio->bi_status); + drbd_info(device, "local disk FLUSH FAILED with status %d\n", bio->bi_status); } kfree(octx); bio_put(bio); diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 656624314f0d..fca6b9914948 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -203,7 +203,7 @@ void start_new_tl_epoch(struct drbd_connection *connection) void complete_master_bio(struct drbd_device *device, struct bio_and_error *m) { - m->bio->bi_error = m->error; + m->bio->bi_status = errno_to_blk_status(m->error); bio_endio(m->bio); dec_ap_bio(device); } @@ -1157,7 +1157,7 @@ static void drbd_process_discard_req(struct drbd_request *req) if (blkdev_issue_zeroout(bdev, req->i.sector, req->i.size >> 9, GFP_NOIO, 0)) - req->private_bio->bi_error = -EIO; + req->private_bio->bi_status = BLK_STS_IOERR; bio_endio(req->private_bio); } @@ -1225,7 +1225,7 @@ drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long /* only pass the error to the upper layers. * if user cannot handle io errors, that's not our business. */ drbd_err(device, "could not kmalloc() req\n"); - bio->bi_error = -ENOMEM; + bio->bi_status = BLK_STS_RESOURCE; bio_endio(bio); return ERR_PTR(-ENOMEM); } diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 1afcb4e02d8d..1d8726a8df34 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -63,7 +63,7 @@ void drbd_md_endio(struct bio *bio) struct drbd_device *device; device = bio->bi_private; - device->md_io.error = bio->bi_error; + device->md_io.error = blk_status_to_errno(bio->bi_status); /* We grabbed an extra reference in _drbd_md_sync_page_io() to be able * to timeout on the lower level device, and eventually detach from it. @@ -177,13 +177,13 @@ void drbd_peer_request_endio(struct bio *bio) bool is_discard = bio_op(bio) == REQ_OP_WRITE_ZEROES || bio_op(bio) == REQ_OP_DISCARD; - if (bio->bi_error && __ratelimit(&drbd_ratelimit_state)) + if (bio->bi_status && __ratelimit(&drbd_ratelimit_state)) drbd_warn(device, "%s: error=%d s=%llus\n", is_write ? (is_discard ? "discard" : "write") - : "read", bio->bi_error, + : "read", bio->bi_status, (unsigned long long)peer_req->i.sector); - if (bio->bi_error) + if (bio->bi_status) set_bit(__EE_WAS_ERROR, &peer_req->flags); bio_put(bio); /* no need for the bio anymore */ @@ -243,16 +243,16 @@ void drbd_request_endio(struct bio *bio) if (__ratelimit(&drbd_ratelimit_state)) drbd_emerg(device, "delayed completion of aborted local request; disk-timeout may be too aggressive\n"); - if (!bio->bi_error) + if (!bio->bi_status) drbd_panic_after_delayed_completion_of_aborted_request(device); } /* to avoid recursion in __req_mod */ - if (unlikely(bio->bi_error)) { + if (unlikely(bio->bi_status)) { switch (bio_op(bio)) { case REQ_OP_WRITE_ZEROES: case REQ_OP_DISCARD: - if (bio->bi_error == -EOPNOTSUPP) + if (bio->bi_status == BLK_STS_NOTSUPP) what = DISCARD_COMPLETED_NOTSUPP; else what = DISCARD_COMPLETED_WITH_ERROR; @@ -272,7 +272,7 @@ void drbd_request_endio(struct bio *bio) } bio_put(req->private_bio); - req->private_bio = ERR_PTR(bio->bi_error); + req->private_bio = ERR_PTR(blk_status_to_errno(bio->bi_status)); /* not req_mod(), we need irqsave here! */ spin_lock_irqsave(&device->resource->req_lock, flags); diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index cc75a5176057..9e3cb32e365d 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3780,9 +3780,9 @@ static void floppy_rb0_cb(struct bio *bio) struct rb0_cbdata *cbdata = (struct rb0_cbdata *)bio->bi_private; int drive = cbdata->drive; - if (bio->bi_error) { + if (bio->bi_status) { pr_info("floppy: error %d while reading block 0\n", - bio->bi_error); + bio->bi_status); set_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags); } complete(&cbdata->complete); diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 42e3c880a8a5..e8a381161db6 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -952,9 +952,9 @@ static void pkt_end_io_read(struct bio *bio) pkt_dbg(2, pd, "bio=%p sec0=%llx sec=%llx err=%d\n", bio, (unsigned long long)pkt->sector, - (unsigned long long)bio->bi_iter.bi_sector, bio->bi_error); + (unsigned long long)bio->bi_iter.bi_sector, bio->bi_status); - if (bio->bi_error) + if (bio->bi_status) atomic_inc(&pkt->io_errors); if (atomic_dec_and_test(&pkt->io_wait)) { atomic_inc(&pkt->run_sm); @@ -969,7 +969,7 @@ static void pkt_end_io_packet_write(struct bio *bio) struct pktcdvd_device *pd = pkt->pd; BUG_ON(!pd); - pkt_dbg(2, pd, "id=%d, err=%d\n", pkt->id, bio->bi_error); + pkt_dbg(2, pd, "id=%d, err=%d\n", pkt->id, bio->bi_status); pd->stats.pkt_ended++; @@ -1305,16 +1305,16 @@ static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt) pkt_queue_bio(pd, pkt->w_bio); } -static void pkt_finish_packet(struct packet_data *pkt, int error) +static void pkt_finish_packet(struct packet_data *pkt, blk_status_t status) { struct bio *bio; - if (error) + if (status) pkt->cache_valid = 0; /* Finish all bios corresponding to this packet */ while ((bio = bio_list_pop(&pkt->orig_bios))) { - bio->bi_error = error; + bio->bi_status = status; bio_endio(bio); } } @@ -1349,7 +1349,7 @@ static void pkt_run_state_machine(struct pktcdvd_device *pd, struct packet_data if (atomic_read(&pkt->io_wait) > 0) return; - if (!pkt->w_bio->bi_error) { + if (!pkt->w_bio->bi_status) { pkt_set_state(pkt, PACKET_FINISHED_STATE); } else { pkt_set_state(pkt, PACKET_RECOVERY_STATE); @@ -1366,7 +1366,7 @@ static void pkt_run_state_machine(struct pktcdvd_device *pd, struct packet_data break; case PACKET_FINISHED_STATE: - pkt_finish_packet(pkt, pkt->w_bio->bi_error); + pkt_finish_packet(pkt, pkt->w_bio->bi_status); return; default: @@ -2301,7 +2301,7 @@ static void pkt_end_io_read_cloned(struct bio *bio) struct packet_stacked_data *psd = bio->bi_private; struct pktcdvd_device *pd = psd->pd; - psd->bio->bi_error = bio->bi_error; + psd->bio->bi_status = bio->bi_status; bio_put(bio); bio_endio(psd->bio); mempool_free(psd, psd_pool); diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c index 456b4fe21559..6fa2b8197013 100644 --- a/drivers/block/ps3vram.c +++ b/drivers/block/ps3vram.c @@ -428,7 +428,7 @@ static void ps3vram_cache_cleanup(struct ps3_system_bus_device *dev) kfree(priv->cache.tags); } -static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from, +static blk_status_t ps3vram_read(struct ps3_system_bus_device *dev, loff_t from, size_t len, size_t *retlen, u_char *buf) { struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev); @@ -438,7 +438,7 @@ static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from, (unsigned int)from, len); if (from >= priv->size) - return -EIO; + return BLK_STS_IOERR; if (len > priv->size - from) len = priv->size - from; @@ -472,14 +472,14 @@ static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from, return 0; } -static int ps3vram_write(struct ps3_system_bus_device *dev, loff_t to, +static blk_status_t ps3vram_write(struct ps3_system_bus_device *dev, loff_t to, size_t len, size_t *retlen, const u_char *buf) { struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev); unsigned int cached, count; if (to >= priv->size) - return -EIO; + return BLK_STS_IOERR; if (len > priv->size - to) len = priv->size - to; @@ -554,7 +554,7 @@ static struct bio *ps3vram_do_bio(struct ps3_system_bus_device *dev, int write = bio_data_dir(bio) == WRITE; const char *op = write ? "write" : "read"; loff_t offset = bio->bi_iter.bi_sector << 9; - int error = 0; + blk_status_t error = 0; struct bio_vec bvec; struct bvec_iter iter; struct bio *next; @@ -578,7 +578,7 @@ static struct bio *ps3vram_do_bio(struct ps3_system_bus_device *dev, if (retlen != len) { dev_err(&dev->core, "Short %s\n", op); - error = -EIO; + error = BLK_STS_IOERR; goto out; } @@ -593,7 +593,7 @@ out: next = bio_list_peek(&priv->list); spin_unlock_irq(&priv->lock); - bio->bi_error = error; + bio->bi_status = error; bio_endio(bio); return next; } diff --git a/drivers/block/rsxx/dev.c b/drivers/block/rsxx/dev.c index 9c566364ac9c..0b0a0a902355 100644 --- a/drivers/block/rsxx/dev.c +++ b/drivers/block/rsxx/dev.c @@ -149,7 +149,7 @@ static blk_qc_t rsxx_make_request(struct request_queue *q, struct bio *bio) { struct rsxx_cardinfo *card = q->queuedata; struct rsxx_bio_meta *bio_meta; - int st = -EINVAL; + blk_status_t st = BLK_STS_IOERR; blk_queue_split(q, &bio, q->bio_split); @@ -161,15 +161,11 @@ static blk_qc_t rsxx_make_request(struct request_queue *q, struct bio *bio) if (bio_end_sector(bio) > get_capacity(card->gendisk)) goto req_err; - if (unlikely(card->halt)) { - st = -EFAULT; + if (unlikely(card->halt)) goto req_err; - } - if (unlikely(card->dma_fault)) { - st = (-EFAULT); + if (unlikely(card->dma_fault)) goto req_err; - } if (bio->bi_iter.bi_size == 0) { dev_err(CARD_TO_DEV(card), "size zero BIO!\n"); @@ -178,7 +174,7 @@ static blk_qc_t rsxx_make_request(struct request_queue *q, struct bio *bio) bio_meta = kmem_cache_alloc(bio_meta_pool, GFP_KERNEL); if (!bio_meta) { - st = -ENOMEM; + st = BLK_STS_RESOURCE; goto req_err; } @@ -205,7 +201,7 @@ queue_err: kmem_cache_free(bio_meta_pool, bio_meta); req_err: if (st) - bio->bi_error = st; + bio->bi_status = st; bio_endio(bio); return BLK_QC_T_NONE; } diff --git a/drivers/block/rsxx/dma.c b/drivers/block/rsxx/dma.c index 5a20385f87d0..6a1b2177951c 100644 --- a/drivers/block/rsxx/dma.c +++ b/drivers/block/rsxx/dma.c @@ -611,7 +611,7 @@ static void rsxx_schedule_done(struct work_struct *work) mutex_unlock(&ctrl->work_lock); } -static int rsxx_queue_discard(struct rsxx_cardinfo *card, +static blk_status_t rsxx_queue_discard(struct rsxx_cardinfo *card, struct list_head *q, unsigned int laddr, rsxx_dma_cb cb, @@ -621,7 +621,7 @@ static int rsxx_queue_discard(struct rsxx_cardinfo *card, dma = kmem_cache_alloc(rsxx_dma_pool, GFP_KERNEL); if (!dma) - return -ENOMEM; + return BLK_STS_RESOURCE; dma->cmd = HW_CMD_BLK_DISCARD; dma->laddr = laddr; @@ -640,7 +640,7 @@ static int rsxx_queue_discard(struct rsxx_cardinfo *card, return 0; } -static int rsxx_queue_dma(struct rsxx_cardinfo *card, +static blk_status_t rsxx_queue_dma(struct rsxx_cardinfo *card, struct list_head *q, int dir, unsigned int dma_off, @@ -655,7 +655,7 @@ static int rsxx_queue_dma(struct rsxx_cardinfo *card, dma = kmem_cache_alloc(rsxx_dma_pool, GFP_KERNEL); if (!dma) - return -ENOMEM; + return BLK_STS_RESOURCE; dma->cmd = dir ? HW_CMD_BLK_WRITE : HW_CMD_BLK_READ; dma->laddr = laddr; @@ -677,7 +677,7 @@ static int rsxx_queue_dma(struct rsxx_cardinfo *card, return 0; } -int rsxx_dma_queue_bio(struct rsxx_cardinfo *card, +blk_status_t rsxx_dma_queue_bio(struct rsxx_cardinfo *card, struct bio *bio, atomic_t *n_dmas, rsxx_dma_cb cb, @@ -694,7 +694,7 @@ int rsxx_dma_queue_bio(struct rsxx_cardinfo *card, unsigned int dma_len; int dma_cnt[RSXX_MAX_TARGETS]; int tgt; - int st; + blk_status_t st; int i; addr8 = bio->bi_iter.bi_sector << 9; /* sectors are 512 bytes */ @@ -769,7 +769,6 @@ bvec_err: for (i = 0; i < card->n_targets; i++) rsxx_cleanup_dma_queue(&card->ctrl[i], &dma_list[i], FREE_DMA); - return st; } diff --git a/drivers/block/rsxx/rsxx_priv.h b/drivers/block/rsxx/rsxx_priv.h index 6bbc64d0f690..277f27e673a2 100644 --- a/drivers/block/rsxx/rsxx_priv.h +++ b/drivers/block/rsxx/rsxx_priv.h @@ -391,7 +391,7 @@ int rsxx_dma_cancel(struct rsxx_dma_ctrl *ctrl); void rsxx_dma_cleanup(void); void rsxx_dma_queue_reset(struct rsxx_cardinfo *card); int rsxx_dma_configure(struct rsxx_cardinfo *card); -int rsxx_dma_queue_bio(struct rsxx_cardinfo *card, +blk_status_t rsxx_dma_queue_bio(struct rsxx_cardinfo *card, struct bio *bio, atomic_t *n_dmas, rsxx_dma_cb cb, diff --git a/drivers/block/umem.c b/drivers/block/umem.c index c141cc3be22b..4b3c947697b1 100644 --- a/drivers/block/umem.c +++ b/drivers/block/umem.c @@ -454,7 +454,7 @@ static void process_page(unsigned long data) PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE); if (control & DMASCR_HARD_ERROR) { /* error */ - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; dev_printk(KERN_WARNING, &card->dev->dev, "I/O error on sector %d/%d\n", le32_to_cpu(desc->local_addr)>>9, diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 726c32e35db9..746bd8c8c09a 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -1069,20 +1069,17 @@ static void xen_blk_drain_io(struct xen_blkif_ring *ring) atomic_set(&blkif->drain, 0); } -/* - * Completion callback on the bio's. Called as bh->b_end_io() - */ - -static void __end_block_io_op(struct pending_req *pending_req, int error) +static void __end_block_io_op(struct pending_req *pending_req, + blk_status_t error) { /* An error fails the entire request. */ - if ((pending_req->operation == BLKIF_OP_FLUSH_DISKCACHE) && - (error == -EOPNOTSUPP)) { + if (pending_req->operation == BLKIF_OP_FLUSH_DISKCACHE && + error == BLK_STS_NOTSUPP) { pr_debug("flush diskcache op failed, not supported\n"); xen_blkbk_flush_diskcache(XBT_NIL, pending_req->ring->blkif->be, 0); pending_req->status = BLKIF_RSP_EOPNOTSUPP; - } else if ((pending_req->operation == BLKIF_OP_WRITE_BARRIER) && - (error == -EOPNOTSUPP)) { + } else if (pending_req->operation == BLKIF_OP_WRITE_BARRIER && + error == BLK_STS_NOTSUPP) { pr_debug("write barrier op failed, not supported\n"); xen_blkbk_barrier(XBT_NIL, pending_req->ring->blkif->be, 0); pending_req->status = BLKIF_RSP_EOPNOTSUPP; @@ -1106,7 +1103,7 @@ static void __end_block_io_op(struct pending_req *pending_req, int error) */ static void end_block_io_op(struct bio *bio) { - __end_block_io_op(bio->bi_private, bio->bi_error); + __end_block_io_op(bio->bi_private, bio->bi_status); bio_put(bio); } @@ -1423,7 +1420,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, for (i = 0; i < nbio; i++) bio_put(biolist[i]); atomic_set(&pending_req->pendcnt, 1); - __end_block_io_op(pending_req, -EINVAL); + __end_block_io_op(pending_req, BLK_STS_RESOURCE); msleep(1); /* back off a bit */ return -EIO; } diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 2f468cf86dcf..e3be666c2776 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -2006,7 +2006,7 @@ static void split_bio_end(struct bio *bio) if (atomic_dec_and_test(&split_bio->pending)) { split_bio->bio->bi_phys_segments = 0; - split_bio->bio->bi_error = bio->bi_error; + split_bio->bio->bi_status = bio->bi_status; bio_endio(split_bio->bio); kfree(split_bio); } diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c index 5e44768ccffa..4e0de995cd90 100644 --- a/drivers/lightnvm/pblk-core.c +++ b/drivers/lightnvm/pblk-core.c @@ -296,8 +296,8 @@ void pblk_flush_writer(struct pblk *pblk) pr_err("pblk: tear down bio failed\n"); } - if (bio->bi_error) - pr_err("pblk: flush sync write failed (%u)\n", bio->bi_error); + if (bio->bi_status) + pr_err("pblk: flush sync write failed (%u)\n", bio->bi_status); bio_put(bio); } diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c index 4a12f14d78c6..762c0b73cb67 100644 --- a/drivers/lightnvm/pblk-read.c +++ b/drivers/lightnvm/pblk-read.c @@ -114,7 +114,7 @@ static void pblk_end_io_read(struct nvm_rq *rqd) pblk_log_read_err(pblk, rqd); #ifdef CONFIG_NVM_DEBUG else - WARN_ONCE(bio->bi_error, "pblk: corrupted read error\n"); + WARN_ONCE(bio->bi_status, "pblk: corrupted read error\n"); #endif if (rqd->nr_ppas > 1) @@ -123,7 +123,7 @@ static void pblk_end_io_read(struct nvm_rq *rqd) bio_put(bio); if (r_ctx->orig_bio) { #ifdef CONFIG_NVM_DEBUG - WARN_ONCE(r_ctx->orig_bio->bi_error, + WARN_ONCE(r_ctx->orig_bio->bi_status, "pblk: corrupted read bio\n"); #endif bio_endio(r_ctx->orig_bio); diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c index aef6fd7c4a0c..79b90d8dbcb3 100644 --- a/drivers/lightnvm/pblk-write.c +++ b/drivers/lightnvm/pblk-write.c @@ -186,7 +186,7 @@ static void pblk_end_io_write(struct nvm_rq *rqd) } #ifdef CONFIG_NVM_DEBUG else - WARN_ONCE(rqd->bio->bi_error, "pblk: corrupted write error\n"); + WARN_ONCE(rqd->bio->bi_status, "pblk: corrupted write error\n"); #endif pblk_complete_write(pblk, rqd, c_ctx); diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index cf0e28a0ff61..8d3b53bb3307 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -279,8 +279,8 @@ static void rrpc_end_sync_bio(struct bio *bio) { struct completion *waiting = bio->bi_private; - if (bio->bi_error) - pr_err("nvm: gc request failed (%u).\n", bio->bi_error); + if (bio->bi_status) + pr_err("nvm: gc request failed (%u).