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-rw-r--r--fs/nfs/Makefile3
-rw-r--r--fs/nfs/callback_proc.c28
-rw-r--r--fs/nfs/client.c24
-rw-r--r--fs/nfs/dir.c94
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.c26
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayoutdev.c2
-rw-r--r--fs/nfs/inode.c30
-rw-r--r--fs/nfs/internal.h7
-rw-r--r--fs/nfs/netns.h3
-rw-r--r--fs/nfs/nfs2xdr.c2
-rw-r--r--fs/nfs/nfs3client.c3
-rw-r--r--fs/nfs/nfs3xdr.c2
-rw-r--r--fs/nfs/nfs4_fs.h4
-rw-r--r--fs/nfs/nfs4client.c14
-rw-r--r--fs/nfs/nfs4file.c8
-rw-r--r--fs/nfs/nfs4proc.c80
-rw-r--r--fs/nfs/nfs4state.c49
-rw-r--r--fs/nfs/nfs4trace.c8
-rw-r--r--fs/nfs/nfs4trace.h283
-rw-r--r--fs/nfs/nfs4xdr.c16
-rw-r--r--fs/nfs/nfstrace.h233
-rw-r--r--fs/nfs/pagelist.c6
-rw-r--r--fs/nfs/pnfs.c20
-rw-r--r--fs/nfs/super.c57
-rw-r--r--fs/nfs/sysfs.c187
-rw-r--r--fs/nfs/sysfs.h25
-rw-r--r--fs/nfs/write.c7
27 files changed, 885 insertions, 336 deletions
diff --git a/fs/nfs/Makefile b/fs/nfs/Makefile
index c587e3c4c6a6..34cdeaecccf6 100644
--- a/fs/nfs/Makefile
+++ b/fs/nfs/Makefile
@@ -8,7 +8,8 @@ obj-$(CONFIG_NFS_FS) += nfs.o
CFLAGS_nfstrace.o += -I$(src)
nfs-y := client.o dir.o file.o getroot.o inode.o super.o \
io.o direct.o pagelist.o read.o symlink.o unlink.o \
- write.o namespace.o mount_clnt.o nfstrace.o export.o
+ write.o namespace.o mount_clnt.o nfstrace.o \
+ export.o sysfs.o
nfs-$(CONFIG_ROOT_NFS) += nfsroot.o
nfs-$(CONFIG_SYSCTL) += sysctl.o
nfs-$(CONFIG_NFS_FSCACHE) += fscache.o fscache-index.o
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 315967354954..f39924ba050b 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -414,27 +414,39 @@ static __be32
validate_seqid(const struct nfs4_slot_table *tbl, const struct nfs4_slot *slot,
const struct cb_sequenceargs * args)
{
+ __be32 ret;
+
+ ret = cpu_to_be32(NFS4ERR_BADSLOT);
if (args->csa_slotid > tbl->server_highest_slotid)
- return htonl(NFS4ERR_BADSLOT);
+ goto out_err;
/* Replay */
if (args->csa_sequenceid == slot->seq_nr) {
+ ret = cpu_to_be32(NFS4ERR_DELAY);
if (nfs4_test_locked_slot(tbl, slot->slot_nr))
- return htonl(NFS4ERR_DELAY);
+ goto out_err;
+
/* Signal process_op to set this error on next op */
+ ret = cpu_to_be32(NFS4ERR_RETRY_UNCACHED_REP);
if (args->csa_cachethis == 0)
- return htonl(NFS4ERR_RETRY_UNCACHED_REP);
+ goto out_err;
/* Liar! We never allowed you to set csa_cachethis != 0 */
- return htonl(NFS4ERR_SEQ_FALSE_RETRY);
+ ret = cpu_to_be32(NFS4ERR_SEQ_FALSE_RETRY);
+ goto out_err;
}
/* Note: wraparound relies on seq_nr being of type u32 */
- if (likely(args->csa_sequenceid == slot->seq_nr + 1))
- return htonl(NFS4_OK);
-
/* Misordered request */
- return htonl(NFS4ERR_SEQ_MISORDERED);
+ ret = cpu_to_be32(NFS4ERR_SEQ_MISORDERED);
+ if (args->csa_sequenceid != slot->seq_nr + 1)
+ goto out_err;
+
+ return cpu_to_be32(NFS4_OK);
+
+out_err:
+ trace_nfs4_cb_seqid_err(args, ret);
+ return ret;
}
/*
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index d7e4f0848e28..30838304a0bf 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -49,6 +49,7 @@
#include "pnfs.h"
#include "nfs.h"
#include "netns.h"
+#include "sysfs.h"
#define NFSDBG_FACILITY NFSDBG_CLIENT
@@ -175,6 +176,7 @@ struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_init)
clp->cl_rpcclient = ERR_PTR(-EINVAL);
clp->cl_proto = cl_init->proto;
+ clp->cl_nconnect = cl_init->nconnect;
clp->cl_net = get_net(cl_init->net);
clp->cl_principal = "*";
@@ -192,7 +194,7 @@ error_0:
EXPORT_SYMBOL_GPL(nfs_alloc_client);
#if IS_ENABLED(CONFIG_NFS_V4)
-void nfs_cleanup_cb_ident_idr(struct net *net)
+static void nfs_cleanup_cb_ident_idr(struct net *net)
{
struct nfs_net *nn = net_generic(net, nfs_net_id);
@@ -214,7 +216,7 @@ static void pnfs_init_server(struct nfs_server *server)
}
#else
-void nfs_cleanup_cb_ident_idr(struct net *net)
+static void nfs_cleanup_cb_ident_idr(struct net *net)
{
}
@@ -406,10 +408,10 @@ struct nfs_client *nfs_get_client(const struct nfs_client_initdata *cl_init)
clp = nfs_match_client(cl_init);
if (clp) {
spin_unlock(&nn->nfs_client_lock);
- if (IS_ERR(clp))
- return clp;
if (new)
new->rpc_ops->free_client(new);
+ if (IS_ERR(clp))
+ return clp;
return nfs_found_client(cl_init, clp);
}
if (new) {
@@ -493,6 +495,7 @@ int nfs_create_rpc_client(struct nfs_client *clp,
struct rpc_create_args args = {
.net = clp->cl_net,
.protocol = clp->cl_proto,
+ .nconnect = clp->cl_nconnect,
.address = (struct sockaddr *)&clp->cl_addr,
.addrsize = clp->cl_addrlen,
.timeout = cl_init->timeparms,
@@ -658,6 +661,7 @@ static int nfs_init_server(struct nfs_server *server,
.net = data->net,
