diff options
| author | Jens Axboe | 2016-09-15 08:38:34 -0600 |
|---|---|---|
| committer | Jens Axboe | 2016-09-15 08:38:34 -0600 |
| commit | 474b313de79e034e269955de23231da769a521b7 (patch) | |
| tree | 877e3c883aff3edfe4f378c69f7ba738b0d8ef94 /drivers/md/dm-log-writes.c | |
| parent | 2849450ad39d2e699fda2d5c6f41e05d87fd7004 (diff) | |
| parent | ee8d41e53efe14bfc5ea5866e1178b06d78a7c95 (diff) | |
Merge branch 'irq/for-block' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into for-4.9/msi-irq
Diffstat (limited to 'drivers/md/dm-log-writes.c')
| -rw-r--r-- | drivers/md/dm-log-writes.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index 4ab68033f9d1..49e4d8d4558f 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -259,12 +259,12 @@ static int log_one_block(struct log_writes_c *lc, goto out; sector++; - bio = bio_alloc(GFP_KERNEL, block->vec_cnt); + atomic_inc(&lc->io_blocks); + bio = bio_alloc(GFP_KERNEL, min(block->vec_cnt, BIO_MAX_PAGES)); if (!bio) { DMERR("Couldn't alloc log bio"); goto error; } - atomic_inc(&lc->io_blocks); bio->bi_iter.bi_size = 0; bio->bi_iter.bi_sector = sector; bio->bi_bdev = lc->logdev->bdev; @@ -282,7 +282,7 @@ static int log_one_block(struct log_writes_c *lc, if (ret != block->vecs[i].bv_len) { atomic_inc(&lc->io_blocks); submit_bio(bio); - bio = bio_alloc(GFP_KERNEL, block->vec_cnt - i); + bio = bio_alloc(GFP_KERNEL, min(block->vec_cnt - i, BIO_MAX_PAGES)); if (!bio) { DMERR("Couldn't alloc log bio"); goto error; @@ -459,9 +459,9 @@ static int log_writes_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto bad; } - ret = -EINVAL; lc->log_kthread = kthread_run(log_writes_kthread, lc, "log-write"); - if (!lc->log_kthread) { + if (IS_ERR(lc->log_kthread)) { + ret = PTR_ERR(lc->log_kthread); ti->error = "Couldn't alloc kthread"; dm_put_device(ti, lc->dev); dm_put_device(ti, lc->logdev); |