\n", bio->bi_status); complete(waiting); } @@ -359,7 +359,7 @@ try: goto finished; } wait_for_completion_io(&wait); - if (bio->bi_error) { + if (bio->bi_status) { rrpc_inflight_laddr_release(rrpc, rqd); goto finished; } @@ -385,7 +385,7 @@ try: wait_for_completion_io(&wait); rrpc_inflight_laddr_release(rrpc, rqd); - if (bio->bi_error) + if (bio->bi_status) goto finished; bio_reset(bio); diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index c3ea03c9a1a8..dee542fff68e 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -849,10 +849,11 @@ static inline void wake_up_allocators(struct cache_set *c) /* Forward declarations */ -void bch_count_io_errors(struct cache *, int, const char *); +void bch_count_io_errors(struct cache *, blk_status_t, const char *); void bch_bbio_count_io_errors(struct cache_set *, struct bio *, - int, const char *); -void bch_bbio_endio(struct cache_set *, struct bio *, int, const char *); + blk_status_t, const char *); +void bch_bbio_endio(struct cache_set *, struct bio *, blk_status_t, + const char *); void bch_bbio_free(struct bio *, struct cache_set *); struct bio *bch_bbio_alloc(struct cache_set *); diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 450d0e848ae4..866dcf78ff8e 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -307,7 +307,7 @@ static void bch_btree_node_read(struct btree *b) bch_submit_bbio(bio, b->c, &b->key, 0); closure_sync(&cl); - if (bio->bi_error) + if (bio->bi_status) set_btree_node_io_error(b); bch_bbio_free(bio, b->c); @@ -374,10 +374,10 @@ static void btree_node_write_endio(struct bio *bio) struct closure *cl = bio->bi_private; struct btree *b = container_of(cl, struct btree, io); - if (bio->bi_error) + if (bio->bi_status) set_btree_node_io_error(b); - bch_bbio_count_io_errors(b->c, bio, bio->bi_error, "writing btree"); + bch_bbio_count_io_errors(b->c, bio, bio->bi_status, "writing btree"); closure_put(cl); } diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c index db45a88c0ce9..6a9b85095e7b 100644 --- a/drivers/md/bcache/io.c +++ b/drivers/md/bcache/io.c @@ -50,7 +50,7 @@ void bch_submit_bbio(struct bio *bio, struct cache_set *c, /* IO errors */ -void bch_count_io_errors(struct cache *ca, int error, const char *m) +void bch_count_io_errors(struct cache *ca, blk_status_t error, const char *m) { /* * The halflife of an error is: @@ -103,7 +103,7 @@ void bch_count_io_errors(struct cache *ca, int error, const char *m) } void bch_bbio_count_io_errors(struct cache_set *c, struct bio *bio, - int error, const char *m) + blk_status_t error, const char *m) { struct bbio *b = container_of(bio, struct bbio, bio); struct cache *ca = PTR_CACHE(c, &b->key, 0); @@ -132,7 +132,7 @@ void bch_bbio_count_io_errors(struct cache_set *c, struct bio *bio, } void bch_bbio_endio(struct cache_set *c, struct bio *bio, - int error, const char *m) + blk_status_t error, const char *m) { struct closure *cl = bio->bi_private; diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index 1198e53d5670..0352d05e495c 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -549,7 +549,7 @@ static void journal_write_endio(struct bio *bio) { struct journal_write *w = bio->bi_private; - cache_set_err_on(bio->bi_error, w->c, "journal io error"); + cache_set_err_on(bio->bi_status, w->c, "journal io error"); closure_put(&w->c->journal.io); } diff --git a/drivers/md/bcache/movinggc.c b/drivers/md/bcache/movinggc.c index 13b8a907006d..f633b30c962e 100644 --- a/drivers/md/bcache/movinggc.c +++ b/drivers/md/bcache/movinggc.c @@ -63,14 +63,14 @@ static void read_moving_endio(struct bio *bio) struct moving_io *io = container_of(bio->bi_private, struct moving_io, cl); - if (bio->bi_error) - io->op.error = bio->bi_error; + if (bio->bi_status) + io->op.status = bio->bi_status; else if (!KEY_DIRTY(&b->key) && ptr_stale(io->op.c, &b->key, 0)) { - io->op.error = -EINTR; + io->op.status = BLK_STS_IOERR; } - bch_bbio_endio(io->op.c, bio, bio->bi_error, "reading data to move"); + bch_bbio_endio(io->op.c, bio, bio->bi_status, "reading data to move"); } static void moving_init(struct moving_io *io) @@ -92,7 +92,7 @@ static void write_moving(struct closure *cl) struct moving_io *io = container_of(cl, struct moving_io, cl); struct data_insert_op *op = &io->op; - if (!op->error) { + if (!op->status) { moving_init(io); io->bio.bio.bi_iter.bi_sector = KEY_START(&io->w->key); diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 709c9cc34369..019b3df9f1c6 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -81,7 +81,7 @@ static void bch_data_insert_keys(struct closure *cl) if (ret == -ESRCH) { op->replace_collision = true; } else if (ret) { - op->error = -ENOMEM; + op->status = BLK_STS_RESOURCE; op->insert_data_done = true; } @@ -178,17 +178,17 @@ static void bch_data_insert_endio(struct bio *bio) struct closure *cl = bio->bi_private; struct data_insert_op *op = container_of(cl, struct data_insert_op, cl); - if (bio->bi_error) { + if (bio->bi_status) { /* TODO: We could try to recover from this. */ if (op->writeback) - op->error = bio->bi_error; + op->status = bio->bi_status; else if (!op->replace) set_closure_fn(cl, bch_data_insert_error, op->wq); else set_closure_fn(cl, NULL, NULL); } - bch_bbio_endio(op->c, bio, bio->bi_error, "writing data to cache"); + bch_bbio_endio(op->c, bio, bio->bi_status, "writing data to cache"); } static void bch_data_insert_start(struct closure *cl) @@ -488,15 +488,15 @@ static void bch_cache_read_endio(struct bio *bio) * from the backing device. */ - if (bio->bi_error) - s->iop.error = bio->bi_error; + if (bio->bi_status) + s->iop.status = bio->bi_status; else if (!KEY_DIRTY(&b->key) && ptr_stale(s->iop.c, &b->key, 0)) { atomic_long_inc(&s->iop.c->cache_read_races); - s->iop.error = -EINTR; + s->iop.status = BLK_STS_IOERR; } - bch_bbio_endio(s->iop.c, bio, bio->bi_error, "reading from cache"); + bch_bbio_endio(s->iop.c, bio, bio->bi_status, "reading from cache"); } /* @@ -593,9 +593,9 @@ static void request_endio(struct bio *bio) { struct closure *cl = bio->bi_private; - if (bio->bi_error) { + if (bio->bi_status) { struct search *s = container_of(cl, struct search, cl); - s->iop.error = bio->bi_error; + s->iop.status = bio->bi_status; /* Only cache read errors are recoverable */ s->recoverable = false; } @@ -611,7 +611,7 @@ static void bio_complete(struct search *s) &s->d->disk->part0, s->start_time); trace_bcache_request_end(s->d, s->orig_bio); - s->orig_bio->bi_error = s->iop.error; + s->orig_bio->bi_status = s->iop.status; bio_endio(s->orig_bio); s->orig_bio = NULL; } @@ -664,7 +664,7 @@ static inline struct search *search_alloc(struct bio *bio, s->iop.inode = d->id; s->iop.write_point = hash_long((unsigned long) current, 16); s->iop.write_prio = 0; - s->iop.error = 0; + s->iop.status = 0; s->iop.flags = 0; s->iop.flush_journal = op_is_flush(bio->bi_opf); s->iop.wq = bcache_wq; @@ -707,7 +707,7 @@ static void cached_dev_read_error(struct closure *cl) /* Retry from the backing device: */ trace_bcache_read_retry(s->orig_bio); - s->iop.error = 0; + s->iop.status = 0; do_bio_hook(s, s->orig_bio); /* XXX: invalidate cache */ @@ -767,7 +767,7 @@ static void cached_dev_read_done_bh(struct closure *cl) !s->cache_miss, s->iop.bypass); trace_bcache_read(s->orig_bio, !s->cache_miss, s->iop.bypass); - if (s->iop.error) + if (s->iop.status) continue_at_nobarrier(cl, cached_dev_read_error, bcache_wq); else if (s->iop.bio || verify(dc, &s->bio.bio)) continue_at_nobarrier(cl, cached_dev_read_done, bcache_wq); diff --git a/drivers/md/bcache/request.h b/drivers/md/bcache/request.h index 1ff36875c2b3..7689176951ce 100644 --- a/drivers/md/bcache/request.h +++ b/drivers/md/bcache/request.h @@ -10,7 +10,7 @@ struct data_insert_op { unsigned inode; uint16_t write_point; uint16_t write_prio; - short error; + blk_status_t status; union { uint16_t flags; diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index e57353e39168..fbc4f5412dec 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -271,7 +271,7 @@ static void write_super_endio(struct bio *bio) { struct cache *ca = bio->bi_private; - bch_count_io_errors(ca, bio->bi_error, "writing superblock"); + bch_count_io_errors(ca, bio->bi_status, "writing superblock"); closure_put(&ca->set->sb_write); } @@ -321,7 +321,7 @@ static void uuid_endio(struct bio *bio) struct closure *cl = bio->bi_private; struct cache_set *c = container_of(cl, struct cache_set, uuid_write); - cache_set_err_on(bio->bi_error, c, "accessing uuids"); + cache_set_err_on(bio->bi_status, c, "accessing uuids"); bch_bbio_free(bio, c); closure_put(cl); } @@ -494,7 +494,7 @@ static void prio_endio(struct bio *bio) { struct cache *ca = bio->bi_private; - cache_set_err_on(bio->bi_error, ca->set, "accessing priorities"); + cache_set_err_on(bio->bi_status, ca->set, "accessing priorities"); bch_bbio_free(bio, ca->set); closure_put(&ca->prio); } diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index 6ac2e48b9235..42c66e76f05e 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -167,7 +167,7 @@ static void dirty_endio(struct bio *bio) struct keybuf_key *w = bio->bi_private; struct dirty_io *io = w->private; - if (bio->bi_error) + if (bio->bi_status) SET_KEY_DIRTY(&w->key, false); closure_put(&io->cl); @@ -195,7 +195,7 @@ static void read_dirty_endio(struct bio *bio) struct dirty_io *io = w->private; bch_count_io_errors(PTR_CACHE(io->dc->disk.c, &w->key, 0), - bio->bi_error, "reading dirty data from cache"); + bio->bi_status, "reading dirty data from cache"); dirty_endio(bio); } diff --git a/drivers/md/dm-bio-prison-v1.c b/drivers/md/dm-bio-prison-v1.c index ae7da2c30a57..82d27384d31f 100644 --- a/drivers/md/dm-bio-prison-v1.c +++ b/drivers/md/dm-bio-prison-v1.c @@ -229,7 +229,7 @@ void dm_cell_release_no_holder(struct dm_bio_prison *prison, EXPORT_SYMBOL_GPL(dm_cell_release_no_holder); void dm_cell_error(struct dm_bio_prison *prison, - struct dm_bio_prison_cell *cell, int error) + struct dm_bio_prison_cell *cell, blk_status_t error) { struct bio_list bios; struct bio *bio; @@ -238,7 +238,7 @@ void dm_cell_error(struct dm_bio_prison *prison, dm_cell_release(prison, cell, &bios); while ((bio = bio_list_pop(&bios))) { - bio->bi_error = error; + bio->bi_status = error; bio_endio(bio); } } diff --git a/drivers/md/dm-bio-prison-v1.h b/drivers/md/dm-bio-prison-v1.h index cddd4ac07e2c..cec52ac5e1ae 100644 --- a/drivers/md/dm-bio-prison-v1.h +++ b/drivers/md/dm-bio-prison-v1.h @@ -91,7 +91,7 @@ void dm_cell_release_no_holder(struct dm_bio_prison *prison, struct dm_bio_prison_cell *cell, struct bio_list *inmates); void dm_cell_error(struct dm_bio_prison *prison, - struct dm_bio_prison_cell *cell, int error); + struct dm_bio_prison_cell *cell, blk_status_t error); /* * Visits the cell and then releases. Guarantees no new inmates are diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index cd8139593ccd..0902d2fd1743 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -145,8 +145,8 @@ struct dm_buffer { enum data_mode data_mode; unsigned char list_mode; /* LIST_* */ unsigned hold_count; - int read_error; - int write_error; + blk_status_t read_error; + blk_status_t write_error; unsigned long state; unsigned long last_accessed; struct dm_bufio_client *c; @@ -555,7 +555,7 @@ static void dmio_complete(unsigned long error, void *context) { struct dm_buffer *b = context; - b->bio.bi_error = error ? -EIO : 0; + b->bio.bi_status = error ? BLK_STS_IOERR : 0; b->bio.bi_end_io(&b->bio); } @@ -588,7 +588,7 @@ static void use_dmio(struct dm_buffer *b, int rw, sector_t sector, r = dm_io(&io_req, 1, ®ion, NULL); if (r) { - b->bio.bi_error = r; + b->bio.bi_status = errno_to_blk_status(r); end_io(&b->bio); } } @@ -596,7 +596,7 @@ static void use_dmio(struct dm_buffer *b, int rw, sector_t sector, static void inline_endio(struct bio *bio) { bio_end_io_t *end_fn = bio->bi_private; - int error = bio->bi_error; + blk_status_t status = bio->bi_status; /* * Reset the bio to free any attached resources @@ -604,7 +604,7 @@ static void inline_endio(struct bio *bio) */ bio_reset(bio); - bio->bi_error = error; + bio->bi_status = status; end_fn(bio); } @@ -685,11 +685,12 @@ static void write_endio(struct bio *bio) { struct dm_buffer *b = container_of(bio, struct dm_buffer, bio); - b->write_error = bio->bi_error; - if (unlikely(bio->bi_error)) { + b->write_error = bio->bi_status; + if (unlikely(bio->bi_status)) { struct dm_bufio_client *c = b->c; - int error = bio->bi_error; - (void)cmpxchg(&c->async_write_error, 0, error); + + (void)cmpxchg(&c->async_write_error, 0, + blk_status_to_errno(bio->bi_status)); } BUG_ON(!test_bit(B_WRITING, &b->state)); @@ -1063,7 +1064,7 @@ static void read_endio(struct bio *bio) { struct dm_buffer *b = container_of(bio, struct dm_buffer, bio); - b->read_error = bio->bi_error; + b->read_error = bio->bi_status; BUG_ON(!test_bit(B_READING, &b->state)); @@ -1107,7 +1108,7 @@ static void *new_read(struct dm_bufio_client *c, sector_t block, wait_on_bit_io(&b->state, B_READING, TASK_UNINTERRUPTIBLE); if (b->read_error) { - int error = b->read_error; + int error = blk_status_to_errno(b->read_error); dm_bufio_release(b); @@ -1257,7 +1258,8 @@ EXPORT_SYMBOL_GPL(dm_bufio_write_dirty_buffers_async); */ int dm_bufio_write_dirty_buffers(struct dm_bufio_client *c) { - int a, f; + blk_status_t a; + int f; unsigned long buffers_processed = 0; struct dm_buffer *b, *tmp; diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index c48612e6d525..c5ea03fc7ee1 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -119,7 +119,7 @@ static void iot_io_end(struct io_tracker *iot, sector_t len) */ struct continuation { struct work_struct ws; - int input; + blk_status_t input; }; static inline void init_continuation(struct continuation *k, @@ -145,7 +145,7 @@ struct batcher { /* * The operation that everyone is waiting for. */ - int (*commit_op)(void *context); + blk_status_t (*commit_op)(void *context); void *commit_context; /* @@ -171,8 +171,7 @@ struct batcher { static void __commit(struct work_struct *_ws) { struct batcher *b = container_of(_ws, struct batcher, commit_work); - - int r; + blk_status_t r; unsigned long flags; struct list_head work_items; struct work_struct *ws, *tmp; @@ -205,7 +204,7 @@ static void __commit(struct work_struct *_ws) while ((bio = bio_list_pop(&bios))) { if (r) { - bio->bi_error = r; + bio->bi_status = r; bio_endio(bio); } else b->issue_op(bio, b->issue_context); @@ -213,7 +212,7 @@ static void __commit(struct work_struct *_ws) } static void batcher_init(struct batcher *b, - int (*commit_op)(void *), + blk_status_t (*commit_op)(void *), void *commit_context, void (*issue_op)(struct bio *bio, void *), void *issue_context, @@ -955,7 +954,7 @@ static void writethrough_endio(struct bio *bio) dm_unhook_bio(&pb->hook_info, bio); - if (bio->bi_error) { + if (bio->bi_status) { bio_endio(bio); return; } @@ -1220,7 +1219,7 @@ static void copy_complete(int read_err, unsigned long write_err, void *context) struct dm_cache_migration *mg = container_of(context, struct dm_cache_migration, k); if (read_err || write_err) - mg->k.input = -EIO; + mg->k.input = BLK_STS_IOERR; queue_continuation(mg->cache->wq, &mg->k); } @@ -1266,8 +1265,8 @@ static void overwrite_endio(struct bio *bio) dm_unhook_bio(&pb->hook_info, bio); - if (bio->bi_error) - mg->k.input = bio->bi_error; + if (bio->bi_status) + mg->k.input = bio->bi_status; queue_continuation(mg->cache->wq, &mg->k); } @@ -1323,8 +1322,10 @@ static void mg_complete(struct dm_cache_migration *mg, bool success) if (mg->overwrite_bio) { if (success) force_set_dirty(cache, cblock); + else if (mg->k.input) + mg->overwrite_bio->bi_status = mg->k.input; else - mg->overwrite_bio->bi_error = (mg->k.input ? : -EIO); + mg->overwrite_bio->bi_status = BLK_STS_IOERR; bio_endio(mg->overwrite_bio); } else { if (success) @@ -1504,7 +1505,7 @@ static void mg_copy(struct work_struct *ws) r = copy(mg, is_policy_promote); if (r) { DMERR_LIMIT("%s: migration copy failed", cache_device_name(cache)); - mg->k.input = -EIO; + mg->k.input = BLK_STS_IOERR; mg_complete(mg, false); } } @@ -1907,12 +1908,12 @@ static int commit(struct cache *cache, bool clean_shutdown) /* * Used by the batcher. */ -static int commit_op(void *context) +static blk_status_t commit_op(void *context) { struct cache *cache = context; if (dm_cache_changed_this_transaction(cache->cmd)) - return commit(cache, false); + return errno_to_blk_status(commit(cache, false)); return 0; } @@ -2018,7 +2019,7 @@ static void requeue_deferred_bios(struct cache *cache) bio_list_init(&cache->deferred_bios); while ((bio = bio_list_pop(&bios))) { - bio->bi_error = DM_ENDIO_REQUEUE; + bio->bi_status = BLK_STS_DM_REQUEUE; bio_endio(bio); } } @@ -2820,7 +2821,8 @@ static int cache_map(struct dm_target *ti, struct bio *bio) return r; } -static int cache_end_io(struct dm_target *ti, struct bio *bio, int *error) +static int cache_end_io(struct dm_target *ti, struct bio *bio, + blk_status_t *error) { struct cache *cache = ti->private; unsigned long flags; diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index f4b51809db21..586cef085c6a 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -71,7 +71,7 @@ struct dm_crypt_io { struct convert_context ctx; atomic_t io_pending; - int error; + blk_status_t error; sector_t sector; struct rb_node rb_node; @@ -1292,7 +1292,7 @@ static void crypt_free_req(struct crypt_config *cc, void *req, struct bio *base_ /* * Encrypt / decrypt data from one bio to another one (can be the same one) */ -static int crypt_convert(struct crypt_config *cc, +static blk_status_t crypt_convert(struct crypt_config *cc, struct convert_context *ctx) { unsigned int tag_offset = 0; @@ -1343,13 +1343,13 @@ static int crypt_convert(struct crypt_config *cc, */ case -EBADMSG: atomic_dec(&ctx->cc_pending); - return -EILSEQ; + return BLK_STS_PROTECTION; /* * There was an error while processing the request. */ default: atomic_dec(&ctx->cc_pending); - return -EIO; + return BLK_STS_IOERR; } } @@ -1463,7 +1463,7 @@ static void crypt_dec_pending(struct dm_crypt_io *io) { struct crypt_config *cc = io->cc; struct bio *base_bio = io->base_bio; - int error = io->error; + blk_status_t error = io->error; if (!atomic_dec_and_test(&io->io_pending)) return; @@ -1476,7 +1476,7 @@ static void crypt_dec_pending(struct dm_crypt_io *io) else kfree(io->integrity_metadata); - base_bio->bi_error = error; + base_bio->bi_status = error; bio_endio(base_bio); } @@ -1502,7 +1502,7 @@ static void crypt_endio(struct bio *clone) struct dm_crypt_io *io = clone->bi_private; struct crypt_config *cc = io->cc; unsigned rw = bio_data_dir(clone); - int error; + blk_status_t error; /* * free the processed pages @@ -1510,7 +1510,7 @@ static void crypt_endio(struct bio *clone) if (rw == WRITE) crypt_free_buffer_pages(cc, clone); - error = clone->bi_error; + error = clone->bi_status; bio_put(clone); if (rw == READ && !error) { @@ -1570,7 +1570,7 @@ static void kcryptd_io_read_work(struct work_struct *work) crypt_inc_pending(io); if (kcryptd_io_read(io, GFP_NOIO)) - io->error = -ENOMEM; + io->error = BLK_STS_RESOURCE; crypt_dec_pending(io); } @@ -1656,7 +1656,7 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, int async) sector_t sector; struct rb_node **rbp, *parent; - if (unlikely(io->error < 0)) { + if (unlikely(io->error)) { crypt_free_buffer_pages(cc, clone); bio_put(clone); crypt_dec_pending(io); @@ -1697,7 +1697,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) struct bio *clone; int crypt_finished; sector_t sector = io->sector; - int r; + blk_status_t r; /* * Prevent io from disappearing until this function completes. @@ -1707,7 +1707,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) clone = crypt_alloc_buffer(io, io->base_bio->bi_iter.bi_size); if (unlikely(!clone)) { - io->error = -EIO; + io->error = BLK_STS_IOERR; goto dec; } @@ -1718,7 +1718,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) crypt_inc_pending(io); r = crypt_convert(cc, &io->ctx); - if (r < 0) + if (r) io->error = r; crypt_finished = atomic_dec_and_test(&io->ctx.cc_pending); @@ -1740,7 +1740,7 @@ static void kcryptd_crypt_read_done(struct dm_crypt_io *io) static void kcryptd_crypt_read_convert(struct dm_crypt_io *io) { struct crypt_config *cc = io->cc; - int r = 0; + blk_status_t r; crypt_inc_pending(io); @@ -1748,7 +1748,7 @@ static void kcryptd_crypt_read_convert(struct dm_crypt_io *io) io->sector); r = crypt_convert(cc, &io->ctx); - if (r < 0) + if (r) io->error = r; if (atomic_dec_and_test(&io->ctx.cc_pending)) @@ -1781,9 +1781,9 @@ static void kcryptd_async_done(struct crypto_async_request *async_req, if (error == -EBADMSG) { DMERR_LIMIT("INTEGRITY AEAD ERROR, sector %llu", (unsigned long long)le64_to_cpu(*org_sector_of_dmreq(cc, dmreq))); - io->error = -EILSEQ; + io->error = BLK_STS_PROTECTION; } else if (error < 0) - io->error = -EIO; + io->error = BLK_STS_IOERR; crypt_free_req(cc, req_of_dmreq(cc, dmreq), io->base_bio); diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c index c9539917a59b..3d04d5ce19d9 100644 --- a/drivers/md/dm-flakey.c +++ b/drivers/md/dm-flakey.c @@ -358,7 +358,8 @@ map_bio: return DM_MAPIO_REMAPPED; } -static int flakey_end_io(struct dm_target *ti, struct bio *bio, int *error) +static int flakey_end_io(struct dm_target *ti, struct bio *bio, + blk_status_t *error) { struct flakey_c *fc = ti->private; struct per_bio_data *pb = dm_per_bio_data(bio, sizeof(struct per_bio_data)); @@ -377,7 +378,7 @@ static int flakey_end_io(struct dm_target *ti, struct bio *bio, int *error) * Error read during the down_interval if drop_writes * and error_writes were not configured. */ - *error = -EIO; + *error = BLK_STS_IOERR; } } diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index ee78fb471229..ccc6ef4d00b9 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -246,7 +246,7 @@ struct dm_integrity_io { unsigned metadata_offset; atomic_t in_flight; - int bi_error; + blk_status_t bi_status; struct completion *completion; @@ -1114,8 +1114,8 @@ static void submit_flush_bio(struct dm_integrity_c *ic, struct dm_integrity_io * static void do_endio(struct dm_integrity_c *ic, struct bio *bio) { int r = dm_integrity_failed(ic); - if (unlikely(r) && !bio->bi_error) - bio->bi_error = r; + if (unlikely(r) && !bio->bi_status) + bio->bi_status = errno_to_blk_status(r); bio_endio(bio); } @@ -1123,7 +1123,7 @@ static void do_endio_flush(struct dm_integrity_c *ic, struct dm_integrity_io *di { struct bio *bio = dm_bio_from_per_bio_data(dio, sizeof(struct dm_integrity_io)); - if (unlikely(dio->fua) && likely(!bio->bi_error) && likely(!dm_integrity_failed(ic))) + if (unlikely(dio->fua) && likely(!bio->bi_status) && likely(!dm_integrity_failed(ic))) submit_flush_bio(ic, dio); else do_endio(ic, bio); @@ -1142,9 +1142,9 @@ static void dec_in_flight(struct dm_integrity_io *dio) bio = dm_bio_from_per_bio_data(dio, sizeof(struct dm_integrity_io)); - if (unlikely(dio->bi_error) && !bio->bi_error) - bio->bi_error = dio->bi_error; - if (likely(!bio->bi_error) && unlikely(bio_sectors(bio) != dio->range.n_sectors)) { + if (unlikely(dio->bi_status) && !bio->bi_status) + bio->bi_status = dio->bi_status; + if (likely(!bio->bi_status) && unlikely(bio_sectors(bio) != dio->range.n_sectors)) { dio->range.logical_sector += dio->range.n_sectors; bio_advance(bio, dio->range.n_sectors << SECTOR_SHIFT); INIT_WORK(&dio->work, integrity_bio_wait); @@ -1318,7 +1318,7 @@ skip_io: dec_in_flight(dio); return; error: - dio->bi_error = r; + dio->bi_status = errno_to_blk_status(r); dec_in_flight(dio); } @@ -1331,7 +1331,7 @@ static int dm_integrity_map(struct dm_target *ti, struct bio *bio) sector_t area, offset; dio->ic = ic; - dio->bi_error = 0; + dio->bi_status = 0; if (unlikely(bio->bi_opf & REQ_PREFLUSH)) { submit_flush_bio(ic, dio); diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 3702e502466d..c8f8f3004085 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -124,7 +124,7 @@ static void complete_io(struct io *io) fn(error_bits, context); } -static void dec_count(struct io *io, unsigned int region, int error) +static void dec_count(struct io *io, unsigned int region, blk_status_t error) { if (error) set_bit(region, &io->error_bits); @@ -137,9 +137,9 @@ static void endio(struct bio *bio) { struct io *io; unsigned region; - int error; + blk_status_t error; - if (bio->bi_error && bio_data_dir(bio) == READ) + if (bio->bi_status && bio_data_dir(bio) == READ) zero_fill_bio(bio); /* @@ -147,7 +147,7 @@ static void endio(struct bio *bio) */ retrieve_io_and_region_from_bio(bio, &io, ®ion); - error = bio->bi_error; + error = bio->bi_status; bio_put(bio); dec_count(io, region, error); @@ -319,7 +319,7 @@ static void do_region(int op, int op_flags, unsigned region, if ((op == REQ_OP_DISCARD || op == REQ_OP_WRITE_ZEROES || op == REQ_OP_WRITE_SAME) && special_cmd_max_sectors == 0) { - dec_count(io, region, -EOPNOTSUPP); + dec_count(io, region, BLK_STS_NOTSUPP); return; } diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index cc57c7fa1268..a1da0eb58a93 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -150,10 +150,10 @@ static void log_end_io(struct bio *bio) { struct log_writes_c *lc = bio->bi_private; - if (bio->bi_error) { + if (bio->bi_status) { unsigned long flags; - DMERR("Error writing log block, error=%d", bio->bi_error); + DMERR("Error writing log block, error=%d", bio->bi_status); spin_lock_irqsave(&lc->blocks_lock, flags); lc->logging_enabled = false; spin_unlock_irqrestore(&lc->blocks_lock, flags); @@ -664,7 +664,8 @@ map_bio: return DM_MAPIO_REMAPPED; } -static int normal_end_io(struct dm_target *ti, struct bio *bio, int *error) +static int normal_end_io(struct dm_target *ti, struct bio *bio, + blk_status_t *error) { struct log_writes_c *lc = ti->private; struct per_bio_data *pb = dm_per_bio_data(bio, sizeof(struct per_bio_data)); diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 39262e344ae1..a7d2e0840cc5 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -565,7 +565,7 @@ static int __multipath_map_bio(struct multipath *m, struct bio *bio, struct dm_m mpio->pgpath = pgpath; mpio->nr_bytes = nr_bytes; - bio->bi_error = 0; + bio->bi_status = 0; bio->bi_bdev = pgpath->path.dev->bdev; bio->bi_opf |= REQ_FAILFAST_TRANSPORT; @@ -623,10 +623,10 @@ static void process_queued_bios(struct work_struct *work) r = __multipath_map_bio(m, bio, get_mpio_from_bio(bio)); switch (r) { case DM_MAPIO_KILL: - r = -EIO; - /*FALLTHRU*/ + bio->bi_status = BLK_STS_IOERR; + bio_endio(bio); case DM_MAPIO_REQUEUE: - bio->bi_error = r; + bio->bi_status = BLK_STS_DM_REQUEUE; bio_endio(bio); break; case DM_MAPIO_REMAPPED: @@ -1510,7 +1510,8 @@ static int multipath_end_io(struct dm_target *ti, struct request *clone, return r; } -static int multipath_end_io_bio(struct dm_target *ti, struct bio *clone, int *error) +static int multipath_end_io_bio(struct dm_target *ti, struct bio *clone, + blk_status_t *error) { struct multipath *m = ti->private; struct dm_mpath_io *mpio = get_mpio_from_bio(clone); @@ -1518,7 +1519,7 @@ static int multipath_end_io_bio(struct dm_target *ti, struct bio *clone, int *er unsigned long flags; int r = DM_ENDIO_DONE; - if (!*error || noretry_error(errno_to_blk_status(*error))) + if (!*error || noretry_error(*error)) goto done; if (pgpath) @@ -1527,7 +1528,7 @@ static int multipath_end_io_bio(struct dm_target *ti, struct bio *clone, int *er if (atomic_read(&m->nr_valid_paths) == 0 && !test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags)) { dm_report_EIO(m); - *error = -EIO; + *error = BLK_STS_IOERR; goto done; } diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 77bcf50ce75f..0822e4a6f67d 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -490,9 +490,9 @@ static void hold_bio(struct mirror_set *ms, struct bio *bio) * If device is suspended, complete the bio. */ if (dm_noflush_suspending(ms->ti)) - bio->bi_error = DM_ENDIO_REQUEUE; + bio->bi_status = BLK_STS_DM_REQUEUE; else - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); return; @@ -626,7 +626,7 @@ static void write_callback(unsigned long error, void *context) * degrade the array. */ if (bio_op(bio) == REQ_OP_DISCARD) { - bio->bi_error = -EOPNOTSUPP; + bio->bi_status = BLK_STS_NOTSUPP; bio_endio(bio); return; } @@ -1236,7 +1236,8 @@ static int mirror_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_REMAPPED; } -static int mirror_end_io(struct dm_target *ti, struct bio *bio, int *error) +static int mirror_end_io(struct dm_target *ti, struct bio *bio, + blk_status_t *error) { int rw = bio_data_dir(bio); struct mirror_set *ms = (struct mirror_set *) ti->private; @@ -1255,7 +1256,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int *error) return DM_ENDIO_DONE; } - if (*error == -EOPNOTSUPP) + if (*error == BLK_STS_NOTSUPP) return DM_ENDIO_DONE; if (bio->bi_opf & REQ_RAHEAD) @@ -1277,7 +1278,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int *error) bd = &bio_record->details; dm_bio_restore(bd, bio); - bio->bi_error = 0; + bio->bi_status = 0; queue_bio(ms, bio, rw); return DM_ENDIO_INCOMPLETE; diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 63402f8a38de..fafd5326e572 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -119,7 +119,7 @@ static void end_clone_bio(struct bio *clone) struct dm_rq_target_io *tio = info->tio; struct bio *bio = info->orig; unsigned int nr_bytes = info->orig->bi_iter.bi_size; - blk_status_t error = errno_to_blk_status(clone->bi_error); + blk_status_t error = clone->bi_status; bio_put(clone); diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 79a845798e2f..1ba41048b438 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -1590,7 +1590,7 @@ static void full_bio_end_io(struct bio *bio) { void *callback_data = bio->bi_private; - dm_kcopyd_do_callback(callback_data, 0, bio->bi_error ? 1 : 0); + dm_kcopyd_do_callback(callback_data, 0, bio->bi_status ? 1 : 0); } static void start_full_bio(struct dm_snap_pending_exception *pe, @@ -1851,7 +1851,8 @@ out_unlock: return r; } -static int snapshot_end_io(struct dm_target *ti, struct bio *bio, int *error) +static int snapshot_end_io(struct dm_target *ti, struct bio *bio, + blk_status_t *error) { struct dm_snapshot *s = ti->private; diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index 49888bc2c909..11621a0af887 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -375,7 +375,8 @@ static void stripe_status(struct dm_target *ti, status_type_t type, } } -static int stripe_end_io(struct dm_target *ti, struct bio *bio, int *error) +static int stripe_end_io(struct dm_target *ti, struct bio *bio, + blk_status_t *error) { unsigned i; char major_minor[16]; @@ -387,7 +388,7 @@ static int stripe_end_io(struct dm_target *ti, struct bio *bio, int *error) if (bio->bi_opf & REQ_RAHEAD) return DM_ENDIO_DONE; - if (*error == -EOPNOTSUPP) + if (*error == BLK_STS_NOTSUPP) return DM_ENDIO_DONE; memset(major_minor, 0, sizeof(major_minor)); diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 22b1a64c44b7..3490b300cbff 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -383,8 +383,8 @@ static void end_discard(struct discard_op *op, int r) * Even if r is set, there could be sub discards in flight that we * need to wait for. */ - if (r && !op->parent_bio->bi_error) - op->parent_bio->bi_error = r; + if (r && !op->parent_bio->bi_status) + op->parent_bio->bi_status = errno_to_blk_status(r); bio_endio(op->parent_bio); } @@ -450,22 +450,20 @@ static void cell_release_no_holder(struct pool *pool, } static void cell_error_with_code(struct pool *pool, - struct dm_bio_prison_cell *cell, int error_code) + struct dm_bio_prison_cell *cell, blk_status_t error_code) { dm_cell_error(pool->prison, cell, error_code); dm_bio_prison_free_cell(pool->prison, cell); } -static int get_pool_io_error_code(struct pool *pool) +static blk_status_t get_pool_io_error_code(struct pool *pool) { - return pool->out_of_data_space ? -ENOSPC : -EIO; + return pool->out_of_data_space ? BLK_STS_NOSPC : BLK_STS_IOERR; } static void cell_error(struct pool *pool, struct dm_bio_prison_cell *cell) { - int error = get_pool_io_error_code(pool); - - cell_error_with_code(pool, cell, error); + cell_error_with_code(pool, cell, get_pool_io_error_code(pool)); } static void cell_success(struct pool *pool, struct dm_bio_prison_cell *cell) @@ -475,7 +473,7 @@ static void cell_success(struct pool *pool, struct dm_bio_prison_cell *cell) static void cell_requeue(struct pool *pool, struct dm_bio_prison_cell *cell) { - cell_error_with_code(pool, cell, DM_ENDIO_REQUEUE); + cell_error_with_code(pool, cell, BLK_STS_DM_REQUEUE); } /*----------------------------------------------------------------*/ @@ -555,17 +553,18 @@ static void __merge_bio_list(struct bio_list *bios, struct bio_list *master) bio_list_init(master); } -static void error_bio_list(struct bio_list *bios, int error) +static void error_bio_list(struct bio_list *bios, blk_status_t error) { struct bio *bio; while ((bio = bio_list_pop(bios))) { - bio->bi_error = error; + bio->bi_status = error; bio_endio(bio); } } -static void error_thin_bio_list(struct thin_c *tc, struct bio_list *master, int error) +static void error_thin_bio_list(struct thin_c *tc, struct bio_list *master, + blk_status_t error) { struct bio_list bios; unsigned long flags; @@ -608,11 +607,11 @@ static void requeue_io(struct thin_c *tc) __merge_bio_list(&bios, &tc->retry_on_resume_list); spin_unlock_irqrestore(&tc->lock, flags); - error_bio_list(&bios, DM_ENDIO_REQUEUE); + error_bio_list(&bios, BLK_STS_DM_REQUEUE); requeue_deferred_cells(tc); } -static void error_retry_list_with_code(struct pool *pool, int error) +static void error_retry_list_with_code(struct pool *pool, blk_status_t error) { struct thin_c *tc; @@ -624,9 +623,7 @@ static void error_retry_list_with_code(struct pool *pool, int error) static void error_retry_list(struct pool *pool) { - int error = get_pool_io_error_code(pool); - - error_retry_list_with_code(pool, error); + error_retry_list_with_code(pool, get_pool_io_error_code(pool)); } /* @@ -774,7 +771,7 @@ struct dm_thin_new_mapping { */ atomic_t prepare_actions; - int err; + blk_status_t status; struct thin_c *tc; dm_block_t virt_begin, virt_end; dm_block_t data_block; @@ -814,7 +811,7 @@ static void copy_complete(int read_err, unsigned long write_err, void *context) { struct dm_thin_new_mapping *m = context; - m->err = read_err || write_err ? -EIO : 0; + m->status = read_err || write_err ? BLK_STS_IOERR : 0; complete_mapping_preparation(m); } @@ -825,7 +822,7 @@ static void overwrite_endio(struct bio *bio) bio->bi_end_io = m->saved_bi_end_io; - m->err = bio->bi_error; + m->status = bio->bi_status; complete_mapping_preparation(m); } @@ -925,7 +922,7 @@ static void process_prepared_mapping(struct dm_thin_new_mapping *m) struct bio *bio = m->bio; int r; - if (m->err) { + if (m->status) { cell_error(pool, m->cell); goto out; } @@ -1495,7 +1492,7 @@ static void retry_on_resume(struct bio *bio) spin_unlock_irqrestore(&tc->lock, flags); } -static int should_error_unserviceable_bio(struct pool *pool) +static blk_status_t should_error_unserviceable_bio(struct pool *pool) { enum pool_mode m = get_pool_mode(pool); @@ -1503,27 +1500,27 @@ static int should_error_unserviceable_bio(struct pool *pool) case PM_WRITE: /* Shouldn't get here */ DMERR_LIMIT("bio unserviceable, yet pool is in PM_WRITE mode"); - return -EIO; + return BLK_STS_IOERR; case PM_OUT_OF_DATA_SPACE: - return pool->pf.error_if_no_space ? -ENOSPC : 0; + return pool->pf.error_if_no_space ? BLK_STS_NOSPC : 0; case PM_READ_ONLY: case PM_FAIL: - return -EIO; + return BLK_STS_IOERR; default: /* Shouldn't get here */ DMERR_LIMIT("bio unserviceable, yet pool has an unknown mode"); - return -EIO; + return BLK_STS_IOERR; } } static void handle_unserviceable_bio(struct pool *pool, struct bio *bio) { - int error = should_error_unserviceable_bio(pool); + blk_status_t error = should_error_unserviceable_bio(pool); if (error) { - bio->bi_error = error; + bio->bi_status = error; bio_endio(bio); } else retry_on_resume(bio); @@ -1533,7 +1530,7 @@ static void retry_bios_on_resume(struct pool *pool, struct dm_bio_prison_cell *c { struct bio *bio; struct bio_list bios; - int error; + blk_status_t error; error = should_error_unserviceable_bio(pool); if (error) { @@ -2071,7 +2068,8 @@ static void process_thin_deferred_bios(struct thin_c *tc) unsigned count = 0; if (tc->requeue_mode) { - error_thin_bio_list(tc, &tc->deferred_bio_list, DM_ENDIO_REQUEUE); + error_thin_bio_list(tc, &tc->deferred_bio_list, + BLK_STS_DM_REQUEUE); return; } @@ -2322,7 +2320,7 @@ static void do_no_space_timeout(struct work_struct *ws) if (get_pool_mode(pool) == PM_OUT_OF_DATA_SPACE && !pool->pf.error_if_no_space) { pool->pf.error_if_no_space = true; notify_of_pool_mode_change_to_oods(pool); - error_retry_list_with_code(pool, -ENOSPC); + error_retry_list_with_code(pool, BLK_STS_NOSPC); } } @@ -2624,7 +2622,7 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) thin_hook_bio(tc, bio); if (tc->requeue_mode) { - bio->bi_error = DM_ENDIO_REQUEUE; + bio->bi_status = BLK_STS_DM_REQUEUE; bio_endio(bio); return DM_MAPIO_SUBMITTED; } @@ -4177,7 +4175,8 @@ static int thin_map(struct dm_target *ti, struct bio *bio) return thin_bio_map(ti, bio); } -static int thin_endio(struct dm_target *ti, struct bio *bio, int *err) +static int thin_endio(struct dm_target *ti, struct bio *bio, + blk_status_t *err) { unsigned long flags; struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook)); diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c index 9ed55468b98b..2dca66eb67e1 100644 --- a/drivers/md/dm-verity-target.c +++ b/drivers/md/dm-verity-target.c @@ -538,13 +538,13 @@ static int verity_verify_io(struct dm_verity_io *io) /* * End one "io" structure with a given error. */ -static void verity_finish_io(struct dm_verity_io *io, int error) +static void verity_finish_io(struct dm_verity_io *io, blk_status_t status) { struct dm_verity *v = io->v; struct bio *bio = dm_bio_from_per_bio_data(io, v->ti->per_io_data_size); bio->bi_end_io = io->orig_bi_end_io; - bio->bi_error = error; + bio->bi_status = status; verity_fec_finish_io(io); @@ -555,15 +555,15 @@ static void verity_work(struct work_struct *w) { struct dm_verity_io *io = container_of(w, struct dm_verity_io, work); - verity_finish_io(io, verity_verify_io(io)); + verity_finish_io(io, errno_to_blk_status(verity_verify_io(io))); } static void verity_end_io(struct bio *bio) { struct dm_verity_io *io = bio->bi_private; - if (bio->bi_error && !verity_fec_is_enabled(io->v)) { - verity_finish_io(io, bio->bi_error); + if (bio->bi_status && !verity_fec_is_enabled(io->v)) { + verity_finish_io(io, bio->bi_status); return; } diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 7a7047211c64..f38f9dd5cbdd 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -63,7 +63,7 @@ static struct workqueue_struct *deferred_remove_workqueue; */ struct dm_io { struct mapped_device *md; - int error; + blk_status_t status; atomic_t io_count; struct bio *bio; unsigned long start_time; @@ -768,23 +768,24 @@ static int __noflush_suspending(struct mapped_device *md) * Decrements the number of outstanding ios that a bio has been * cloned into, completing the original io if necc. */ -static void dec_pending(struct dm_io *io, int error) +static void dec_pending(struct dm_io *io, blk_status_t error) { unsigned long flags; - int io_error; + blk_status_t io_error; struct bio *bio; struct mapped_device *md = io->md; /* Push-back supersedes any I/O errors */ if (unlikely(error)) { spin_lock_irqsave(&io->endio_lock, flags); - if (!(io->error > 0 && __noflush_suspending(md))) - io->error = error; + if (!(io->status == BLK_STS_DM_REQUEUE && + __noflush_suspending(md))) + io->status = error; spin_unlock_irqrestore(&io->endio_lock, flags); } if (atomic_dec_and_test(&io->io_count)) { - if (io->error == DM_ENDIO_REQUEUE) { + if (io->status == BLK_STS_DM_REQUEUE) { /* * Target requested pushing back the I/O. */ @@ -793,16 +794,16 @@ static void dec_pending(struct dm_io *io, int error) bio_list_add_head(&md->deferred, io->bio); else /* noflush suspend was interrupted. */ - io->error = -EIO; + io->status = BLK_STS_IOERR; spin_unlock_irqrestore(&md->deferred_lock, flags); } - io_error = io->error; + io_error = io->status; bio = io->bio; end_io_acct(io); free_io(md, io); - if (io_error == DM_ENDIO_REQUEUE) + if (io_error == BLK_STS_DM_REQUEUE) return; if ((bio->bi_opf & REQ_PREFLUSH) && bio->bi_iter.bi_size) { @@ -814,7 +815,7 @@ static void dec_pending(struct dm_io *io, int error) queue_io(md, bio); } else { /* done with normal IO or empty flush */ - bio->bi_error = io_error; + bio->bi_status = io_error; bio_endio(bio); } } @@ -838,14 +839,13 @@ void disable_write_zeroes(struct mapped_device *md) static void clone_endio(struct bio *bio) { - int error = bio->bi_error; - int r = error; + blk_status_t error = bio->bi_status; struct dm_target_io *tio = container_of(bio, struct dm_target_io, clone); struct dm_io *io = tio->io; struct mapped_device *md = tio->io->md; dm_endio_fn endio = tio->ti->type->end_io; - if (unlikely(error == -EREMOTEIO)) { + if (unlikely(error == BLK_STS_TARGET)) { if (bio_op(bio) == REQ_OP_WRITE_SAME && !bdev_get_queue(bio->bi_bdev)->limits.max_write_same_sectors) disable_write_same(md); @@ -855,10 +855,10 @@ static void clone_endio(struct bio *bio) } if (endio) { - r = endio(tio->ti, bio, &error); + int r = endio(tio->ti, bio, &error); switch (r) { case DM_ENDIO_REQUEUE: - error = DM_ENDIO_REQUEUE; + error = BLK_STS_DM_REQUEUE; /*FALLTHRU*/ case DM_ENDIO_DONE: break; @@ -1094,11 +1094,11 @@ static void __map_bio(struct dm_target_io *tio) generic_make_request(clone); break; case DM_MAPIO_KILL: - r = -EIO; - /*FALLTHRU*/ + dec_pending(tio->io, BLK_STS_IOERR); + free_tio(tio); + break; case DM_MAPIO_REQUEUE: - /* error the io and bail out, or requeue it if needed */ - dec_pending(tio->io, r); + dec_pending(tio->io, BLK_STS_DM_REQUEUE); free_tio(tio); break; default: @@ -1366,7 +1366,7 @@ static void __split_and_process_bio(struct mapped_device *md, ci.map = map; ci.md = md; ci.io = alloc_io(md); - ci.io->error = 0; + ci.io->status = 0; atomic_set(&ci.io->io_count, 1); ci.io->bio = bio; ci.io->md = md; diff --git a/drivers/md/md.c b/drivers/md/md.c index 10367ffe92e3..6452e83fd650 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -273,7 +273,7 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio) } if (mddev->ro == 1 && unlikely(rw == WRITE)) { if (bio_sectors(bio) != 0) - bio->bi_error = -EROFS; + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); return BLK_QC_T_NONE; } @@ -719,8 +719,8 @@ static void super_written(struct bio *bio) struct md_rdev *rdev = bio->bi_private; struct mddev *mddev = rdev->mddev; - if (bio->bi_error) { - pr_err("md: super_written gets error=%d\n", bio->bi_error); + if (bio->bi_status) { + pr_err("md: super_written gets error=%d\n", bio->bi_status); md_error(mddev, rdev); if (!test_bit(Faulty, &rdev->flags) && (bio->bi_opf & MD_FAILFAST)) { @@ -801,7 +801,7 @@ int sync_page_io(struct md_rdev *rdev, sector_t sector, int size, submit_bio_wait(bio); - ret = !bio->bi_error; + ret = !bio->bi_status; bio_put(bio); return ret; } diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index e95d521d93e9..68d036e64041 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -73,12 +73,12 @@ static void multipath_reschedule_retry (struct multipath_bh *mp_bh) * operation and are ready to return a success/failure code to the buffer * cache layer. */ -static void multipath_end_bh_io (struct multipath_bh *mp_bh, int err) +static void multipath_end_bh_io(struct multipath_bh *mp_bh, blk_status_t status) { struct bio *bio = mp_bh->master_bio; struct mpconf *conf = mp_bh->mddev->private; - bio->bi_error = err; + bio->bi_status = status; bio_endio(bio); mempool_free(mp_bh, conf->pool); } @@ -89,7 +89,7 @@ static void multipath_end_request(struct bio *bio) struct mpconf *conf = mp_bh->mddev->private; struct md_rdev *rdev = conf->multipaths[mp_bh->path].rdev; - if (!bio->bi_error) + if (!bio->bi_status) multipath_end_bh_io(mp_bh, 0); else if (!(bio->bi_opf & REQ_RAHEAD)) { /* @@ -102,7 +102,7 @@ static void multipath_end_request(struct bio *bio) (unsigned long long)bio->bi_iter.bi_sector); multipath_reschedule_retry(mp_bh); } else - multipath_end_bh_io(mp_bh, bio->bi_error); + multipath_end_bh_io(mp_bh, bio->bi_status); rdev_dec_pending(rdev, conf->mddev); } @@ -347,7 +347,7 @@ static void multipathd(struct md_thread *thread) pr_err("multipath: %s: unrecoverable IO read error for block %llu\n", bdevname(bio->bi_bdev,b), (unsigned long long)bio->bi_iter.bi_sector); - multipath_end_bh_io(mp_bh, -EIO); + multipath_end_bh_io(mp_bh, BLK_STS_IOERR); } else { pr_err("multipath: %s: redirecting sector %llu to another IO path\n", bdevname(bio->bi_bdev,b), diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index af5056d56878..94b87c4d0f7b 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -277,7 +277,7 @@ static void call_bio_endio(struct r1bio *r1_bio) struct r1conf *conf = r1_bio->mddev->private; if (!test_bit(R1BIO_Uptodate, &r1_bio->state)) - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); /* @@ -335,7 +335,7 @@ static int find_bio_disk(struct r1bio *r1_bio, struct bio *bio) static void raid1_end_read_request(struct bio *bio) { - int uptodate = !bio->bi_error; + int uptodate = !bio->bi_status; struct r1bio *r1_bio = bio->bi_private; struct r1conf *conf = r1_bio->mddev->private; struct md_rdev *rdev = conf->mirrors[r1_bio->read_disk].rdev; @@ -426,12 +426,12 @@ static void raid1_end_write_request(struct bio *bio) struct md_rdev *rdev = conf->mirrors[mirror].rdev; bool discard_error; - discard_error = bio->bi_error && bio_op(bio) == REQ_OP_DISCARD; + discard_error = bio->bi_status && bio_op(bio) == REQ_OP_DISCARD; /* * 'one mirror IO has finished' event handler: */ - if (bio->bi_error && !discard_error) { + if (bio->bi_status && !discard_error) { set_bit(WriteErrorSeen, &rdev->flags); if (!test_and_set_bit(WantReplacement, &rdev->flags)) set_bit(MD_RECOVERY_NEEDED, & @@ -802,7 +802,7 @@ static void flush_bio_list(struct r1conf *conf, struct bio *bio) bio->bi_next = NULL; bio->bi_bdev = rdev->bdev; if (test_bit(Faulty, &rdev->flags)) { - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); } else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) @@ -1856,7 +1856,7 @@ static void end_sync_read(struct bio *bio) * or re-read if the read failed. * We don't do much here, just schedule handling by raid1d */ - if (!bio->bi_error) + if (!bio->bi_status) set_bit(R1BIO_Uptodate, &r1_bio->state); if (atomic_dec_and_test(&r1_bio->remaining)) @@ -1865,7 +1865,7 @@ static void end_sync_read(struct bio *bio) static void end_sync_write(struct bio *bio) { - int uptodate = !bio->bi_error; + int uptodate = !bio->bi_status; struct r1bio *r1_bio = get_resync_r1bio(bio); struct mddev *mddev = r1_bio->mddev; struct r1conf *conf = mddev->private; @@ -2058,7 +2058,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio) idx ++; } set_bit(R1BIO_Uptodate, &r1_bio->state); - bio->bi_error = 0; + bio->bi_status = 0; return 1; } @@ -2082,16 +2082,16 @@ static void process_checks(struct r1bio *r1_bio) for (i = 0; i < conf->raid_disks * 2; i++) { int j; int size; - int error; + blk_status_t status; struct bio_vec *bi; struct bio *b = r1_bio->bios[i]; struct resync_pages *rp = get_resync_pages(b); if (b->bi_end_io != end_sync_read) continue; /* fixup the bio for reuse, but preserve errno */ - error = b->bi_error; + status = b->bi_status; bio_reset(b); - b->bi_error = error; + b->bi_status = status; b->bi_vcnt = vcnt; b->bi_iter.bi_size = r1_bio->sectors << 9; b->bi_iter.bi_sector = r1_bio->sector + @@ -2113,7 +2113,7 @@ static void process_checks(struct r1bio *r1_bio) } for (primary = 0; primary < conf->raid_disks * 2; primary++) if (r1_bio->bios[primary]->bi_end_io == end_sync_read && - !r1_bio->bios[primary]->bi_error) { + !r1_bio->bios[primary]->bi_status) { r1_bio->bios[primary]->bi_end_io = NULL; rdev_dec_pending(conf->mirrors[primary].rdev, mddev); break; @@ -2123,7 +2123,7 @@ static void process_checks(struct r1bio *r1_bio) int j; struct bio *pbio = r1_bio->bios[primary]; struct bio *sbio = r1_bio->bios[i]; - int error = sbio->bi_error; + blk_status_t status = sbio->bi_status; struct page **ppages = get_resync_pages(pbio)->pages; struct page **spages = get_resync_pages(sbio)->pages; struct bio_vec *bi; @@ -2132,12 +2132,12 @@ static void process_checks(struct r1bio *r1_bio) if (sbio->bi_end_io != end_sync_read) continue; /* Now we can 'fixup' the error value */ - sbio->bi_error = 0; + sbio->bi_status = 0; bio_for_each_segment_all(bi, sbio, j) page_len[j] = bi->bv_len; - if (!error) { + if (!status) { for (j = vcnt; j-- ; ) { if (memcmp(page_address(ppages[j]), page_address(spages[j]), @@ -2149,7 +2149,7 @@ static void process_checks(struct r1bio *r1_bio) if (j >= 0) atomic64_add(r1_bio->sectors, &mddev->resync_mismatches); if (j < 0 || (test_bit(MD_RECOVERY_CHECK, &mddev->recovery) - && !error)) { + && !status)) { /* No need to write to this device. */ sbio->bi_end_io = NULL; rdev_dec_pending(conf->mirrors[i].rdev, mddev); @@ -2400,11 +2400,11 @@ static void handle_sync_write_finished(struct r1conf *conf, struct r1bio *r1_bio struct bio *bio = r1_bio->bios[m]; if (bio->bi_end_io == NULL) continue; - if (!bio->bi_error && + if (!bio->bi_status && test_bit(R1BIO_MadeGood, &r1_bio->state)) { rdev_clear_badblocks(rdev, r1_bio->sector, s, 0); } - if (bio->bi_error && + if (bio->bi_status && test_bit(R1BIO_WriteError, &r1_bio->state)) { if (!rdev_set_badblocks(rdev, r1_bio->sector, s, 0)) md_error(conf->mddev, rdev); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 4343d7ff9916..89ad1cd29037 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -336,7 +336,7 @@ static void raid_end_bio_io(struct r10bio *r10_bio) struct r10conf *conf = r10_bio->mddev->private; if (!test_bit(R10BIO_Uptodate, &r10_bio->state)) - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); /* @@ -389,7 +389,7 @@ static int find_bio_disk(struct r10conf *conf, struct r10bio *r10_bio, static void raid10_end_read_request(struct bio *bio) { - int uptodate = !bio->bi_error; + int uptodate = !bio->bi_status; struct r10bio *r10_bio = bio->bi_private; int slot, dev; struct md_rdev *rdev; @@ -477,7 +477,7 @@ static void raid10_end_write_request(struct bio *bio) struct bio *to_put = NULL; bool discard_error; - discard_error = bio->bi_error && bio_op(bio) == REQ_OP_DISCARD; + discard_error = bio->bi_status && bio_op(bio) == REQ_OP_DISCARD; dev = find_bio_disk(conf, r10_bio, bio, &slot, &repl); @@ -491,7 +491,7 @@ static void raid10_end_write_request(struct bio *bio) /* * this branch is our 'one mirror IO has finished' event handler: */ - if (bio->bi_error && !discard_error) { + if (bio->bi_status && !discard_error) { if (repl) /* Never record new bad blocks to replacement, * just fail it. @@ -913,7 +913,7 @@ static void flush_pending_writes(struct r10conf *conf) bio->bi_next = NULL; bio->bi_bdev = rdev->bdev; if (test_bit(Faulty, &rdev->flags)) { - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); } else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) @@ -1098,7 +1098,7 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule) bio->bi_next = NULL; bio->bi_bdev = rdev->bdev; if (test_bit(Faulty, &rdev->flags)) { - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); } else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) @@ -1888,7 +1888,7 @@ static void __end_sync_read(struct r10bio *r10_bio, struct bio *bio, int d) { struct r10conf *conf = r10_bio->mddev->private; - if (!bio->bi_error) + if (!bio->bi_status) set_bit(R10BIO_Uptodate, &r10_bio->state); else /* The write handler will notice the lack of @@ -1972,7 +1972,7 @@ static void