.timeparms = &timeparms,
.cred = server->cred,
+ .nconnect = data->nfs_server.nconnect,
};
struct nfs_client *clp;
int error;
@@ -1072,6 +1076,18 @@ void nfs_clients_init(struct net *net)
#endif
spin_lock_init(&nn->nfs_client_lock);
nn->boot_time = ktime_get_real();
+
+ nfs_netns_sysfs_setup(nn, net);
+}
+
+void nfs_clients_exit(struct net *net)
+{
+ struct nfs_net *nn = net_generic(net, nfs_net_id);
+
+ nfs_netns_sysfs_destroy(nn);
+ nfs_cleanup_cb_ident_idr(net);
+ WARN_ON_ONCE(!list_empty(&nn->nfs_client_list));
+ WARN_ON_ONCE(!list_empty(&nn->nfs_volume_list));
}
#ifdef CONFIG_PROC_FS
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 57b6a45576ad..8d501093660f 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -80,6 +80,10 @@ static struct nfs_open_dir_context *alloc_nfs_open_dir_context(struct inode *dir
ctx->dup_cookie = 0;
ctx->cred = get_cred(cred);
spin_lock(&dir->i_lock);
+ if (list_empty(&nfsi->open_files) &&
+ (nfsi->cache_validity & NFS_INO_DATA_INVAL_DEFER))
+ nfsi->cache_validity |= NFS_INO_INVALID_DATA |
+ NFS_INO_REVAL_FORCED;
list_add(&ctx->list, &nfsi->open_files);
spin_unlock(&dir->i_lock);
return ctx;
@@ -140,19 +144,12 @@ struct nfs_cache_array {
struct nfs_cache_array_entry array[0];
};
-struct readdirvec {
- unsigned long nr;
- unsigned long index;
- struct page *pages[NFS_MAX_READDIR_RAPAGES];
-};
-
typedef int (*decode_dirent_t)(struct xdr_stream *, struct nfs_entry *, bool);
typedef struct {
struct file *file;
struct page *page;
struct dir_context *ctx;
unsigned long page_index;
- struct readdirvec pvec;
u64 *dir_cookie;
u64 last_cookie;
loff_t current_index;
@@ -532,10 +529,6 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en
struct nfs_cache_array *array;
unsigned int count = 0;
int status;
- int max_rapages = NFS_MAX_READDIR_RAPAGES;
-
- desc->pvec.index = desc->page_index;
- desc->pvec.nr = 0;
scratch = alloc_page(GFP_KERNEL);
if (scratch == NULL)
@@ -560,40 +553,20 @@ int nfs_readdir_page_filler(nfs_readdir_descriptor_t *desc, struct nfs_entry *en
if (desc->plus)
nfs_prime_dcache(file_dentry(desc->file), entry);
- status = nfs_readdir_add_to_array(entry, desc->pvec.pages[desc->pvec.nr]);
- if (status == -ENOSPC) {
- desc->pvec.nr++;
- if (desc->pvec.nr == max_rapages)
- break;
- status = nfs_readdir_add_to_array(entry, desc->pvec.pages[desc->pvec.nr]);
- }
+ status = nfs_readdir_add_to_array(entry, page);
if (status != 0)
break;
} while (!entry->eof);
- /*
- * page and desc->pvec.pages[0] are valid, don't need to check
- * whether or not to be NULL.
- */
- copy_highpage(page, desc->pvec.pages[0]);
-
out_nopages:
if (count == 0 || (status == -EBADCOOKIE && entry->eof != 0)) {
- array = kmap_atomic(desc->pvec.pages[desc->pvec.nr]);
+ array = kmap(page);
array->eof_index = array->size;
status = 0;
- kunmap_atomic(array);
+ kunmap(page);
}
put_page(scratch);
-
- /*
- * desc->pvec.nr > 0 means at least one page was completely filled,
- * we should return -ENOSPC. Otherwise function
- * nfs_readdir_xdr_to_array will enter infinite loop.
- */
- if (desc->pvec.nr > 0)
- return -ENOSPC;
return status;
}
@@ -627,24 +600,6 @@ out_freepages:
return -ENOMEM;
}
-/*
- * nfs_readdir_rapages_init initialize rapages by nfs_cache_array structure.
- */
-static
-void nfs_readdir_rapages_init(nfs_readdir_descriptor_t *desc)
-{
- struct nfs_cache_array *array;
- int max_rapages = NFS_MAX_READDIR_RAPAGES;
- int index;
-
- for (index = 0; index < max_rapages; index++) {
- array = kmap_atomic(desc->pvec.pages[index]);
- memset(array, 0, sizeof(struct nfs_cache_array));
- array->eof_index = -1;
- kunmap_atomic(array);
- }
-}
-
static
int nfs_readdir_xdr_to_array(nfs_readdir_descriptor_t *desc, struct page *page, struct inode *inode)
{
@@ -655,12 +610,6 @@ int nfs_readdir_xdr_to_array(nfs_readdir_descriptor_t *desc, struct page *page,
int status = -ENOMEM;
unsigned int array_size = ARRAY_SIZE(pages);
- /*
- * This means we hit readdir rdpages miss, the preallocated rdpages
- * are useless, the preallocate rdpages should be reinitialized.
- */
- nfs_readdir_rapages_init(desc);
-
entry.prev_cookie = 0;
entry.cookie = desc->last_cookie;
entry.eof = 0;
@@ -721,24 +670,9 @@ int nfs_readdir_filler(void *data, struct page* page)
struct inode *inode = file_inode(desc->file);
int ret;
- /*
- * If desc->page_index in range desc->pvec.index and
- * desc->pvec.index + desc->pvec.nr, we get readdir cache hit.
- */
- if (desc->page_index >= desc->pvec.index &&
- desc->page_index < (desc->pvec.index + desc->pvec.nr)) {
- /*
- * page and desc->pvec.pages[x] are valid, don't need to check
- * whether or not to be NULL.