end_sync_write(struct bio *bio) else rdev = conf->mirrors[d].rdev; - if (bio->bi_error) { + if (bio->bi_status) { if (repl) md_error(mddev, rdev); else { @@ -2021,7 +2021,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) /* find the first device with a block */ for (i=0; i<conf->copies; i++) - if (!r10_bio->devs[i].bio->bi_error) + if (!r10_bio->devs[i].bio->bi_status) break; if (i == conf->copies) @@ -2050,7 +2050,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) tpages = get_resync_pages(tbio)->pages; d = r10_bio->devs[i].devnum; rdev = conf->mirrors[d].rdev; - if (!r10_bio->devs[i].bio->bi_error) { + if (!r10_bio->devs[i].bio->bi_status) { /* We know that the bi_io_vec layout is the same for * both 'first' and 'i', so we just compare them. * All vec entries are PAGE_SIZE; @@ -2633,7 +2633,7 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio) rdev = conf->mirrors[dev].rdev; if (r10_bio->devs[m].bio == NULL) continue; - if (!r10_bio->devs[m].bio->bi_error) { + if (!r10_bio->devs[m].bio->bi_status) { rdev_clear_badblocks( rdev, r10_bio->devs[m].addr, @@ -2649,7 +2649,7 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio) if (r10_bio->devs[m].repl_bio == NULL) continue; - if (!r10_bio->devs[m].repl_bio->bi_error) { + if (!r10_bio->devs[m].repl_bio->bi_status) { rdev_clear_badblocks( rdev, r10_bio->devs[m].addr, @@ -2675,7 +2675,7 @@ static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio) r10_bio->devs[m].addr, r10_bio->sectors, 0); rdev_dec_pending(rdev, conf->mddev); - } else if (bio != NULL && bio->bi_error) { + } else if (bio != NULL && bio->bi_status) { fail = true; if (!narrow_write_error(r10_bio, m)) { md_error(conf->mddev, rdev); @@ -3267,7 +3267,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, r10_bio->devs[i].repl_bio->bi_end_io = NULL; bio = r10_bio->devs[i].bio; - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; rcu_read_lock(); rdev = rcu_dereference(conf->mirrors[d].rdev); if (rdev == NULL || test_bit(Faulty, &rdev->flags)) { @@ -3309,7 +3309,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, /* Need to set up for writing to the replacement */ bio = r10_bio->devs[i].repl_bio; - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; sector = r10_bio->devs[i].addr; bio->bi_next = biolist; @@ -3375,7 +3375,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, if (bio->bi_end_io == end_sync_read) { md_sync_acct(bio->bi_bdev, nr_sectors); - bio->bi_error = 0; + bio->bi_status = 0; generic_make_request(bio); } } @@ -4394,7 +4394,7 @@ read_more: read_bio->bi_end_io = end_reshape_read; bio_set_op_attrs(read_bio, REQ_OP_READ, 0); read_bio->bi_flags &= (~0UL << BIO_RESET_BITS); - read_bio->bi_error = 0; + read_bio->bi_status = 0; read_bio->bi_vcnt = 0; read_bio->bi_iter.bi_size = 0; r10_bio->master_bio = read_bio; @@ -4638,7 +4638,7 @@ static void end_reshape_write(struct bio *bio) rdev = conf->mirrors[d].rdev; } - if (bio->bi_error) { + if (bio->bi_status) { /* FIXME should record badblock */ md_error(mddev, rdev); } diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 4c00bc248287..3ed6a0d89db8 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -572,7 +572,7 @@ static void r5l_log_endio(struct bio *bio) struct r5l_log *log = io->log; unsigned long flags; - if (bio->bi_error) + if (bio->bi_status) md_error(log->rdev->mddev, log->rdev); bio_put(bio); @@ -1247,7 +1247,7 @@ static void r5l_log_flush_endio(struct bio *bio) unsigned long flags; struct r5l_io_unit *io; - if (bio->bi_error) + if (bio->bi_status) md_error(log->rdev->mddev, log->rdev); spin_lock_irqsave(&log->io_list_lock, flags); diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c index 5d25bebf3328..09e04be34e5f 100644 --- a/drivers/md/raid5-ppl.c +++ b/drivers/md/raid5-ppl.c @@ -397,7 +397,7 @@ static void ppl_log_endio(struct bio *bio) pr_debug("%s: seq: %llu\n", __func__, io->seq); - if (bio->bi_error) + if (bio->bi_status) md_error(ppl_conf->mddev, log->rdev); list_for_each_entry_safe(sh, next, &io->stripe_list, log_list) { diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 9c4f7659f8b1..e1bdc320f664 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2476,7 +2476,7 @@ static void raid5_end_read_request(struct bio * bi) pr_debug("end_read_request %llu/%d, count: %d, error %d.\n", (unsigned long long)sh->sector, i, atomic_read(&sh->count), - bi->bi_error); + bi->bi_status); if (i == disks) { bio_reset(bi); BUG(); @@ -2496,7 +2496,7 @@ static void raid5_end_read_request(struct bio * bi) s = sh->sector + rdev->new_data_offset; else s = sh->sector + rdev->data_offset; - if (!bi->bi_error) { + if (!bi->bi_status) { set_bit(R5_UPTODATE, &sh->dev[i].flags); if (test_bit(R5_ReadError, &sh->dev[i].flags)) { /* Note that this cannot happen on a @@ -2613,7 +2613,7 @@ static void raid5_end_write_request(struct bio *bi) } pr_debug("end_write_request %llu/%d, count %d, error: %d.\n", (unsigned long long)sh->sector, i, atomic_read(&sh->count), - bi->bi_error); + bi->bi_status); if (i == disks) { bio_reset(bi); BUG(); @@ -2621,14 +2621,14 @@ static void raid5_end_write_request(struct bio *bi) } if (replacement) { - if (bi->bi_error) + if (bi->bi_status) md_error(conf->mddev, rdev); else if (is_badblock(rdev, sh->sector, STRIPE_SECTORS, &first_bad, &bad_sectors)) set_bit(R5_MadeGoodRepl, &sh->dev[i].flags); } else { - if (bi->bi_error) { + if (bi->bi_status) { set_bit(STRIPE_DEGRADED, &sh->state); set_bit(WriteErrorSeen, &rdev->flags); set_bit(R5_WriteError, &sh->dev[i].flags); @@ -2649,7 +2649,7 @@ static void raid5_end_write_request(struct bio *bi) } rdev_dec_pending(rdev, conf->mddev); - if (sh->batch_head && bi->bi_error && !replacement) + if (sh->batch_head && bi->bi_status && !replacement) set_bit(STRIPE_BATCH_ERR, &sh->batch_head->state); bio_reset(bi); @@ -3381,7 +3381,7 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, sh->dev[i].sector + STRIPE_SECTORS) { struct bio *nextbi = r5_next_bio(bi, sh->dev[i].sector); - bi->bi_error = -EIO; + bi->bi_status = BLK_STS_IOERR; md_write_end(conf->mddev); bio_endio(bi); bi = nextbi; @@ -3403,7 +3403,7 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, sh->dev[i].sector + STRIPE_SECTORS) { struct bio *bi2 = r5_next_bio(bi, sh->dev[i].sector); - bi->bi_error = -EIO; + bi->bi_status = BLK_STS_IOERR; md_write_end(conf->mddev); bio_endio(bi); bi = bi2; @@ -3429,7 +3429,7 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, struct bio *nextbi = r5_next_bio(bi, sh->dev[i].sector); - bi->bi_error = -EIO; + bi->bi_status = BLK_STS_IOERR; bio_endio(bi); bi = nextbi; } @@ -5144,7 +5144,7 @@ static void raid5_align_endio(struct bio *bi) struct mddev *mddev; struct r5conf *conf; struct md_rdev *rdev; - int error = bi->bi_error; + blk_status_t error = bi->bi_status; bio_put(bi); @@ -5721,7 +5721,7 @@ static void raid5_make_request(struct mddev *mddev, struct bio * bi) release_stripe_plug(mddev, sh); } else { /* cannot get stripe for read-ahead, just give-up */ - bi->bi_error = -EIO; + bi->bi_status = BLK_STS_IOERR; break; } } diff --git a/drivers/nvdimm/blk.c b/drivers/nvdimm/blk.c index 822198a75e96..79eb9fb358d5 100644 --- a/drivers/nvdimm/blk.c +++ b/drivers/nvdimm/blk.c @@ -186,7 +186,7 @@ static blk_qc_t nd_blk_make_request(struct request_queue *q, struct bio *bio) * another kernel subsystem, and we just pass it through. */ if (bio_integrity_enabled(bio) && bio_integrity_prep(bio)) { - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; goto out; } @@ -205,7 +205,7 @@ static blk_qc_t nd_blk_make_request(struct request_queue *q, struct bio *bio) "io error in %s sector %lld, len %d,\n", (rw == READ) ? "READ" : "WRITE", (unsigned long long) iter.bi_sector, len); - bio->bi_error = err; + bio->bi_status = errno_to_blk_status(err); break; } } diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index 983718b8fd9b..31b2d14e210d 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -1210,7 +1210,7 @@ static blk_qc_t btt_make_request(struct request_queue *q, struct bio *bio) * another kernel subsystem, and we just pass it through. */ if (bio_integrity_enabled(bio) && bio_integrity_prep(bio)) { - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; goto out; } @@ -1232,7 +1232,7 @@ static blk_qc_t btt_make_request(struct request_queue *q, struct bio *bio) (op_is_write(bio_op(bio))) ? "WRITE" : "READ", (unsigned long long) iter.bi_sector, len); - bio->bi_error = err; + bio->bi_status = errno_to_blk_status(err); break; } } diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index c544d466ea51..7bd383aeea14 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -49,19 +49,19 @@ static struct nd_region *to_region(struct pmem_device *pmem) return to_nd_region(to_dev(pmem)->parent); } -static int pmem_clear_poison(struct pmem_device *pmem, phys_addr_t offset, - unsigned int len) +static blk_status_t pmem_clear_poison(struct pmem_device *pmem, + phys_addr_t offset, unsigned int len) { struct device *dev = to_dev(pmem); sector_t sector; long cleared; - int rc = 0; + blk_status_t rc = BLK_STS_OK; sector = (offset - pmem->data_offset) / 512; cleared = nvdimm_clear_poison(dev, pmem->phys_addr + offset, len); if (cleared < len) - rc = -EIO; + rc = BLK_STS_IOERR; if (cleared > 0 && cleared / 512) { cleared /= 512; dev_dbg(dev, "%s: %#llx clear %ld sector%s\n", __func__, @@ -84,7 +84,7 @@ static void write_pmem(void *pmem_addr, struct page *page, kunmap_atomic(mem); } -static int read_pmem(struct page *page, unsigned int off, +static blk_status_t read_pmem(struct page *page, unsigned int off, void *pmem_addr, unsigned int len) { int rc; @@ -93,15 +93,15 @@ static int read_pmem(struct page *page, unsigned int off, rc = memcpy_mcsafe(mem + off, pmem_addr, len); kunmap_atomic(mem); if (rc) - return -EIO; - return 0; + return BLK_STS_IOERR; + return BLK_STS_OK; } -static int pmem_do_bvec(struct pmem_device *pmem, struct page *page, +static blk_status_t pmem_do_bvec(struct pmem_device *pmem, struct page *page, unsigned int len, unsigned int off, bool is_write, sector_t sector) { - int rc = 0; + blk_status_t rc = BLK_STS_OK; bool bad_pmem = false; phys_addr_t pmem_off = sector * 512 + pmem->data_offset; void *pmem_addr = pmem->virt_addr + pmem_off; @@ -111,7 +111,7 @@ static int pmem_do_bvec(struct pmem_device *pmem, struct page *page, if (!is_write) { if (unlikely(bad_pmem)) - rc = -EIO; + rc = BLK_STS_IOERR; else { rc = read_pmem(page, off, pmem_addr, len); flush_dcache_page(page); @@ -149,7 +149,7 @@ static int pmem_do_bvec(struct pmem_device *pmem, struct page *page, static blk_qc_t pmem_make_request(struct request_queue *q, struct bio *bio) { - int rc = 0; + blk_status_t rc = 0; bool do_acct; unsigned long start; struct bio_vec bvec; @@ -166,7 +166,7 @@ static blk_qc_t pmem_make_request(struct request_queue *q, struct bio *bio) bvec.bv_offset, op_is_write(bio_op(bio)), iter.bi_sector); if (rc) { - bio->bi_error = rc; + bio->bi_status = rc; break; } } @@ -184,7 +184,7 @@ static int pmem_rw_page(struct block_device *bdev, sector_t sector, struct page *page, bool is_write) { struct pmem_device *pmem = bdev->bd_queue->queuedata; - int rc; + blk_status_t rc; rc = pmem_do_bvec(pmem, page, PAGE_SIZE, 0, is_write, sector); @@ -197,7 +197,7 @@ static int pmem_rw_page(struct block_device *bdev, sector_t sector, if (rc == 0) page_endio(page, is_write, 0); - return rc; + return blk_status_to_errno(rc); } /* see "strong" declaration in tools/testing/nvdimm/pmem-dax.c */ diff --git a/drivers/nvme/target/io-cmd.c b/drivers/nvme/target/io-cmd.c index c77940d80fc8..40128793e613 100644 --- a/drivers/nvme/target/io-cmd.c +++ b/drivers/nvme/target/io-cmd.c @@ -21,7 +21,7 @@ static void nvmet_bio_done(struct bio *bio) struct nvmet_req *req = bio->bi_private; nvmet_req_complete(req, - bio->bi_error ? NVME_SC_INTERNAL | NVME_SC_DNR : 0); + bio->bi_status ? NVME_SC_INTERNAL | NVME_SC_DNR : 0); if (bio != &req->inline_bio) bio_put(bio); @@ -145,7 +145,7 @@ static void nvmet_execute_discard(struct nvmet_req *req) bio->bi_private = req; bio->bi_end_io = nvmet_bio_done; if (status) { - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); } else { submit_bio(bio); diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index bb069ebe4aa6..75373624604b 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -296,8 +296,8 @@ static void iblock_bio_done(struct bio *bio) struct se_cmd *cmd = bio->bi_private; struct iblock_req *ibr = cmd->priv; - if (bio->bi_error) { - pr_err("bio error: %p, err: %d\n", bio, bio->bi_error); + if (bio->bi_status) { + pr_err("bio error: %p, err: %d\n", bio, bio->bi_status); /* * Bump the ib_bio_err_cnt and release bio. */ @@ -354,11 +354,11 @@ static void iblock_end_io_flush(struct bio *bio) { struct se_cmd *cmd = bio->bi_private; - if (bio->bi_error) - pr_err("IBLOCK: cache flush failed: %d\n", bio->bi_error); + if (bio->bi_status) + pr_err("IBLOCK: cache flush failed: %d\n", bio->bi_status); if (cmd) { - if (bio->bi_error) + if (bio->bi_status) target_complete_cmd(cmd, SAM_STAT_CHECK_CONDITION); else target_complete_cmd(cmd, SAM_STAT_GOOD); diff --git a/fs/block_dev.c b/fs/block_dev.c index c1dc393ad6b9..bcd8e16a34e1 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -262,8 +262,8 @@ __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter, if (vecs != inline_vecs) kfree(vecs); - if (unlikely(bio.bi_error)) - return bio.bi_error; + if (unlikely(bio.bi_status)) + return blk_status_to_errno(bio.bi_status); return ret; } @@ -288,16 +288,18 @@ static void blkdev_bio_end_io(struct bio *bio) bool should_dirty = dio->should_dirty; if (dio->multi_bio && !atomic_dec_and_test(&dio->ref)) { - if (bio->bi_error && !dio->bio.bi_error) - dio->bio.bi_error = bio->bi_error; + if (bio->bi_status && !dio->bio.bi_status) + dio->bio.bi_status = bio->bi_status; } else { if (!dio->is_sync) { struct kiocb *iocb = dio->iocb; - ssize_t ret = dio->bio.bi_error; + ssize_t ret; - if (likely(!ret)) { + if (likely(!dio->bio.bi_status)) { ret = dio->size; iocb->ki_pos += ret; + } else { + ret = blk_status_to_errno(dio->bio.bi_status); } dio->iocb->ki_complete(iocb, ret, 0); @@ -363,7 +365,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) ret = bio_iov_iter_get_pages(bio, iter); if (unlikely(ret)) { - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); break; } @@ -413,7 +415,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) __set_current_state(TASK_RUNNING); if (!ret) - ret = dio->bio.bi_error; + ret = blk_status_to_errno(dio->bio.bi_status); if (likely(!ret)) ret = dio->size; diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index b8622e4d1744..d87ac27a5f2b 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -310,7 +310,8 @@ struct btrfs_dio_private { * The original bio may be split to several sub-bios, this is * done during endio of sub-bios */ - int (*subio_endio)(struct inode *, struct btrfs_io_bio *, int); + blk_status_t (*subio_endio)(struct inode *, struct btrfs_io_bio *, + blk_status_t); }; /* diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index ab14c2e635ca..4ded1c3f92b8 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -2129,7 +2129,7 @@ static void btrfsic_bio_end_io(struct bio *bp) /* mutex is not held! This is not save if IO is not yet completed * on umount */ iodone_w_error = 0; - if (bp->bi_error) + if (bp->bi_status) iodone_w_error = 1; BUG_ON(NULL == block); @@ -2143,7 +2143,7 @@ static void btrfsic_bio_end_io(struct bio *bp) if ((dev_state->state->print_mask & BTRFSIC_PRINT_MASK_END_IO_BIO_BH)) pr_info("bio_end_io(err=%d) for %c @%llu (%s/%llu/%d)\n", - bp->bi_error, + bp->bi_status, btrfsic_get_block_type(dev_state->state, block), block->logical_bytenr, dev_state->name, block->dev_bytenr, block->mirror_num); diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 10e6b282d09d..9ac55b266e78 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -155,7 +155,7 @@ static void end_compressed_bio_read(struct bio *bio) unsigned long index; int ret; - if (bio->bi_error) + if (bio->bi_status) cb->errors = 1; /* if there are more bios still pending for this compressed @@ -268,7 +268,7 @@ static void end_compressed_bio_write(struct bio *bio) struct page *page; unsigned long index; - if (bio->bi_error) + if (bio->bi_status) cb->errors = 1; /* if there are more bios still pending for this compressed @@ -287,7 +287,7 @@ static void end_compressed_bio_write(struct bio *bio) cb->start, cb->start + cb->len - 1, NULL, - bio->bi_error ? 0 : 1); + bio->bi_status ? 