- */
- copy_highpage(page, desc->pvec.pages[desc->page_index - desc->pvec.index]);
- ret = 0;
- } else {
- ret = nfs_readdir_xdr_to_array(desc, page, inode);
- if (ret < 0)
- goto error;
- }
-
+ ret = nfs_readdir_xdr_to_array(desc, page, inode);
+ if (ret < 0)
+ goto error;
SetPageUptodate(page);
if (invalidate_inode_pages2_range(inode->i_mapping, page->index + 1, -1) < 0) {
@@ -903,7 +837,6 @@ static int nfs_readdir(struct file *file, struct dir_context *ctx)
*desc = &my_desc;
struct nfs_open_dir_context *dir_ctx = file->private_data;
int res = 0;
- int max_rapages = NFS_MAX_READDIR_RAPAGES;
dfprintk(FILE, "NFS: readdir(%pD2) starting at cookie %llu\n",
file, (long long)ctx->pos);
@@ -923,12 +856,6 @@ static int nfs_readdir(struct file *file, struct dir_context *ctx)
desc->decode = NFS_PROTO(inode)->decode_dirent;
desc->plus = nfs_use_readdirplus(inode, ctx);
- res = nfs_readdir_alloc_pages(desc->pvec.pages, max_rapages);
- if (res < 0)
- return -ENOMEM;
-
- nfs_readdir_rapages_init(desc);
-
if (ctx->pos == 0 || nfs_attribute_cache_expired(inode))
res = nfs_revalidate_mapping(inode, file->f_mapping);
if (res < 0)
@@ -964,7 +891,6 @@ static int nfs_readdir(struct file *file, struct dir_context *ctx)
break;
} while (!desc->eof);
out:
- nfs_readdir_free_pages(desc->pvec.pages, max_rapages);
if (res > 0)
res = 0;
dfprintk(FILE, "NFS: readdir(%pD2) returns %d\n", file, res);
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index bcff3bf5ae09..b04e20d28162 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -934,6 +934,10 @@ out_nolseg:
if (pgio->pg_error < 0)
return;
out_mds:
+ trace_pnfs_mds_fallback_pg_init_read(pgio->pg_inode,
+ 0, NFS4_MAX_UINT64, IOMODE_READ,
+ NFS_I(pgio->pg_inode)->layout,
+ pgio->pg_lseg);
pnfs_put_lseg(pgio->pg_lseg);
pgio->pg_lseg = NULL;
nfs_pageio_reset_read_mds(pgio);
@@ -1000,6 +1004,10 @@ retry:
return;
out_mds:
+ trace_pnfs_mds_fallback_pg_init_write(pgio->pg_inode,
+ 0, NFS4_MAX_UINT64, IOMODE_RW,
+ NFS_I(pgio->pg_inode)->layout,
+ pgio->pg_lseg);
pnfs_put_lseg(pgio->pg_lseg);
pgio->pg_lseg = NULL;
nfs_pageio_reset_write_mds(pgio);
@@ -1026,6 +1034,10 @@ ff_layout_pg_get_mirror_count_write(struct nfs_pageio_descriptor *pgio,
if (pgio->pg_lseg)
return FF_LAYOUT_MIRROR_COUNT(pgio->pg_lseg);
+ trace_pnfs_mds_fallback_pg_get_mirror_count(pgio->pg_inode,
+ 0, NFS4_MAX_UINT64, IOMODE_RW,
+ NFS_I(pgio->pg_inode)->layout,
+ pgio->pg_lseg);
/* no lseg means that pnfs is not in use, so no mirroring here */
nfs_pageio_reset_write_mds(pgio);
out:
@@ -1075,6 +1087,10 @@ static void ff_layout_reset_write(struct nfs_pgio_header *hdr, bool retry_pnfs)
hdr->args.count,
(unsigned long long)hdr->args.offset);
+ trace_pnfs_mds_fallback_write_done(hdr->inode,
+ hdr->args.offset, hdr->args.count,
+ IOMODE_RW, NFS_I(hdr->inode)->layout,
+ hdr->lseg);
task->tk_status = pnfs_write_done_resend_to_mds(hdr);
}
}
@@ -1094,6 +1110,10 @@ static void ff_layout_reset_read(struct nfs_pgio_header *hdr)
hdr->args.count,
(unsigned long long)hdr->args.offset);
+ trace_pnfs_mds_fallback_read_done(hdr->inode,
+ hdr->args.offset, hdr->args.count,
+ IOMODE_READ, NFS_I(hdr->inode)->layout,
+ hdr->lseg);
task->tk_status = pnfs_read_done_resend_to_mds(hdr);
}
}
@@ -1827,6 +1847,9 @@ ff_layout_read_pagelist(struct nfs_pgio_header *hdr)
out_failed:
if (ff_layout_avoid_mds_available_ds(lseg))
return PNFS_TRY_AGAIN;
+ trace_pnfs_mds_fallback_read_pagelist(hdr->inode,
+ hdr->args.offset, hdr->args.count,
+ IOMODE_READ, NFS_I(hdr->inode)->layout, lseg);
return PNFS_NOT_ATTEMPTED;
}
@@ -1892,6 +1915,9 @@ ff_layout_write_pagelist(struct nfs_pgio_header *hdr, int sync)
out_failed:
if (ff_layout_avoid_mds_available_ds(lseg))
return PNFS_TRY_AGAIN;
+ trace_pnfs_mds_fallback_write_pagelist(hdr->inode,
+ hdr->args.offset, hdr->args.count,
+ IOMODE_RW, NFS_I(hdr->inode)->layout, lseg);
return PNFS_NOT_ATTEMPTED;
}
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index 19f856f45689..3eda40a320a5 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -257,7 +257,7 @@ int ff_layout_track_ds_error(struct nfs4_flexfile_layout *flo,
if (status == 0)
return 0;
- if (mirror->mirror_ds == NULL)
+ if (IS_ERR_OR_NULL(mirror->mirror_ds))
return -EINVAL;
dserr = kmalloc(sizeof(*dserr), gfp_flags);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 0b4a1a974411..8a1758200b57 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -51,6 +51,7 @@
#include "pnfs.h"
#include "nfs.h"
#include "netns.h"
+#include "sysfs.h"
#include "nfstrace.h"
@@ -208,7 +209,7 @@ static void nfs_set_cache_invalid(struct inode *inode, unsigned long flags)
}
if (inode->i_mapping->nrpages == 0)
- flags &= ~NFS_INO_INVALID_DATA;
+ flags &= ~(NFS_INO_INVALID_DATA|NFS_INO_DATA_INVAL_DEFER);
nfsi->cache_validity |= flags;
if (flags & NFS_INO_INVALID_DATA)
nfs_fscache_invalidate(inode);
@@ -652,7 +653,8 @@ static int nfs_vmtruncate(struct inode * inode, loff_t offset)
i_size_write(inode, offset);
/* Optimisation */
if (offset == 0)
- NFS_I(inode)->cache_validity &= ~NFS_INO_INVALID_DATA;
+ NFS_I(inode)->cache_validity &= ~(NFS_INO_INVALID_DATA |
+ NFS_INO_DATA_INVAL_DEFER);
NFS_I(inode)->cache_validity &= ~NFS_INO_INVALID_SIZE;
spin_unlock(&inode->i_lock);
@@ -1032,6 +1034,10 @@ void nfs_inode_attach_open_context(struct nfs_open_context *ctx)
struct nfs_inode *nfsi = NFS_I(inode);
spin_lock(&inode->i_lock);
+ if (list_empty(&nfsi->open_files) &&
+ (nfsi->cache_validity & NFS_INO_DATA_INVAL_DEFER))
+ nfsi->cache_validity |= NFS_INO_INVALID_DATA |
+ NFS_INO_REVAL_FORCED;
list_add_tail_rcu(&ctx->list, &nfsi->open_files);
spin_unlock(&inode->i_lock);
}
@@ -1100,6 +1106,7 @@ int nfs_open(struct inode *inode, struct file *filp)
nfs_fscache_open_file(inode, filp);
return 0;
}
+EXPORT_SYMBOL_GPL(nfs_open);
/*
* This function is called whenever some part of NFS notices that
@@ -1312,7 +1319,8 @@ int nfs_revalidate_mapping(struct inode *inode,
set_bit(NFS_INO_INVALIDATING, bitlock);
smp_wmb();
- nfsi->cache_validity &= ~NFS_INO_INVALID_DATA;
+ nfsi->cache_validity &= ~(NFS_INO_INVALID_DATA|
+ NFS_INO_DATA_INVAL_DEFER);
spin_unlock(&inode->i_lock);
trace_nfs_invalidate_mapping_enter(inode);
ret = nfs_invalidate_mapping(inode, mapping);
@@ -1870,7 +1878,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
dprintk("NFS: change_attr change on server for file %s/%ld\n",
inode->i_sb->s_id,
inode->i_ino);
- }
+ } else if (!have_delegation)
+ nfsi->cache_validity |= NFS_INO_DATA_INVAL_DEFER;
inode_set_iversion_raw(inode, fattr->change_attr);
attr_changed = true;
}
@@ -2159,12 +2168,8 @@ static int nfs_net_init(struct net *net)
static void nfs_net_exit(struct net *net)
{
- struct nfs_net *nn = net_generic(net, nfs_net_id);
-
nfs_fs_proc_net_exit(net);
- nfs_cleanup_cb_ident_idr(net);
- WARN_ON_ONCE(!list_empty(&nn->nfs_client_list));
- WARN_ON_ONCE(!list_empty(&nn->nfs_volume_list));
+ nfs_clients_exit(net);
}
static struct pernet_operations nfs_net_ops = {
@@ -2181,6 +2186,10 @@ static int __init init_nfs_fs(void)
{
int err;
+ err = nfs_sysfs_init();
+ if (err < 0)
+ goto out10;
+
err = register_pernet_subsys(&nfs_net_ops);
if (err < 0)
goto out9;
@@ -2244,6 +2253,8 @@ out7:
out8:
unregister_pernet_subsys(&nfs_net_ops);
out9:
+ nfs_sysfs_exit();
+out10:
return err;
}
@@ -2260,6 +2271,7 @@ static void __exit exit_nfs_fs(void)
unregister_nfs_fs();
nfs_fs_proc_exit();
nfsiod_stop();
+ nfs_sysfs_exit();
}
/* Not quite true; I just maintain it */
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 498fab72f70b..a2346a2f8361 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -69,8 +69,7 @@ struct nfs_clone_mount {
* Maximum number of pages that readdir can use for creating
* a vmapped array of pages.
*/
-#define NFS_MAX_READDIR_PAGES 64
-#define NFS_MAX_READDIR_RAPAGES 8
+#define NFS_MAX_READDIR_PAGES 8
struct nfs_client_initdata {
unsigned long init_flags;
@@ -82,6 +81,7 @@ struct nfs_client_initdata {
struct nfs_subversion *nfs_mod;
int proto;
u32 minorversion;
+ unsigned int nconnect;
struct net *net;
const struct rpc_timeout *timeparms;
const struct cred *cred;
@@ -123,6 +123,7 @@ struct nfs_parsed_mount_data {
char *export_path;
int port;
unsigned short protocol;
+ unsigned short nconnect;
} nfs_server;
void *lsm_opts;
@@ -158,6 +159,7 @@ extern void nfs_umount(const struct nfs_mount_request *info);
/* client.c */
extern const struct rpc_program nfs_program;
extern void nfs_clients_init(struct net *net);
+extern void nfs_clients_exit(struct net *net);
extern struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *);
int nfs_create_rpc_client(struct nfs_client *, const struct nfs_client_initdata *, rpc_authflavor_t);
struct nfs_client *nfs_get_client(const struct nfs_client_initdata *);
@@ -170,7 +172,6 @@ int nfs_init_server_rpcclient(struct nfs_server *, const struct rpc_timeout *t,
struct nfs_server *nfs_alloc_server(void);
void nfs_server_copy_userdata(struct nfs_server *, struct nfs_server *);
-extern void nfs_cleanup_cb_ident_idr(struct net *);
extern void nfs_put_client(struct nfs_client *);
extern void nfs_free_client(struct nfs_client *);
extern struct nfs_client *nfs4_find_client_ident(struct net *, int);
diff --git a/fs/nfs/netns.h b/fs/nfs/netns.h
index fc9978c58265..c8374f74dce1 100644
--- a/fs/nfs/netns.h
+++ b/fs/nfs/netns.h
@@ -15,6 +15,8 @@ struct bl_dev_msg {
uint32_t major, minor;
};
+struct nfs_netns_client;
+
struct nfs_net {
struct cache_detail *nfs_dns_resolve;
struct rpc_pipe *bl_device_pipe;
@@ -29,6 +31,7 @@ struct nfs_net {
unsigned short nfs_callback_tcpport6;
int cb_users[NFS4_MAX_MINOR_VERSION + 1];
#endif
+ struct nfs_netns_client *nfs_client;
spinlock_t nfs_client_lock;
ktime_t boot_time;
#ifdef CONFIG_PROC_FS
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c
index 572794dab4b1..cbc17a203248 100644
--- a/fs/nfs/nfs2xdr.c
+++ b/fs/nfs/nfs2xdr.c
@@ -151,7 +151,7 @@ static int decode_stat(struct xdr_stream *xdr, enum nfs_stat *status)
return 0;
out_status:
*status = be32_to_cpup(p);
- trace_nfs_xdr_status((int)*status);
+ trace_nfs_xdr_status(xdr, (int)*status);
return 0;
}
diff --git a/fs/nfs/nfs3client.c b/fs/nfs/nfs3client.c
index fb0c425b5d45..148ceb74d27c 100644
--- a/fs/nfs/nfs3client.c
+++ b/fs/nfs/nfs3client.c
@@ -102,6 +102,9 @@ struct nfs_client *nfs3_set_ds_client(struct nfs_server *mds_srv,
return ERR_PTR(-EINVAL);
cl_init.hostname = buf;