0 : 1); cb->compressed_pages[0]->mapping = NULL; end_compressed_writeback(inode, cb); @@ -320,7 +320,7 @@ out: * This also checksums the file bytes and gets things ready for * the end io hooks. */ -int btrfs_submit_compressed_write(struct inode *inode, u64 start, +blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start, unsigned long len, u64 disk_start, unsigned long compressed_len, struct page **compressed_pages, @@ -335,13 +335,13 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, struct page *page; u64 first_byte = disk_start; struct block_device *bdev; - int ret; + blk_status_t ret; int skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM; WARN_ON(start & ((u64)PAGE_SIZE - 1)); cb = kmalloc(compressed_bio_size(fs_info, compressed_len), GFP_NOFS); if (!cb) - return -ENOMEM; + return BLK_STS_RESOURCE; refcount_set(&cb->pending_bios, 0); cb->errors = 0; cb->inode = inode; @@ -358,7 +358,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, bio = compressed_bio_alloc(bdev, first_byte, GFP_NOFS); if (!bio) { kfree(cb); - return -ENOMEM; + return BLK_STS_RESOURCE; } bio_set_op_attrs(bio, REQ_OP_WRITE, 0); bio->bi_private = cb; @@ -368,17 +368,17 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, /* create and submit bios for the compressed pages */ bytes_left = compressed_len; for (pg_index = 0; pg_index < cb->nr_pages; pg_index++) { + int submit = 0; + page = compressed_pages[pg_index]; page->mapping = inode->i_mapping; if (bio->bi_iter.bi_size) - ret = io_tree->ops->merge_bio_hook(page, 0, + submit = io_tree->ops->merge_bio_hook(page, 0, PAGE_SIZE, bio, 0); - else - ret = 0; page->mapping = NULL; - if (ret || bio_add_page(bio, page, PAGE_SIZE, 0) < + if (submit || bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) { bio_get(bio); @@ -400,7 +400,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, ret = btrfs_map_bio(fs_info, bio, 0, 1); if (ret) { - bio->bi_error = ret; + bio->bi_status = ret; bio_endio(bio); } @@ -434,7 +434,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, ret = btrfs_map_bio(fs_info, bio, 0, 1); if (ret) { - bio->bi_error = ret; + bio->bi_status = ret; bio_endio(bio); } @@ -569,7 +569,7 @@ next: * After the compressed pages are read, we copy the bytes into the * bio we were passed and then call the bio end_io calls */ -int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, +blk_status_t btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); @@ -586,7 +586,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, u64 em_len; u64 em_start; struct extent_map *em; - int ret = -ENOMEM; + blk_status_t ret = BLK_STS_RESOURCE; int faili = 0; u32 *sums; @@ -600,7 +600,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, PAGE_SIZE); read_unlock(&em_tree->lock); if (!em) - return -EIO; + return BLK_STS_IOERR; compressed_len = em->block_len; cb = kmalloc(compressed_bio_size(fs_info, compressed_len), GFP_NOFS); @@ -659,19 +659,19 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, refcount_set(&cb->pending_bios, 1); for (pg_index = 0; pg_index < nr_pages; pg_index++) { + int submit = 0; + page = cb->compressed_pages[pg_index]; page->mapping = inode->i_mapping; page->index = em_start >> PAGE_SHIFT; if (comp_bio->bi_iter.bi_size) - ret = tree->ops->merge_bio_hook(page, 0, + submit = tree->ops->merge_bio_hook(page, 0, PAGE_SIZE, comp_bio, 0); - else - ret = 0; page->mapping = NULL; - if (ret || bio_add_page(comp_bio, page, PAGE_SIZE, 0) < + if (submit || bio_add_page(comp_bio, page, PAGE_SIZE, 0) < PAGE_SIZE) { bio_get(comp_bio); @@ -697,7 +697,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, ret = btrfs_map_bio(fs_info, comp_bio, mirror_num, 0); if (ret) { - comp_bio->bi_error = ret; + comp_bio->bi_status = ret; bio_endio(comp_bio); } @@ -726,7 +726,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, ret = btrfs_map_bio(fs_info, comp_bio, mirror_num, 0); if (ret) { - comp_bio->bi_error = ret; + comp_bio->bi_status = ret; bio_endio(comp_bio); } diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h index 39ec43ab8df1..680d4265d601 100644 --- a/fs/btrfs/compression.h +++ b/fs/btrfs/compression.h @@ -48,12 +48,12 @@ int btrfs_decompress_buf2page(const char *buf, unsigned long buf_start, unsigned long total_out, u64 disk_start, struct bio *bio); -int btrfs_submit_compressed_write(struct inode *inode, u64 start, +blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start, unsigned long len, u64 disk_start, unsigned long compressed_len, struct page **compressed_pages, unsigned long nr_pages); -int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, +blk_status_t btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags); enum btrfs_compression_type { diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 643c70d2b2e6..d2da0a52d560 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3078,8 +3078,8 @@ int btrfs_find_name_in_ext_backref(struct btrfs_path *path, struct btrfs_dio_private; int btrfs_del_csums(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 bytenr, u64 len); -int btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst); -int btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio, +blk_status_t btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst); +blk_status_t btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio, u64 logical_offset); int btrfs_insert_file_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root, @@ -3094,7 +3094,7 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans, int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_ordered_sum *sums); -int btrfs_csum_one_bio(struct inode *inode, struct bio *bio, +blk_status_t btrfs_csum_one_bio(struct inode *inode, struct bio *bio, u64 file_start, int contig); int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end, struct list_head *list, int search_commit); diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 8685d67185d0..46accc75ad5a 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -87,7 +87,7 @@ struct btrfs_end_io_wq { bio_end_io_t *end_io; void *private; struct btrfs_fs_info *info; - int error; + blk_status_t status; enum btrfs_wq_endio_type metadata; struct list_head list; struct btrfs_work work; @@ -131,7 +131,7 @@ struct async_submit_bio { */ u64 bio_offset; struct btrfs_work work; - int error; + blk_status_t status; }; /* @@ -799,7 +799,7 @@ static void end_workqueue_bio(struct bio *bio) btrfs_work_func_t func; fs_info = end_io_wq->info; - end_io_wq->error = bio->bi_error; + end_io_wq->status = bio->bi_status; if (bio_op(bio) == REQ_OP_WRITE) { if (end_io_wq->metadata == BTRFS_WQ_ENDIO_METADATA) { @@ -836,19 +836,19 @@ static void end_workqueue_bio(struct bio *bio) btrfs_queue_work(wq, &end_io_wq->work); } -int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio, +blk_status_t btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio, enum btrfs_wq_endio_type metadata) { struct btrfs_end_io_wq *end_io_wq; end_io_wq = kmem_cache_alloc(btrfs_end_io_wq_cache, GFP_NOFS); if (!end_io_wq) - return -ENOMEM; + return BLK_STS_RESOURCE; end_io_wq->private = bio->bi_private; end_io_wq->end_io = bio->bi_end_io; end_io_wq->info = info; - end_io_wq->error = 0; + end_io_wq->status = 0; end_io_wq->bio = bio; end_io_wq->metadata = metadata; @@ -868,14 +868,14 @@ unsigned long btrfs_async_submit_limit(struct btrfs_fs_info *info) static void run_one_async_start(struct btrfs_work *work) { struct async_submit_bio *async; - int ret; + blk_status_t ret; async = container_of(work, struct async_submit_bio, work); ret = async->submit_bio_start(async->inode, async->bio, async->mirror_num, async->bio_flags, async->bio_offset); if (ret) - async->error = ret; + async->status = ret; } static void run_one_async_done(struct btrfs_work *work) @@ -898,8 +898,8 @@ static void run_one_async_done(struct btrfs_work *work) wake_up(&fs_info->async_submit_wait); /* If an error occurred we just want to clean up the bio and move on */ - if (async->error) { - async->bio->bi_error = async->error; + if (async->status) { + async->bio->bi_status = async->status; bio_endio(async->bio); return; } @@ -916,18 +916,17 @@ static void run_one_async_free(struct btrfs_work *work) kfree(async); } -int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, - struct bio *bio, int mirror_num, - unsigned long bio_flags, - u64 bio_offset, - extent_submit_bio_hook_t *submit_bio_start, - extent_submit_bio_hook_t *submit_bio_done) +blk_status_t btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, + struct inode *inode, struct bio *bio, int mirror_num, + unsigned long bio_flags, u64 bio_offset, + extent_submit_bio_hook_t *submit_bio_start, + extent_submit_bio_hook_t *submit_bio_done) { struct async_submit_bio *async; async = kmalloc(sizeof(*async), GFP_NOFS); if (!async) - return -ENOMEM; + return BLK_STS_RESOURCE; async->inode = inode; async->bio = bio; @@ -941,7 +940,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, async->bio_flags = bio_flags; async->bio_offset = bio_offset; - async->error = 0; + async->status = 0; atomic_inc(&fs_info->nr_async_submits); @@ -959,7 +958,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, return 0; } -static int btree_csum_one_bio(struct bio *bio) +static blk_status_t btree_csum_one_bio(struct bio *bio) { struct bio_vec *bvec; struct btrfs_root *root; @@ -972,12 +971,12 @@ static int btree_csum_one_bio(struct bio *bio) break; } - return ret; + return errno_to_blk_status(ret); } -static int __btree_submit_bio_start(struct inode *inode, struct bio *bio, - int mirror_num, unsigned long bio_flags, - u64 bio_offset) +static blk_status_t __btree_submit_bio_start(struct inode *inode, + struct bio *bio, int mirror_num, unsigned long bio_flags, + u64 bio_offset) { /* * when we're called for a write, we're already in the async @@ -986,11 +985,11 @@ static int __btree_submit_bio_start(struct inode *inode, struct bio *bio, return btree_csum_one_bio(bio); } -static int __btree_submit_bio_done(struct inode *inode, struct bio *bio, - int mirror_num, unsigned long bio_flags, - u64 bio_offset) +static blk_status_t __btree_submit_bio_done(struct inode *inode, + struct bio *bio, int mirror_num, unsigned long bio_flags, + u64 bio_offset) { - int ret; + blk_status_t ret; /* * when we're called for a write, we're already in the async @@ -998,7 +997,7 @@ static int __btree_submit_bio_done(struct inode *inode, struct bio *bio, */ ret = btrfs_map_bio(btrfs_sb(inode->i_sb), bio, mirror_num, 1); if (ret) { - bio->bi_error = ret; + bio->bi_status = ret; bio_endio(bio); } return ret; @@ -1015,13 +1014,13 @@ static int check_async_write(unsigned long bio_flags) return 1; } -static int btree_submit_bio_hook(struct inode *inode, struct bio *bio, +static blk_status_t btree_submit_bio_hook(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags, u64 bio_offset) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); int async = check_async_write(bio_flags); - int ret; + blk_status_t ret; if (bio_op(bio) != REQ_OP_WRITE) { /* @@ -1054,7 +1053,7 @@ static int btree_submit_bio_hook(struct inode *inode, struct bio *bio, return 0; out_w_error: - bio->bi_error = ret; + bio->bi_status = ret; bio_endio(bio); return ret; } @@ -1820,7 +1819,7 @@ static void end_workqueue_fn(struct btrfs_work *work) end_io_wq = container_of(work, struct btrfs_end_io_wq, work); bio = end_io_wq->bio; - bio->bi_error = end_io_wq->error; + bio->bi_status = end_io_wq->status; bio->bi_private = end_io_wq->private; bio->bi_end_io = end_io_wq->end_io; kmem_cache_free(btrfs_end_io_wq_cache, end_io_wq); @@ -3495,11 +3494,11 @@ static void btrfs_end_empty_barrier(struct bio *bio) * any device where the flush fails with eopnotsupp are flagged as not-barrier * capable */ -static int write_dev_flush(struct btrfs_device *device, int wait) +static blk_status_t write_dev_flush(struct btrfs_device *device, int wait) { struct request_queue *q = bdev_get_queue(device->bdev); struct bio *bio; - int ret = 0; + blk_status_t ret = 0; if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) return 0; @@ -3511,8 +3510,8 @@ static int write_dev_flush(struct btrfs_device *device, int wait) wait_for_completion(&device->flush_wait); - if (bio->bi_error) { - ret = bio->bi_error; + if (bio->bi_status) { + ret = bio->bi_status; btrfs_dev_stat_inc_and_print(device, BTRFS_DEV_STAT_FLUSH_ERRS); } @@ -3531,7 +3530,7 @@ static int write_dev_flush(struct btrfs_device *device, int wait) device->flush_bio = NULL; bio = btrfs_io_bio_alloc(GFP_NOFS, 0); if (!bio) - return -ENOMEM; + return BLK_STS_RESOURCE; bio->bi_end_io = btrfs_end_empty_barrier; bio->bi_bdev = device->bdev; @@ -3556,7 +3555,7 @@ static int barrier_all_devices(struct btrfs_fs_info *info) struct btrfs_device *dev; int errors_send = 0; int errors_wait = 0; - int ret; + blk_status_t ret; /* send down all the barriers */ head = &info->fs_devices->devices; diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index 21f1ceb85b76..c581927555f3 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -118,13 +118,13 @@ int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid, int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid); u32 btrfs_csum_data(const char *data, u32 seed, size_t len); void btrfs_csum_final(u32 crc, u8 *result); -int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio, +blk_status_t btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio, enum btrfs_wq_endio_type metadata); -int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, - struct bio *bio, int mirror_num, - unsigned long bio_flags, u64 bio_offset, - extent_submit_bio_hook_t *submit_bio_start, - extent_submit_bio_hook_t *submit_bio_done); +blk_status_t btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, + struct inode *inode, struct bio *bio, int mirror_num, + unsigned long bio_flags, u64 bio_offset, + extent_submit_bio_hook_t *submit_bio_start, + extent_submit_bio_hook_t *submit_bio_done); unsigned long btrfs_async_submit_limit(struct btrfs_fs_info *info); int btrfs_write_tree_block(struct extent_buffer *buf); int btrfs_wait_tree_block_writeback(struct extent_buffer *buf); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index d8da3edf2ac3..35cbb6ceb70d 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2399,6 +2399,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset, struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree; struct bio *bio; int read_mode = 0; + blk_status_t status; int ret; BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE); @@ -2431,11 +2432,12 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset, "Repair Read Error: submitting new read[%#x] to this_mirror=%d, in_validation=%d", read_mode, failrec->this_mirror, failrec->in_validation); - ret = tree->ops->submit_bio_hook(inode, bio, failrec->this_mirror, + status = tree->ops->submit_bio_hook(inode, bio, failrec->this_mirror, failrec->bio_flags, 0); - if (ret) { + if (status) { free_io_failure(BTRFS_I(inode), failrec); bio_put(bio); + ret = blk_status_to_errno(status); } return ret; @@ -2474,6 +2476,7 @@ void end_extent_writepage(struct page *page, int err, u64 start, u64 end) */ static void end_bio_extent_writepage(struct bio *bio) { + int error = blk_status_to_errno(bio->bi_status); struct bio_vec *bvec; u64 start; u64 end; @@ -2503,7 +2506,7 @@ static void end_bio_extent_writepage(struct bio *bio) start = page_offset(page); end = start + bvec->bv_offset + bvec->bv_len - 1; - end_extent_writepage(page, bio->bi_error, start, end); + end_extent_writepage(page, error, start, end); end_page_writeback(page); } @@ -2536,7 +2539,7 @@ endio_readpage_release_extent(struct extent_io_tree *tree, u64 start, u64 len, static void end_bio_extent_readpage(struct bio *bio) { struct bio_vec *bvec; - int uptodate = !bio->bi_error; + int uptodate = !bio->bi_status; struct btrfs_io_bio *io_bio = btrfs_io_bio(bio); struct extent_io_tree *tree; u64 offset = 0; @@ -2556,7 +2559,7 @@ static void end_bio_extent_readpage(struct bio *bio) btrfs_debug(fs_info, "end_bio_extent_readpage: bi_sector=%llu, err=%d, mirror=%u", - (u64)bio->bi_iter.bi_sector, bio->bi_error, + (u64)bio->bi_iter.bi_sector, bio->bi_status, io_bio->mirror_num); tree = &BTRFS_I(inode)->io_tree; @@ -2615,7 +2618,7 @@ static void end_bio_extent_readpage(struct bio *bio) ret = bio_readpage_error(bio, offset, page, start, end, mirror); if (ret == 0) { - uptodate = !bio->bi_error; + uptodate = !bio->bi_status; offset += len; continue; } @@ -2673,7 +2676,7 @@ readpage_ok: endio_readpage_release_extent(tree, extent_start, extent_len, uptodate); if (io_bio->end_io) - io_bio->end_io(io_bio, bio->bi_error); + io_bio->end_io(io_bio, blk_status_to_errno(bio->bi_status)); bio_put(bio); } @@ -2743,7 +2746,7 @@ struct bio *btrfs_io_bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs) static int __must_check submit_one_bio(struct bio *bio, int mirror_num, unsigned long bio_flags) { - int ret = 0; + blk_status_t ret = 0; struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1; struct page *page = bvec->bv_page; struct extent_io_tree *tree = bio->bi_private; @@ -2761,7 +2764,7 @@ static int __must_check submit_one_bio(struct bio *bio, int mirror_num, btrfsic_submit_bio(bio); bio_put(bio); - return ret; + return blk_status_to_errno(ret); } static int merge_bio(struct extent_io_tree *tree, struct page *page, @@ -3707,7 +3710,7 @@ static void end_bio_extent_buffer_writepage(struct bio *bio) BUG_ON(!eb); done = atomic_dec_and_test(&eb->io_pages); - if (bio->bi_error || + if (bio->bi_status || test_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags)) { ClearPageUptodate(page); set_btree_ioerr(page); diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 1eafa2f0ede3..487ca0207cb6 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -92,9 +92,9 @@ struct btrfs_inode; struct btrfs_io_bio; struct io_failure_record; -typedef int (extent_submit_bio_hook_t)(struct inode *inode, struct bio *bio, - int mirror_num, unsigned long bio_flags, - u64 bio_offset); +typedef blk_status_t (extent_submit_bio_hook_t)(struct inode *inode, + struct bio *bio, int mirror_num, unsigned long bio_flags, + u64 bio_offset); struct extent_io_ops { /* * The following callbacks must be allways defined, the function diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 64fcb31d7163..5b1c7090e546 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -160,7 +160,7 @@ static void btrfs_io_bio_endio_readpage(struct btrfs_io_bio *bio, int err) kfree(bio->csum_allocated); } -static int __btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, +static blk_status_t __btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u64 logical_offset, u32 *dst, int dio) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); @@ -182,7 +182,7 @@ static int __btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, path = btrfs_alloc_path(); if (!path) - return -ENOMEM; + return BLK_STS_RESOURCE; nblocks = bio->bi_iter.bi_size >> inode->i_sb->s_blocksize_bits; if (!dst) { @@ -191,7 +191,7 @@ static int __btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, csum_size, GFP_NOFS); if (!btrfs_bio->csum_allocated) { btrfs_free_path(path); - return -ENOMEM; + return BLK_STS_RESOURCE; } btrfs_bio->csum = btrfs_bio->csum_allocated; btrfs_bio->end_io = btrfs_io_bio_endio_readpage; @@ -303,12 +303,12 @@ next: return 0; } -int btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst) +blk_status_t btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst) { return __btrfs_lookup_bio_sums(inode, bio, 0, dst, 0); } -int btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio, u64 offset) +blk_status_t btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio, u64 offset) { return __btrfs_lookup_bio_sums(inode, bio, offset, NULL, 1); } @@ -433,7 +433,7 @@ fail: return ret; } -int btrfs_csum_one_bio(struct inode *inode, struct bio *bio, +blk_status_t btrfs_csum_one_bio(struct inode *inode, struct bio *bio, u64 file_start, int contig) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); @@ -452,7 +452,7 @@ int btrfs_csum_one_bio(struct inode *inode, struct bio *bio, sums = kzalloc(btrfs_ordered_sum_size(fs_info, bio->bi_iter.bi_size), GFP_NOFS); if (!sums) - return -ENOMEM; + return BLK_STS_RESOURCE; sums->len = bio->bi_iter.bi_size; INIT_LIST_HEAD(&sums->list); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 758b2666885e..ea7cae1003eb 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -842,13 +842,12 @@ retry: NULL, EXTENT_LOCKED | EXTENT_DELALLOC, PAGE_UNLOCK | PAGE_CLEAR_DIRTY | PAGE_SET_WRITEBACK); - ret = btrfs_submit_compressed_write(inode, + if (btrfs_submit_compressed_write(inode, async_extent->start, async_extent->ram_size, ins.objectid, ins.offset, async_extent->pages, - async_extent->nr_pages); - if (ret) { + async_extent->nr_pages)) { struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree; struct page *p = async_extent->pages[0]; const u64 start = async_extent->start; @@ -1901,11 +1900,11 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset, * At IO completion time the cums attached on the ordered extent record * are inserted into the btree */ -static int __btrfs_submit_bio_start(struct inode *inode, struct bio *bio, - int mirror_num, unsigned long bio_flags, - u64 bio_offset) +static blk_status_t __btrfs_submit_bio_start(struct inode *inode, + struct bio *bio, int mirror_num, unsigned long bio_flags, + u64 bio_offset) { - int ret = 0; + blk_status_t ret = 0; ret = btrfs_csum_one_bio(inode, bio, 0, 0); BUG_ON(ret); /* -ENOMEM */ @@ -1920,16 +1919,16 @@ static int __btrfs_submit_bio_start(struct inode *inode, struct bio *bio, * At IO completion time the cums attached on the ordered extent record * are inserted into the btree */ -static int __btrfs_submit_bio_done(struct inode *inode, struct bio *bio, - int mirror_num, unsigned long bio_flags, - u64 bio_offset) +static blk_status_t __btrfs_submit_bio_done(struct inode *inode, + struct bio *bio, int mirror_num, unsigned long bio_flags, + u64 bio_offset) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - int ret; + blk_status_t ret; ret = btrfs_map_bio(fs_info, bio, mirror_num, 1); if (ret) { - bio->bi_error = ret; + bio->bi_status = ret; bio_endio(bio); } return ret; @@ -1939,14 +1938,14 @@ static int __btrfs_submit_bio_done(struct inode *inode, struct bio *bio, * extent_io.c submission hook. This does the right thing for csum calculation * on write, or reading the csums from the tree before a read */ -static int btrfs_submit_bio_hook(struct inode *inode, struct bio *bio, +static blk_status_t btrfs_submit_bio_hook(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags, u64 bio_offset) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_root *root = BTRFS_I(inode)->root; enum btrfs_wq_endio_type metadata = BTRFS_WQ_ENDIO_DATA; - int ret = 0; + blk_status_t ret = 0; int skip_sum; int async = !atomic_read(&BTRFS_I(inode)->sync_writers); @@ -1991,8 +1990,8 @@ mapit: ret = btrfs_map_bio(fs_info, bio, mirror_num, 0); out: - if (ret < 0) { - bio->bi_error = ret; + if (ret) { + bio->bi_status = ret; bio_endio(bio); } return ret; @@ -8037,7 +8036,7 @@ static void btrfs_retry_endio_nocsum(struct bio *bio) struct bio_vec *bvec; int i; - if (bio->bi_error) + if (bio->bi_status) goto end; ASSERT(bio->bi_vcnt == 1); @@ -8116,7 +8115,7 @@ static void btrfs_retry_endio(struct bio *bio) int ret; int i; - if (bio->bi_error) + if (bio->bi_status) goto end; uptodate = 1; @@ -8141,8 +8140,8 @@ end: bio_put(bio); } -static int __btrfs_subio_endio_read(struct inode *inode, - struct btrfs_io_bio *io_bio, int err) +static blk_status_t __btrfs_subio_endio_read(struct inode *inode, + struct btrfs_io_bio *io_bio, blk_status_t err) { struct btrfs_fs_info *fs_info; struct bio_vec *bvec; @@ -8184,7 +8183,7 @@ try_again: io_bio->mirror_num, btrfs_retry_endio, &done); if (ret) { - err = ret; + err = errno_to_blk_status(ret); goto next; } @@ -8211,8 +8210,8 @@ next: return err; } -static int btrfs_subio_endio_read(struct inode *inode, - struct btrfs_io_bio *io_bio, int err) +static blk_status_t btrfs_subio_endio_read(struct inode *inode, + struct btrfs_io_bio *io_bio, blk_status_t err) { bool skip_csum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM; @@ -8232,7 +8231,7 @@ static void btrfs_endio_direct_read(struct bio *bio) struct inode *inode = dip->inode; struct bio *dio_bio; struct btrfs_io_bio *io_bio = btrfs_io_bio(bio); - int err = bio->bi_error; + blk_status_t err = bio->bi_status; if (dip->flags & BTRFS_DIO_ORIG_BIO_SUBMITTED) err = btrfs_subio_endio_read(inode, io_bio, err); @@ -8243,11 +8242,11 @@ static void btrfs_endio_direct_read(struct bio *bio) kfree(dip); - dio_bio->bi_error = bio->bi_error; + dio_bio->bi_status = bio->bi_status; dio_end_io(dio_bio); if (io_bio->end_io) - io_bio->end_io(io_bio, err); + io_bio->end_io(io_bio, blk_status_to_errno(err)); bio_put(bio); } @@ -8299,20 +8298,20 @@ static void btrfs_endio_direct_write(struct bio *bio) struct bio *dio_bio = dip->dio_bio; __endio_write_update_ordered(dip->inode, dip->logical_offset, - dip->bytes, !bio->bi_error); + dip->bytes, !bio->bi_status); kfree(dip); - dio_bio->bi_error = bio->bi_error; + dio_bio->bi_status = bio->bi_status; dio_end_io(dio_bio); bio_put(bio); } -static int __btrfs_submit_bio_start_direct_io(struct inode *inode, +static blk_status_t __btrfs_submit_bio_start_direct_io(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags, u64 offset) { - int ret; + blk_status_t ret; ret = btrfs_csum_one_bio(inode, bio, offset, 1); BUG_ON(ret); /* -ENOMEM */ return 0; @@ -8321,7 +8320,7 @@ static int __btrfs_submit_bio_start_direct_io(struct inode *inode, static void btrfs_end_dio_bio(struct bio *bio) { struct btrfs_dio_private *dip = bio->bi_private; - int err = bio->bi_error; + blk_status_t err = bio->bi_status; if (err) btrfs_warn(BTRFS_I(dip->inode)->root->fs_info, @@ -8351,7 +8350,7 @@ static void btrfs_end_dio_bio(struct bio *bio) if (dip->errors) { bio_io_error(dip->orig_bio); } else { - dip->dio_bio->bi_error = 0; + dip->dio_bio->bi_status = 0; bio_endio(dip->orig_bio); } out: @@ -8368,14 +8367,14 @@ static struct bio *btrfs_dio_bio_alloc(struct block_device *bdev, return bio; } -static inline int btrfs_lookup_and_bind_dio_csum(struct inode *inode, +static inline blk_status_t btrfs_lookup_and_bind_dio_csum(struct inode *inode, struct btrfs_dio_private *dip, struct bio *bio, u64 file_offset) { struct btrfs_io_bio *io_bio = btrfs_io_bio(bio); struct btrfs_io_bio *orig_io_bio = btrfs_io_bio(dip->orig_bio); - int ret; + blk_status_t ret; /* * We load all the csum data we need when we submit @@ -8406,7 +8405,7 @@ static inline int __btrfs_submit_dio_bio(struct bio *bio, struct inode *inode, struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_dio_private *dip = bio->bi_private; bool write = bio_op(bio) == REQ_OP_WRITE; - int ret; + blk_status_t ret; if (async_submit) async_submit = !atomic_read(&BTRFS_I(inode)->sync_writers); @@ -8649,7 +8648,7 @@ free_ordered: * callbacks - they require an allocated dip and a clone of dio_bio. */ if (io_bio && dip) { - io_bio->bi_error = -EIO; + io_bio->bi_status = BLK_STS_IOERR; bio_endio(io_bio); /* * The end io callbacks free our dip, do the final put on io_bio @@ -8668,7 +8667,7 @@ free_ordered: unlock_extent(&BTRFS_I(inode)->io_tree, file_offset, file_offset + dio_bio->bi_iter.bi_size - 1); - dio_bio->bi_error = -EIO; + dio_bio->bi_status = BLK_STS_IOERR; /* * Releases and cleans up our dio_bio, no need to bio_put() * nor bio_endio()/bio_io_error() against dio_bio. diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index d8ea0eb76325..f3d30d9ea8f9 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -871,7 +871,7 @@ static void free_raid_bio(struct btrfs_raid_bio *rbio) * this frees the rbio and runs through all the bios in the * bio_list and calls end_io on them */ -static void rbio_orig_end_io(struct btrfs_raid_bio *rbio, int err) +static void rbio_orig_end_io(struct btrfs_raid_bio *rbio, blk_status_t err) { struct bio *cur = bio_list_get(&rbio->bio_list); struct bio *next; @@ -884,7 +884,7 @@ static void rbio_orig_end_io(struct btrfs_raid_bio *rbio, int err) while (cur) { next = cur->bi_next; cur->bi_next = NULL; - cur->bi_error = err; + cur->bi_status = err; bio_endio(cur); cur = next; } @@ -897,7 +897,7 @@ static void rbio_orig_end_io(struct btrfs_raid_bio *rbio, int err) static void raid_write_end_io(struct bio *bio) { struct btrfs_raid_bio *rbio = bio->bi_private; - int err = bio->bi_error; + blk_status_t err = bio->bi_status; int max_errors; if (err) @@ -914,7 +914,7 @@ static void raid_write_end_io(struct bio *bio) max_errors = (rbio->operation == BTRFS_RBIO_PARITY_SCRUB) ? 0 : rbio->bbio->max_errors; if (atomic_read(&rbio->error) > max_errors) - err = -EIO; + err = BLK_STS_IOERR; rbio_orig_end_io(rbio, err); } @@ -1092,7 +1092,7 @@ static int rbio_add_io_page(struct btrfs_raid_bio *rbio, * devices or if they are not contiguous */ if (last_end == disk_start && stripe->dev->bdev && - !last->bi_error && + !last->bi_status && last->bi_bdev == stripe->dev->bdev) { ret = bio_add_page(last, page, PAGE_SIZE, 0); if (ret == PAGE_SIZE) @@ -1448,7 +1448,7 @@ static void raid_rmw_end_io(struct bio *bio) { struct btrfs_raid_bio *rbio = bio->bi_private; - if (bio->bi_error) + if (bio->bi_status) fail_bio_stripe(rbio, bio); else set_bio_pages_uptodate(bio); @@ -1991,7 +1991,7 @@ static void raid_recover_end_io(struct bio *bio) * we only read stripe pages off the disk, set them * up to date if there were no errors */ - if (bio->bi_error) + if (bio->bi_status) fail_bio_stripe(rbio, bio); else set_bio_pages_uptodate(bio); @@ -2530,7 +2530,7 @@ static void raid56_parity_scrub_end_io(struct bio *bio) { struct btrfs_raid_bio *rbio = bio->bi_private; - if (bio->bi_error) + if (bio->bi_status) fail_bio_stripe(rbio, bio); else set_bio_pages_uptodate(bio); diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index c7b45eb2403d..ba5595d19de1 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -95,7 +95,7 @@ struct scrub_bio { struct scrub_ctx *sctx; struct btrfs_device *dev; struct bio *bio; - int err; + blk_status_t status; u64 logical; u64 physical; #if SCRUB_PAGES_PER_WR_BIO >= SCRUB_PAGES_PER_RD_BIO @@ -1668,14 +1668,14 @@ leave_nomem: struct scrub_bio_ret { struct completion event; - int error; + blk_status_t status; }; static void scrub_bio_wait_endio(struct bio *bio) { struct scrub_bio_ret *ret = bio->bi_private; - ret->error = bio->bi_error; + ret->status = bio->bi_status; complete(&ret->event); } @@ -1693,7 +1693,7 @@ static int scrub_submit_raid56_bio_wait(struct btrfs_fs_info *fs_info, int ret; init_completion(&done.event); - done.error = 0; + done.status = 0; bio->bi_iter.bi_sector = page->logical >> 9; bio->bi_private = &done; bio->bi_end_io = scrub_bio_wait_endio; @@ -1705,7 +1705,7 @@ static int scrub_submit_raid56_bio_wait(struct btrfs_fs_info *fs_info, return ret; wait_for_completion(&done.event); - if (done.error) + if (done.status) return -EIO; return 0; @@ -1937,7 +1937,7 @@ again: bio->bi_bdev = sbio->dev->bdev; bio->bi_iter.bi_sector = sbio->physical >> 9; bio_set_op_attrs(bio, REQ_OP_WRITE, 0); - sbio->err = 0; + sbio->status = 0; } else if (sbio->physical + sbio->page_count * PAGE_SIZE != spage->physical_for_dev_replace || sbio->logical + sbio->page_count * PAGE_SIZE != @@ -1992,7 +1992,7 @@ static void scrub_wr_bio_end_io(struct bio *bio) struct scrub_bio *sbio = bio->bi_private; struct btrfs_fs_info *fs_info = sbio->dev->fs_info; - sbio->err = bio->bi_error; + sbio->status = bio->bi_status; sbio->bio = bio; btrfs_init_work(&sbio->work, btrfs_scrubwrc_helper, @@ -2007,7 +2007,7 @@ static void scrub_wr_bio_end_io_worker(struct btrfs_work *work) int i; WARN_ON(sbio->page_count > SCRUB_PAGES_PER_WR_BIO); - if (sbio->err) { + if (sbio->status) { struct btrfs_dev_replace *dev_replace = &sbio->sctx->fs_info->dev_replace; @@ -2341,7 +2341,7 @@ again: bio->bi_bdev = sbio->dev->bdev; bio->bi_iter.bi_sector = sbio->physical >> 9; bio_set_op_attrs(bio, REQ_OP_READ, 0); - sbio->err = 0; + sbio->status = 0; } else if (sbio->physical + sbio->page_count * PAGE_SIZE != spage->physical || sbio->logical + sbio->page_count * PAGE_SIZE != @@ -2377,7 +2377,7 @@ static void scrub_missing_raid56_end_io(struct bio *bio) struct scrub_block *sblock = bio->bi_private; struct btrfs_fs_info *fs_info = sblock->sctx->fs_info; - if (bio->bi_error) + if (bio->bi_status) sblock->no_io_error_seen = 0; bio_put(bio); @@ -2588,7 +2588,7 @@ static void scrub_bio_end_io(struct bio *bio) struct scrub_bio *sbio = bio->bi_private; struct btrfs_fs_info *fs_info = sbio->dev->fs_info; - sbio->err = bio->bi_error; + sbio->status = bio->bi_status; sbio->bio = bio; btrfs_queue_work(fs_info->scrub_workers, &sbio->work); @@ -2601,7 +2601,7 @@ static void scrub_bio_end_io_worker(struct btrfs_work *work) int i; BUG_ON(sbio->page_count > SCRUB_PAGES_PER_RD_BIO); - if (sbio->err) { + if (sbio->status) { for (i = 0; i < sbio->page_count; i++) { struct scrub_page *spage = sbio->pagev[i]; @@ -3004,7 +3004,7 @@ static void scrub_parity_bio_endio(struct bio *bio) struct scrub_parity *sparity = (struct scrub_parity *)bio->bi_private; struct btrfs_fs_info *fs_info = sparity->sctx->fs_info; - if (bio->bi_error) + if (bio->bi_status) bitmap_or(sparity->ebitmap, sparity->ebitmap, sparity->dbitmap, sparity->nsectors); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 017b67daa3bb..84a495967e0a 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -6042,9 +6042,10 @@ static void btrfs_end_bio(struct bio *bio) struct btrfs_bio *bbio = bio->bi_private; int is_orig_bio = 0; - if (bio->bi_error) { + if (bio->bi_status) { atomic_inc(&bbio->error); - if (bio->bi_error == -EIO || bio->bi_error == -EREMOTEIO) { + if (bio->bi_status == BLK_STS_IOERR || + bio->bi_status == BLK_STS_TARGET) { unsigned int stripe_index = btrfs_io_bio(bio)->stripe_index; struct btrfs_device *dev; @@ -6082,13 +6083,13 @@ static void btrfs_end_bio(struct bio *bio) * beyond the tolerance of the btrfs bio */ if (atomic_read(&bbio->error) > bbio->max_errors) { - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; } else { /* * this bio is actually up to date, we didn't * go over the max number of errors */ - bio->bi_error = 0; + bio->bi_status = 0; } btrfs_end_bbio(bbio, bio); @@ -6199,7 +6200,7 @@ static void bbio_error(struct btrfs_bio *bbio, struct bio *bio, u64 logical) btrfs_io_bio(bio)->mirror_num = bbio->mirror_num; bio->bi_iter.bi_sector = logical >> 9; - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; btrfs_end_bbio(bbio, bio); } } diff --git a/fs/buffer.c b/fs/buffer.c index 