+ if (mds_clp->cl_nconnect > 1 && ds_proto == XPRT_TRANSPORT_TCP)
+ cl_init.nconnect = mds_clp->cl_nconnect;
+
if (mds_srv->flags & NFS_MOUNT_NORESVPORT)
set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags);
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index abbbdde97e31..602767850b36 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -343,7 +343,7 @@ static int decode_nfsstat3(struct xdr_stream *xdr, enum nfs_stat *status)
return 0;
out_status:
*status = be32_to_cpup(p);
- trace_nfs_xdr_status((int)*status);
+ trace_nfs_xdr_status(xdr, (int)*status);
return 0;
}
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 8a38a254f516..d778dad9a75e 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -312,12 +312,12 @@ extern int nfs4_set_rw_stateid(nfs4_stateid *stateid,
const struct nfs_lock_context *l_ctx,
fmode_t fmode);
+extern int nfs4_proc_get_lease_time(struct nfs_client *clp,
+ struct nfs_fsinfo *fsinfo);
#if defined(CONFIG_NFS_V4_1)
extern int nfs41_sequence_done(struct rpc_task *, struct nfs4_sequence_res *);
extern int nfs4_proc_create_session(struct nfs_client *, const struct cred *);
extern int nfs4_proc_destroy_session(struct nfs4_session *, const struct cred *);
-extern int nfs4_proc_get_lease_time(struct nfs_client *clp,
- struct nfs_fsinfo *fsinfo);
extern int nfs4_proc_layoutcommit(struct nfs4_layoutcommit_data *data,
bool sync);
extern int nfs4_detect_session_trunking(struct nfs_client *clp,
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 81b9b6d7927a..616393a01c06 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -859,7 +859,8 @@ static int nfs4_set_client(struct nfs_server *server,
const size_t addrlen,
const char *ip_addr,
int proto, const struct rpc_timeout *timeparms,
- u32 minorversion, struct net *net)
+ u32 minorversion, unsigned int nconnect,
+ struct net *net)
{
struct nfs_client_initdata cl_init = {
.hostname = hostname,
@@ -875,6 +876,8 @@ static int nfs4_set_client(struct nfs_server *server,
};
struct nfs_client *clp;
+ if (minorversion > 0 && proto == XPRT_TRANSPORT_TCP)
+ cl_init.nconnect = nconnect;
if (server->flags & NFS_MOUNT_NORESVPORT)
set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags);
if (server->options & NFS_OPTION_MIGRATION)
@@ -941,6 +944,9 @@ struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv,
return ERR_PTR(-EINVAL);
cl_init.hostname = buf;
+ if (mds_clp->cl_nconnect > 1 && ds_proto == XPRT_TRANSPORT_TCP)
+ cl_init.nconnect = mds_clp->cl_nconnect;
+
if (mds_srv->flags & NFS_MOUNT_NORESVPORT)
__set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags);
@@ -1074,6 +1080,7 @@ static int nfs4_init_server(struct nfs_server *server,
data->nfs_server.protocol,
&timeparms,
data->minorversion,
+ data->nfs_server.nconnect,
data->net);
if (error < 0)
return error;
@@ -1163,6 +1170,7 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data,
XPRT_TRANSPORT_RDMA,
parent_server->client->cl_timeout,
parent_client->cl_mvops->minor_version,
+ parent_client->cl_nconnect,
parent_client->cl_net);
if (!error)
goto init_server;
@@ -1176,6 +1184,7 @@ struct nfs_server *nfs4_create_referral_server(struct nfs_clone_mount *data,
XPRT_TRANSPORT_TCP,
parent_server->client->cl_timeout,
parent_client->cl_mvops->minor_version,
+ parent_client->cl_nconnect,
parent_client->cl_net);
if (error < 0)
goto error;
@@ -1271,7 +1280,8 @@ int nfs4_update_server(struct nfs_server *server, const char *hostname,
set_bit(NFS_MIG_TSM_POSSIBLE, &server->mig_status);
error = nfs4_set_client(server, hostname, sap, salen, buf,
clp->cl_proto, clnt->cl_timeout,
- clp->cl_minorversion, net);
+ clp->cl_minorversion,
+ clp->cl_nconnect, net);
clear_bit(NFS_MIG_TSM_POSSIBLE, &server->mig_status);
if (error != 0) {
nfs_server_insert_lists(server);
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index f4157eb1f69d..96db471ca2e5 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -49,7 +49,7 @@ nfs4_file_open(struct inode *inode, struct file *filp)
return err;
if ((openflags & O_ACCMODE) == 3)
- openflags--;
+ return nfs_open(inode, filp);
/* We can't create new files here */
openflags &= ~(O_CREAT|O_EXCL);
@@ -204,7 +204,11 @@ static loff_t nfs42_remap_file_range(struct file *src_file, loff_t src_off,
bool same_inode = false;
int ret;
- if (remap_flags & ~(REMAP_FILE_DEDUP | REMAP_FILE_ADVISORY))
+ /* NFS does not support deduplication. */
+ if (remap_flags & REMAP_FILE_DEDUP)
+ return -EOPNOTSUPP;
+
+ if (remap_flags & ~REMAP_FILE_ADVISORY)
return -EINVAL;
/* check alignment w.r.t. clone_blksize */
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 6418cb6c079b..39896afc6edf 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -428,6 +428,22 @@ static int nfs4_delay(long *timeout, bool interruptible)
return nfs4_delay_killable(timeout);
}
+static const nfs4_stateid *
+nfs4_recoverable_stateid(const nfs4_stateid *stateid)
+{
+ if (!stateid)
+ return NULL;
+ switch (stateid->type) {
+ case NFS4_OPEN_STATEID_TYPE:
+ case NFS4_LOCK_STATEID_TYPE:
+ case NFS4_DELEGATION_STATEID_TYPE:
+ return stateid;
+ default:
+ break;
+ }
+ return NULL;
+}
+
/* This is the error handling routine for processes that are allowed
* to sleep.
*/
@@ -436,7 +452,7 @@ static int nfs4_do_handle_exception(struct nfs_server *server,
{
struct nfs_client *clp = server->nfs_client;
struct nfs4_state *state = exception->state;
- const nfs4_stateid *stateid = exception->stateid;
+ const nfs4_stateid *stateid;
struct inode *inode = exception->inode;
int ret = errorcode;
@@ -444,8 +460,9 @@ static int nfs4_do_handle_exception(struct nfs_server *server,
exception->recovering = 0;
exception->retry = 0;
+ stateid = nfs4_recoverable_stateid(exception->stateid);
if (stateid == NULL && state != NULL)
- stateid = &state->stateid;
+ stateid = nfs4_recoverable_stateid(&state->stateid);
switch(errorcode) {
case 0:
@@ -1165,6 +1182,18 @@ static bool nfs4_clear_cap_atomic_open_v1(struct nfs_server *server,
return true;
}
+static fmode_t _nfs4_ctx_to_accessmode(const struct nfs_open_context *ctx)
+{
+ return ctx->mode & (FMODE_READ|FMODE_WRITE|FMODE_EXEC);
+}
+
+static fmode_t _nfs4_ctx_to_openmode(const struct nfs_open_context *ctx)
+{
+ fmode_t ret = ctx->mode & (FMODE_READ|FMODE_WRITE);
+
+ return (ctx->mode & FMODE_EXEC) ? FMODE_READ | ret : ret;
+}
+
static u32
nfs4_map_atomic_open_share(struct nfs_server *server,
fmode_t fmode, int openflags)
@@ -2900,14 +2929,13 @@ static unsigned nfs4_exclusive_attrset(struct nfs4_opendata *opendata,
}
static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
- fmode_t fmode,
- int flags,
- struct nfs_open_context *ctx)
+ int flags, struct nfs_open_context *ctx)
{
struct nfs4_state_owner *sp = opendata->owner;
struct nfs_server *server = sp->so_server;
struct dentry *dentry;
struct nfs4_state *state;
+ fmode_t acc_mode = _nfs4_ctx_to_accessmode(ctx);
unsigned int seq;
int ret;
@@ -2946,7 +2974,8 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
/* Parse layoutget results before we check for access */
pnfs_parse_lgopen(state->inode, opendata->lgp, ctx);
- ret = nfs4_opendata_access(sp->so_cred, opendata, state, fmode, flags);
+ ret = nfs4_opendata_access(sp->so_cred, opendata, state,
+ acc_mode, flags);
if (ret != 0)
goto out;
@@ -2978,7 +3007,7 @@ static int _nfs4_do_open(struct inode *dir,
struct dentry *dentry = ctx->dentry;
const struct cred *cred = ctx->cred;
struct nfs4_threshold **ctx_th = &ctx->mdsthreshold;
- fmode_t fmode = ctx->mode & (FMODE_READ|FMODE_WRITE|FMODE_EXEC);
+ fmode_t fmode = _nfs4_ctx_to_openmode(ctx);
enum open_claim_type4 claim = NFS4_OPEN_CLAIM_NULL;
struct iattr *sattr = c->sattr;
struct nfs4_label *label = c->label;
@@ -3024,7 +3053,7 @@ static int _nfs4_do_open(struct inode *dir,
if (d_really_is_positive(dentry))
opendata->state = nfs4_get_open_state(d_inode(dentry), sp);
- status = _nfs4_open_and_get_state(opendata, fmode, flags, ctx);
+ status = _nfs4_open_and_get_state(opendata, flags, ctx);
if (status != 0)
goto err_free_label;
state = ctx->state;
@@ -3594,9 +3623,9 @@ static void nfs4_close_context(struct nfs_open_context *ctx, int is_sync)
if (ctx->state == NULL)
return;
if (is_sync)
- nfs4_close_sync(ctx->state, ctx->mode);
+ nfs4_close_sync(ctx->state, _nfs4_ctx_to_openmode(ctx));
else
- nfs4_close_state(ctx->state, ctx->mode);
+ nfs4_close_state(ctx->state, _nfs4_ctx_to_openmode(ctx));
}
#define FATTR4_WORD1_NFS40_MASK (2*FATTR4_WORD1_MOUNTED_ON_FILEID - 1UL)
@@ -5980,7 +6009,7 @@ int nfs4_proc_setclientid(struct nfs_client *clp, u32 program,
.rpc_message = &msg,
.callback_ops = &nfs4_setclientid_ops,
.callback_data = &setclientid,
- .flags = RPC_TASK_TIMEOUT,
+ .flags = RPC_TASK_TIMEOUT | RPC_TASK_NO_ROUND_ROBIN,
};
int status;
@@ -6046,7 +6075,8 @@ int nfs4_proc_setclientid_confirm(struct nfs_client *clp,
dprintk("NFS call setclientid_confirm auth=%s, (client ID %llx)\n",
clp->cl_rpcclient->cl_auth->au_ops->au_name,
clp->cl_clientid);
- status = rpc_call_sync(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT);
+ status = rpc_call_sync(clp->cl_rpcclient, &msg,
+ RPC_TASK_TIMEOUT | RPC_TASK_NO_ROUND_ROBIN);
trace_nfs4_setclientid_confirm(clp, status);
dprintk("NFS reply setclientid_confirm: %d\n", status);
return status;
@@ -7627,7 +7657,7 @@ static int _nfs4_proc_secinfo(struct inode *dir, const struct qstr *name, struct
NFS_SP4_MACH_CRED_SECINFO, &clnt, &msg);
status = nfs4_call_sync(clnt, NFS_SERVER(dir), &msg, &args.seq_args,
- &res.seq_res, 0);
+ &res.seq_res, RPC_TASK_NO_ROUND_ROBIN);
dprintk("NFS reply secinfo: %d\n", status);
put_cred(cred);
@@ -7965,7 +7995,7 @@ nfs4_run_exchange_id(struct nfs_client *clp, const struct cred *cred,
.rpc_client = clp->cl_rpcclient,
.callback_ops = &nfs4_exchange_id_call_ops,
.rpc_message = &msg,
- .flags = RPC_TASK_TIMEOUT,
+ .flags = RPC_TASK_TIMEOUT | RPC_TASK_NO_ROUND_ROBIN,
};
struct nfs41_exchange_id_data *calldata;
int status;
@@ -8190,7 +8220,8 @@ static int _nfs4_proc_destroy_clientid(struct nfs_client *clp,
};
int status;
- status = rpc_call_sync(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT);
+ status = rpc_call_sync(clp->cl_rpcclient, &msg,
+ RPC_TASK_TIMEOUT | RPC_TASK_NO_ROUND_ROBIN);
trace_nfs4_destroy_clientid(clp, status);
if (status)
dprintk("NFS: Got error %d from the server %s on "
@@ -8241,6 +8272,8 @@ out:
return ret;
}
+#endif /* CONFIG_NFS_V4_1 */
+