161be58c5cb0..306b720f7383 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -3038,7 +3038,7 @@ static void end_bio_bh_io_sync(struct bio *bio) if (unlikely(bio_flagged(bio, BIO_QUIET))) set_bit(BH_Quiet, &bh->b_state); - bh->b_end_io(bh, !bio->bi_error); + bh->b_end_io(bh, !bio->bi_status); bio_put(bio); } diff --git a/fs/crypto/bio.c b/fs/crypto/bio.c index a409a84f1bca..6181e9526860 100644 --- a/fs/crypto/bio.c +++ b/fs/crypto/bio.c @@ -129,7 +129,7 @@ int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk, goto errout; } err = submit_bio_wait(bio); - if ((err == 0) && bio->bi_error) + if (err == 0 && bio->bi_status) err = -EIO; bio_put(bio); if (err) diff --git a/fs/direct-io.c b/fs/direct-io.c index bb711e4b86c2..e8baaabebf13 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -294,7 +294,7 @@ static void dio_aio_complete_work(struct work_struct *work) dio_complete(dio, 0, true); } -static int dio_bio_complete(struct dio *dio, struct bio *bio); +static blk_status_t dio_bio_complete(struct dio *dio, struct bio *bio); /* * Asynchronous IO callback. @@ -473,11 +473,11 @@ static struct bio *dio_await_one(struct dio *dio) /* * Process one completed BIO. No locks are held. */ -static int dio_bio_complete(struct dio *dio, struct bio *bio) +static blk_status_t dio_bio_complete(struct dio *dio, struct bio *bio) { struct bio_vec *bvec; unsigned i; - int err = bio->bi_error; + blk_status_t err = bio->bi_status; if (err) dio->io_error = -EIO; @@ -536,7 +536,7 @@ static inline int dio_bio_reap(struct dio *dio, struct dio_submit *sdio) bio = dio->bio_list; dio->bio_list = bio->bi_private; spin_unlock_irqrestore(&dio->bio_lock, flags); - ret2 = dio_bio_complete(dio, bio); + ret2 = blk_status_to_errno(dio_bio_complete(dio, bio)); if (ret == 0) ret = ret2; } diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 1a82138ba739..930ca0fc9a0f 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -85,7 +85,7 @@ static void ext4_finish_bio(struct bio *bio) } #endif - if (bio->bi_error) { + if (bio->bi_status) { SetPageError(page); mapping_set_error(page->mapping, -EIO); } @@ -104,7 +104,7 @@ static void ext4_finish_bio(struct bio *bio) continue; } clear_buffer_async_write(bh); - if (bio->bi_error) + if (bio->bi_status) buffer_io_error(bh); } while ((bh = bh->b_this_page) != head); bit_spin_unlock(BH_Uptodate_Lock, &head->b_state); @@ -303,24 +303,25 @@ static void ext4_end_bio(struct bio *bio) bdevname(bio->bi_bdev, b), (long long) bio->bi_iter.bi_sector, (unsigned) bio_sectors(bio), - bio->bi_error)) { + bio->bi_status)) { ext4_finish_bio(bio); bio_put(bio); return; } bio->bi_end_io = NULL; - if (bio->bi_error) { + if (bio->bi_status) { struct inode *inode = io_end->inode; ext4_warning(inode->i_sb, "I/O error %d writing to inode %lu " "(offset %llu size %ld starting block %llu)", - bio->bi_error, inode->i_ino, + bio->bi_status, inode->i_ino, (unsigned long long) io_end->offset, (long) io_end->size, (unsigned long long) bi_sector >> (inode->i_blkbits - 9)); - mapping_set_error(inode->i_mapping, bio->bi_error); + mapping_set_error(inode->i_mapping, + blk_status_to_errno(bio->bi_status)); } if (io_end->flag & EXT4_IO_END_UNWRITTEN) { diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c index a81b829d56de..40a5497b0f60 100644 --- a/fs/ext4/readpage.c +++ b/fs/ext4/readpage.c @@ -73,7 +73,7 @@ static void mpage_end_io(struct bio *bio) int i; if (ext4_bio_encrypted(bio)) { - if (bio->bi_error) { + if (bio->bi_status) { fscrypt_release_ctx(bio->bi_private); } else { fscrypt_decrypt_bio_pages(bio->bi_private, bio); @@ -83,7 +83,7 @@ static void mpage_end_io(struct bio *bio) bio_for_each_segment_all(bv, bio, i) { struct page *page = bv->bv_page; - if (!bio->bi_error) { + if (!bio->bi_status) { SetPageUptodate(page); } else { ClearPageUptodate(page); diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 7c0f6bdf817d..36fe82012a33 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -58,12 +58,12 @@ static void f2fs_read_end_io(struct bio *bio) #ifdef CONFIG_F2FS_FAULT_INJECTION if (time_to_inject(F2FS_P_SB(bio->bi_io_vec->bv_page), FAULT_IO)) { f2fs_show_injection_info(FAULT_IO); - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; } #endif if (f2fs_bio_encrypted(bio)) { - if (bio->bi_error) { + if (bio->bi_status) { fscrypt_release_ctx(bio->bi_private); } else { fscrypt_decrypt_bio_pages(bio->bi_private, bio); @@ -74,7 +74,7 @@ static void f2fs_read_end_io(struct bio *bio) bio_for_each_segment_all(bvec, bio, i) { struct page *page = bvec->bv_page; - if (!bio->bi_error) { + if (!bio->bi_status) { if (!PageUptodate(page)) SetPageUptodate(page); } else { @@ -102,14 +102,14 @@ static void f2fs_write_end_io(struct bio *bio) unlock_page(page); mempool_free(page, sbi->write_io_dummy); - if (unlikely(bio->bi_error)) + if (unlikely(bio->bi_status)) f2fs_stop_checkpoint(sbi, true); continue; } fscrypt_pullback_bio_page(&page, true); - if (unlikely(bio->bi_error)) { + if (unlikely(bio->bi_status)) { mapping_set_error(page->mapping, -EIO); f2fs_stop_checkpoint(sbi, true); } diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 96845854e7ee..ea9f455d94ba 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -749,7 +749,7 @@ static void f2fs_submit_discard_endio(struct bio *bio) { struct discard_cmd *dc = (struct discard_cmd *)bio->bi_private; - dc->error = bio->bi_error; + dc->error = blk_status_to_errno(bio->bi_status); dc->state = D_DONE; complete(&dc->wait); bio_put(bio); diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index 13ebf15a4db0..885d36e7a29f 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -170,7 +170,7 @@ static u64 gfs2_log_bmap(struct gfs2_sbd *sdp) */ static void gfs2_end_log_write_bh(struct gfs2_sbd *sdp, struct bio_vec *bvec, - int error) + blk_status_t error) { struct buffer_head *bh, *next; struct page *page = bvec->bv_page; @@ -209,13 +209,13 @@ static void gfs2_end_log_write(struct bio *bio) struct page *page; int i; - if (bio->bi_error) - fs_err(sdp, "Error %d writing to log\n", bio->bi_error); + if (bio->bi_status) + fs_err(sdp, "Error %d writing to log\n", bio->bi_status); bio_for_each_segment_all(bvec, bio, i) { page = bvec->bv_page; if (page_has_buffers(page)) - gfs2_end_log_write_bh(sdp, bvec, bio->bi_error); + gfs2_end_log_write_bh(sdp, bvec, bio->bi_status); else mempool_free(page, gfs2_page_pool); } diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 663ffc135ef3..fabe1614f879 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -201,7 +201,7 @@ static void gfs2_meta_read_endio(struct bio *bio) do { struct buffer_head *next = bh->b_this_page; len -= bh->b_size; - bh->b_end_io(bh, !bio->bi_error); + bh->b_end_io(bh, !bio->bi_status); bh = next; } while (bh && len); } diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index ed67548b286c..83953cdbbc6c 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -176,10 +176,10 @@ static void end_bio_io_page(struct bio *bio) { struct page *page = bio->bi_private; - if (!bio->bi_error) + if (!bio->bi_status) SetPageUptodate(page); else - pr_warn("error %d reading superblock\n", bio->bi_error); + pr_warn("error %d reading superblock\n", bio->bi_status); unlock_page(page); } diff --git a/fs/iomap.c b/fs/iomap.c index 4b10892967a5..18f2f2b8ba2c 100644 --- a/fs/iomap.c +++ b/fs/iomap.c @@ -672,8 +672,8 @@ static void iomap_dio_bio_end_io(struct bio *bio) struct iomap_dio *dio = bio->bi_private; bool should_dirty = (dio->flags & IOMAP_DIO_DIRTY); - if (bio->bi_error) - iomap_dio_set_error(dio, bio->bi_error); + if (bio->bi_status) + iomap_dio_set_error(dio, blk_status_to_errno(bio->bi_status)); if (atomic_dec_and_test(&dio->ref)) { if (is_sync_kiocb(dio->iocb)) { diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index bb1da1feafeb..a21f0e9eecd4 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -2205,7 +2205,7 @@ static void lbmIODone(struct bio *bio) bp->l_flag |= lbmDONE; - if (bio->bi_error) { + if (bio->bi_status) { bp->l_flag |= lbmERROR; jfs_err("lbmIODone: I/O error in JFS log"); diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c index 489aaa1403e5..ce93db3aef3c 100644 --- a/fs/jfs/jfs_metapage.c +++ b/fs/jfs/jfs_metapage.c @@ -280,7 +280,7 @@ static void metapage_read_end_io(struct bio *bio) { struct page *page = bio->bi_private; - if (bio->bi_error) { + if (bio->bi_status) { printk(KERN_ERR "metapage_read_end_io: I/O error\n"); SetPageError(page); } @@ -337,7 +337,7 @@ static void metapage_write_end_io(struct bio *bio) BUG_ON(!PagePrivate(page)); - if (bio->bi_error) { + if (bio->bi_status) { printk(KERN_ERR "metapage_write_end_io: I/O error\n"); SetPageError(page); } diff --git a/fs/mpage.c b/fs/mpage.c index baff8f820c29..9524fdde00c2 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -50,7 +50,8 @@ static void mpage_end_io(struct bio *bio) bio_for_each_segment_all(bv, bio, i) { struct page *page = bv->bv_page; - page_endio(page, op_is_write(bio_op(bio)), bio->bi_error); + page_endio(page, op_is_write(bio_op(bio)), + blk_status_to_errno(bio->bi_status)); } bio_put(bio); diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index 0ca370d23ddb..d8863a804b15 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -188,7 +188,7 @@ static void bl_end_io_read(struct bio *bio) { struct parallel_io *par = bio->bi_private; - if (bio->bi_error) { + if (bio->bi_status) { struct nfs_pgio_header *header = par->data; if (!header->pnfs_error) @@ -319,7 +319,7 @@ static void bl_end_io_write(struct bio *bio) struct parallel_io *par = bio->bi_private; struct nfs_pgio_header *header = par->data; - if (bio->bi_error) { + if (bio->bi_status) { if (!header->pnfs_error) header->pnfs_error = -EIO; pnfs_set_lo_fail(header->lseg); diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c index 6f87b2ac1aeb..e73c86d9855c 100644 --- a/fs/nilfs2/segbuf.c +++ b/fs/nilfs2/segbuf.c @@ -338,7 +338,7 @@ static void nilfs_end_bio_write(struct bio *bio) { struct nilfs_segment_buffer *segbuf = bio->bi_private; - if (bio->bi_error) + if (bio->bi_status) atomic_inc(&segbuf->sb_err); bio_put(bio); diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 0da0332725aa..ffe003982d95 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -516,9 +516,9 @@ static void o2hb_bio_end_io(struct bio *bio) { struct o2hb_bio_wait_ctxt *wc = bio->bi_private; - if (bio->bi_error) { - mlog(ML_ERROR, "IO Error %d\n", bio->bi_error); - wc->wc_error = bio->bi_error; + if (bio->bi_status) { + mlog(ML_ERROR, "IO Error %d\n", bio->bi_status); + wc->wc_error = blk_status_to_errno(bio->bi_status); } o2hb_bio_wait_dec(wc, 1); diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 09af0f7cd55e..76b6f988e2fa 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -276,7 +276,7 @@ xfs_end_io( struct xfs_inode *ip = XFS_I(ioend->io_inode); xfs_off_t offset = ioend->io_offset; size_t size = ioend->io_size; - int error = ioend->io_bio->bi_error; + int error; /* * Just clean up the in-memory strutures if the fs has been shut down. @@ -289,6 +289,7 @@ xfs_end_io( /* * Clean up any COW blocks on an I/O error. */ + error = blk_status_to_errno(ioend->io_bio->bi_status); if (unlikely(error)) { switch (ioend->io_type) { case XFS_IO_COW: @@ -332,7 +333,7 @@ xfs_end_bio( else if (ioend->io_append_trans) queue_work(mp->m_data_workqueue, &ioend->io_work); else - xfs_destroy_ioend(ioend, bio->bi_error); + xfs_destroy_ioend(ioend, blk_status_to_errno(bio->bi_status)); } STATIC int @@ -500,7 +501,7 @@ xfs_submit_ioend( * time. */ if (status) { - ioend->io_bio->bi_error = status; + ioend->io_bio->bi_status = errno_to_blk_status(status); bio_endio(ioend->io_bio); return status; } diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 62fa39276a24..15c7a484a5d2 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1213,8 +1213,11 @@ xfs_buf_bio_end_io( * don't overwrite existing errors - otherwise we can lose errors on * buffers that require multiple bios to complete. */ - if (bio->bi_error) - cmpxchg(&bp->b_io_error, 0, bio->bi_error); + if (bio->bi_status) { + int error = blk_status_to_errno(bio->bi_status); + + cmpxchg(&bp->b_io_error, 0, error); + } if (!bp->b_error && xfs_buf_is_vmapped(bp) && (bp->b_flags & XBF_READ)) invalidate_kernel_vmap_range(bp->b_addr, xfs_buf_vmap_len(bp)); diff --git a/include/linux/bio.h b/include/linux/bio.h index d1b04b0e99cf..9455aada1399 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -414,7 +414,7 @@ extern void bio_endio(struct bio *); static inline void bio_io_error(struct bio *bio) { - bio->bi_error = -EIO; + bio->bi_status = BLK_STS_IOERR; bio_endio(bio); } diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 59378939a8cd..dcd45b15a3a5 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -33,6 +33,9 @@ typedef u8 __bitwise blk_status_t; #define BLK_STS_RESOURCE ((__force blk_status_t)9) #define BLK_STS_IOERR ((__force blk_status_t)10) +/* hack for device mapper, don't use elsewhere: */ +#define BLK_STS_DM_REQUEUE ((__force blk_status_t)11) + struct blk_issue_stat { u64 stat; }; @@ -44,7 +47,7 @@ struct blk_issue_stat { struct bio { struct bio *bi_next; /* request queue link */ struct block_device *bi_bdev; - int bi_error; + blk_status_t bi_status; unsigned int bi_opf; /* bottom bits req flags, * top bits REQ_OP. Use * accessors. diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 2a8871638453..76b6df862a12 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1782,7 +1782,7 @@ struct blk_integrity_iter { const char *disk_name; }; -typedef int (integrity_processing_fn) (struct blk_integrity_iter *); +typedef blk_status_t (integrity_processing_fn) (struct blk_integrity_iter *); struct blk_integrity_profile { integrity_processing_fn *generate_fn; diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 5de5c53251ec..456da5017b32 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -72,7 +72,7 @@ typedef void (*dm_release_clone_request_fn) (struct request *clone); * 2 : The target wants to push back the io */ typedef int (*dm_endio_fn) (struct dm_target *ti, - struct bio *bio, int *error); + struct bio *bio, blk_status_t *error); typedef int (*dm_request_endio_fn) (struct dm_target *ti, struct request *clone, blk_status_t error, union map_info *map_context); diff --git a/kernel/power/swap.c b/kernel/power/swap.c index f80fd33639e0..57d22571f306 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -225,14 +225,14 @@ static struct block_device *hib_resume_bdev; struct hib_bio_batch { atomic_t count; wait_queue_head_t wait; - int error; + blk_status_t error; }; static void hib_init_batch(struct hib_bio_batch *hb) { atomic_set(&hb->count, 0); init_waitqueue_head(&hb->wait); - hb->error = 0; + hb->error = BLK_STS_OK; } static void hib_end_io(struct bio *bio) @@ -240,7 +240,7 @@ static void hib_end_io(struct bio *bio) struct hib_bio_batch *hb = bio->bi_private; struct page *page = bio->bi_io_vec[0].bv_page; - if (bio->bi_error) { + if (bio->bi_status) { printk(KERN_ALERT "Read-error on swap-device (%u:%u:%Lu)\n", imajor(bio->bi_bdev->bd_inode), iminor(bio->bi_bdev->bd_inode), @@ -253,8 +253,8 @@ static void hib_end_io(struct bio *bio) flush_icache_range((unsigned long)page_address(page), (unsigned long)page_address(page) + PAGE_SIZE); - if (bio->bi_error && !hb->error) - hb->error = bio->bi_error; + if (bio->bi_status && !hb->error) + hb->error = bio->bi_status; if (atomic_dec_and_test(&hb->count)) wake_up(&hb->wait); @@ -293,10 +293,10 @@ static int hib_submit_io(int op, int op_flags, pgoff_t page_off, void *addr, return error; } -static int hib_wait_io(struct hib_bio_batch *hb) +static blk_status_t hib_wait_io(struct hib_bio_batch *hb) { wait_event(hb->wait, atomic_read(&hb->count) == 0); - return hb->error; + return blk_status_to_errno(hb->error); } /* diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 193c5f5e3f79..bc364f86100a 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -867,7 +867,7 @@ static void blk_add_trace_split(void *ignore, __blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size, bio_op(bio), bio->bi_opf, - BLK_TA_SPLIT, bio->bi_error, sizeof(rpdu), + BLK_TA_SPLIT, bio->bi_status, sizeof(rpdu), &rpdu); } } @@ -900,7 +900,7 @@ static void blk_add_trace_bio_remap(void *ignore, r.sector_from = cpu_to_be64(from); __blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size, - bio_op(bio), bio->bi_opf, BLK_TA_REMAP, bio->bi_error, + bio_op(bio), bio->bi_opf, BLK_TA_REMAP, bio->bi_status, sizeof(r), &r); } diff --git a/mm/page_io.c b/mm/page_io.c index 23f6d0d3470f..2da71e627812 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -45,7 +45,7 @@ void end_swap_bio_write(struct bio *bio) { struct page *page = bio->bi_io_vec[0].bv_page; - if (bio->bi_error) { + if (bio->bi_status) { SetPageError(page); /* * We failed to write the page out to swap-space. @@ -118,7 +118,7 @@ static void end_swap_bio_read(struct bio *bio) { struct page *page = bio->bi_io_vec[0].bv_page; - if (bio->bi_error) { + if (bio->bi_status) { SetPageError(page); ClearPageUptodate(page); pr_alert("Read-error on swap-device (%u:%u:%llu)\n", |