struct nfs4_get_lease_time_data {
struct nfs4_get_lease_time_args *args;
struct nfs4_get_lease_time_res *res;
@@ -8273,7 +8306,7 @@ static void nfs4_get_lease_time_done(struct rpc_task *task, void *calldata)
(struct nfs4_get_lease_time_data *)calldata;
dprintk("--> %s\n", __func__);
- if (!nfs41_sequence_done(task, &data->res->lr_seq_res))
+ if (!nfs4_sequence_done(task, &data->res->lr_seq_res))
return;
switch (task->tk_status) {
case -NFS4ERR_DELAY:
@@ -8331,6 +8364,8 @@ int nfs4_proc_get_lease_time(struct nfs_client *clp, struct nfs_fsinfo *fsinfo)
return status;
}
+#ifdef CONFIG_NFS_V4_1
+
/*
* Initialize the values to be used by the client in CREATE_SESSION
* If nfs4_init_session set the fore channel request and response sizes,
@@ -8345,6 +8380,7 @@ static void nfs4_init_channel_attrs(struct nfs41_create_session_args *args,
{
unsigned int max_rqst_sz, max_resp_sz;
unsigned int max_bc_payload = rpc_max_bc_payload(clnt);
+ unsigned int max_bc_slots = rpc_num_bc_slots(clnt);
max_rqst_sz = NFS_MAX_FILE_IO_SIZE + nfs41_maxwrite_overhead;
max_resp_sz = NFS_MAX_FILE_IO_SIZE + nfs41_maxread_overhead;
@@ -8367,6 +8403,8 @@ static void nfs4_init_channel_attrs(struct nfs41_create_session_args *args,
args->bc_attrs.max_resp_sz_cached = 0;
args->bc_attrs.max_ops = NFS4_MAX_BACK_CHANNEL_OPS;
args->bc_attrs.max_reqs = max_t(unsigned short, max_session_cb_slots, 1);
+ if (args->bc_attrs.max_reqs > max_bc_slots)
+ args->bc_attrs.max_reqs = max_bc_slots;
dprintk("%s: Back Channel : max_rqst_sz=%u max_resp_sz=%u "
"max_resp_sz_cached=%u max_ops=%u max_reqs=%u\n",
@@ -8469,7 +8507,8 @@ static int _nfs4_proc_create_session(struct nfs_client *clp,
nfs4_init_channel_attrs(&args, clp->cl_rpcclient);
args.flags = (SESSION4_PERSIST | SESSION4_BACK_CHAN);
- status = rpc_call_sync(session->clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT);
+ status = rpc_call_sync(session->clp->cl_rpcclient, &msg,
+ RPC_TASK_TIMEOUT | RPC_TASK_NO_ROUND_ROBIN);
trace_nfs4_create_session(clp, status);
switch (status) {
@@ -8545,7 +8584,8 @@ int nfs4_proc_destroy_session(struct nfs4_session *session,
if (!test_and_clear_bit(NFS4_SESSION_ESTABLISHED, &session->session_state))
return 0;
- status = rpc_call_sync(session->clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT);
+ status = rpc_call_sync(session->clp->cl_rpcclient, &msg,
+ RPC_TASK_TIMEOUT | RPC_TASK_NO_ROUND_ROBIN);
trace_nfs4_destroy_session(session->clp, status);
if (status)
@@ -8799,7 +8839,7 @@ static int nfs41_proc_reclaim_complete(struct nfs_client *clp,
.rpc_client = clp->cl_rpcclient,
.rpc_message = &msg,
.callback_ops = &nfs4_reclaim_complete_call_ops,
- .flags = RPC_TASK_ASYNC,
+ .flags = RPC_TASK_ASYNC | RPC_TASK_NO_ROUND_ROBIN,
};
int status = -ENOMEM;
@@ -9318,7 +9358,7 @@ _nfs41_proc_secinfo_no_name(struct nfs_server *server, struct nfs_fh *fhandle,
dprintk("--> %s\n", __func__);
status = nfs4_call_sync(clnt, server, &msg, &args.seq_args,
- &res.seq_res, 0);
+ &res.seq_res, RPC_TASK_NO_ROUND_ROBIN);
dprintk("<-- %s status=%d\n", __func__, status);
put_cred(cred);
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index e2e3c4f04d3e..9afd051a4876 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -87,6 +87,27 @@ const nfs4_stateid current_stateid = {
static DEFINE_MUTEX(nfs_clid_init_mutex);
+static int nfs4_setup_state_renewal(struct nfs_client *clp)
+{
+ int status;
+ struct nfs_fsinfo fsinfo;
+ unsigned long now;
+
+ if (!test_bit(NFS_CS_CHECK_LEASE_TIME, &clp->cl_res_state)) {
+ nfs4_schedule_state_renewal(clp);
+ return 0;
+ }
+
+ now = jiffies;
+ status = nfs4_proc_get_lease_time(clp, &fsinfo);
+ if (status == 0) {
+ nfs4_set_lease_period(clp, fsinfo.lease_time * HZ, now);
+ nfs4_schedule_state_renewal(clp);
+ }
+
+ return status;
+}
+
int nfs4_init_clientid(struct nfs_client *clp, const struct cred *cred)
{
struct nfs4_setclientid_res clid = {
@@ -114,7 +135,7 @@ do_confirm:
if (status != 0)
goto out;
clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
- nfs4_schedule_state_renewal(clp);
+ nfs4_setup_state_renewal(clp);
out:
return status;
}
@@ -286,34 +307,13 @@ static int nfs4_begin_drain_session(struct nfs_client *clp)
#if defined(CONFIG_NFS_V4_1)
-static int nfs41_setup_state_renewal(struct nfs_client *clp)
-{
- int status;
- struct nfs_fsinfo fsinfo;
- unsigned long now;
-
- if (!test_bit(NFS_CS_CHECK_LEASE_TIME, &clp->cl_res_state)) {
- nfs4_schedule_state_renewal(clp);
- return 0;
- }
-
- now = jiffies;
- status = nfs4_proc_get_lease_time(clp, &fsinfo);
- if (status == 0) {
- nfs4_set_lease_period(clp, fsinfo.lease_time * HZ, now);
- nfs4_schedule_state_renewal(clp);
- }
-
- return status;
-}
-
static void nfs41_finish_session_reset(struct nfs_client *clp)
{
clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
clear_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state);
/* create_session negotiated new slot table */
clear_bit(NFS4CLNT_BIND_CONN_TO_SESSION, &clp->cl_state);
- nfs41_setup_state_renewal(clp);
+ nfs4_setup_state_renewal(clp);
}
int nfs41_init_clientid(struct nfs_client *clp, const struct cred *cred)
@@ -1064,8 +1064,7 @@ int nfs4_select_rw_stateid(struct nfs4_state *state,
* choose to use.
*/
goto out;
- nfs4_copy_open_stateid(dst, state);
- ret = 0;
+ ret = nfs4_copy_open_stateid(dst, state) ? 0 : -EAGAIN;
out:
if (nfs_server_capable(state->inode, NFS_CAP_STATEID_NFSV41))
dst->seqid = 0;
diff --git a/fs/nfs/nfs4trace.c b/fs/nfs/nfs4trace.c
index e9fb3e50a999..1a8f376b3f73 100644
--- a/fs/nfs/nfs4trace.c
+++ b/fs/nfs/nfs4trace.c
@@ -16,4 +16,12 @@
EXPORT_TRACEPOINT_SYMBOL_GPL(nfs4_pnfs_read);
EXPORT_TRACEPOINT_SYMBOL_GPL(nfs4_pnfs_write);
EXPORT_TRACEPOINT_SYMBOL_GPL(nfs4_pnfs_commit_ds);
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_pg_init_read);
+EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_pg_init_write);
+EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_pg_get_mirror_count);
+EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_read_done);
+EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_write_done);
+EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_read_pagelist);
+EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_write_pagelist);
#endif
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index cd1a5c08da9a..b2f395fa7350 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -156,7 +156,7 @@ TRACE_DEFINE_ENUM(NFS4ERR_WRONG_TYPE);
TRACE_DEFINE_ENUM(NFS4ERR_XDEV);
#define show_nfsv4_errors(error) \
- __print_symbolic(-(error), \
+ __print_symbolic(error, \
{ NFS4_OK, "OK" }, \
/* Mapped by nfs4_stat_to_errno() */ \
{ EPERM, "EPERM" }, \
@@ -348,7 +348,7 @@ DECLARE_EVENT_CLASS(nfs4_clientid_event,
TP_STRUCT__entry(
__string(dstaddr, clp->cl_hostname)
- __field(int, error)
+ __field(unsigned long, error)
),
TP_fast_assign(
@@ -357,8 +357,8 @@ DECLARE_EVENT_CLASS(nfs4_clientid_event,
),
TP_printk(
- "error=%d (%s) dstaddr=%s",
- __entry->error,
+ "error=%ld (%s) dstaddr=%s",
+ -__entry->error,
show_nfsv4_errors(__entry->error),
__get_str(dstaddr)
)
@@ -420,7 +420,7 @@ TRACE_EVENT(nfs4_sequence_done,
__field(unsigned int, highest_slotid)
__field(unsigned int, target_highest_slotid)
__field(unsigned int, status_flags)
- __field(int, error)
+ __field(unsigned long, error)
),
TP_fast_assign(
@@ -435,10 +435,10 @@ TRACE_EVENT(nfs4_sequence_done,
__entry->error = res->sr_status;
),
TP_printk(
- "error=%d (%s) session=0x%08x slot_nr=%u seq_nr=%u "
+ "error=%ld (%s) session=0x%08x slot_nr=%u seq_nr=%u "
"highest_slotid=%u target_highest_slotid=%u "
"status_flags=%u (%s)",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
__entry->session,
__entry->slot_nr,
@@ -467,7 +467,7 @@ TRACE_EVENT(nfs4_cb_sequence,
__field(unsigned int, seq_nr)
__field(unsigned int, highest_slotid)
__field(unsigned int, cachethis)
- __field(int, error)
+ __field(unsigned long, error)
),
TP_fast_assign(
@@ -476,13 +476,13 @@ TRACE_EVENT(nfs4_cb_sequence,
__entry->seq_nr = args->csa_sequenceid;
__entry->highest_slotid = args->csa_highestslotid;
__entry->cachethis = args->csa_cachethis;
- __entry->error = -be32_to_cpu(status);
+ __entry->error = be32_to_cpu(status);
),
TP_printk(
- "error=%d (%s) session=0x%08x slot_nr=%u seq_nr=%u "
+ "error=%ld (%s) session=0x%08x slot_nr=%u seq_nr=%u "
"highest_slotid=%u",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
__entry->session,
__entry->slot_nr,
@@ -490,6 +490,44 @@ TRACE_EVENT(nfs4_cb_sequence,
__entry->highest_slotid
)
);
+
+TRACE_EVENT(nfs4_cb_seqid_err,
+ TP_PROTO(
+ const struct cb_sequenceargs *args,
+ __be32 status
+ ),
+ TP_ARGS(args, status),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, session)
+ __field(unsigned int, slot_nr)
+ __field(unsigned int, seq_nr)
+ __field(unsigned int, highest_slotid)
+ __field(unsigned int, cachethis)
+ __field(unsigned long, error)
+ ),
+
+ TP_fast_assign(
+ __entry->session = nfs_session_id_hash(&args->csa_sessionid);
+ __entry->slot_nr = args->csa_slotid;
+ __entry->seq_nr = args->csa_sequenceid;
+ __entry->highest_slotid = args->csa_highestslotid;
+ __entry->cachethis = args->csa_cachethis;
+ __entry->error = be32_to_cpu(status);
+ ),
+
+ TP_printk(
+ "error=%ld (%s) session=0x%08x slot_nr=%u seq_nr=%u "
+ "highest_slotid=%u",
+ -__entry->error,
+ show_nfsv4_errors(__entry->error),
+ __entry->session,
+ __entry->slot_nr,
+ __entry->seq_nr,
+ __entry->highest_slotid
+ )
+);
+
#endif /* CONFIG_NFS_V4_1 */
TRACE_EVENT(nfs4_setup_sequence,
@@ -526,26 +564,37 @@ TRACE_EVENT(nfs4_setup_sequence,
TRACE_EVENT(nfs4_xdr_status,
TP_PROTO(
+ const struct xdr_stream *xdr,
u32 op,
int error
),
- TP_ARGS(op, error),
+ TP_ARGS(xdr, op, error),
TP_STRUCT__entry(
+ __field(unsigned int, task_id)
+ __field(unsigned int, client_id)
+ __field(u32, xid)
__field(u32, op)
- __field(int, error)
+ __field(unsigned long, error)
),
TP_fast_assign(
+ const struct rpc_rqst *rqstp = xdr->rqst;
+ const struct rpc_task *task = rqstp->rq_task;
+
+ __entry->task_id = task->tk_pid;
+ __entry->client_id = task->tk_client->cl_clid;
+ __entry->xid = be32_to_cpu(rqstp->rq_xid);
__entry->op = op;
- __entry->error = -error;
+ __entry->error = error;
),
TP_printk(
- "operation %d: nfs status %d (%s)",
- __entry->op,
- __entry->error, show_nfsv4_errors(__entry->error)
+ "task:%u@%d xid=0x%08x error=%ld (%s) operation=%u",
+ __entry->task_id, __entry->client_id, __entry->xid,
+ -__entry->error, show_nfsv4_errors(__entry->error),
+ __entry->op
)
);
@@ -559,7 +608,7 @@ DECLARE_EVENT_CLASS(nfs4_open_event,
TP_ARGS(ctx, flags, error),
TP_STRUCT__entry(
- __field(int, error)
+ __field(unsigned long, error)
__field(unsigned int, flags)
__field(unsigned int, fmode)
__field(dev_t, dev)
@@ -577,7 +626,7 @@ DECLARE_EVENT_CLASS(nfs4_open_event,
const struct nfs4_state *state = ctx->state;
const struct inode *inode = NULL;
- __entry->error = error;
+ __entry->error = -error;
__entry->flags = flags;
__entry->fmode = (__force unsigned int)ctx->mode;
__entry->dev = ctx->dentry->d_sb->s_dev;
@@ -609,11 +658,11 @@ DECLARE_EVENT_CLASS(nfs4_open_event,
),
TP_printk(
- "error=%d (%s) flags=%d (%s) fmode=%s "
+ "error=%ld (%s) flags=%d (%s) fmode=%s "
"fileid=%02x:%02x:%llu fhandle=0x%08x "
"name=%02x:%02x:%llu/%s stateid=%d:0x%08x "
"openstateid=%d:0x%08x",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
__entry->flags,
show_open_flags(__entry->flags),
@@ -695,7 +744,7 @@ TRACE_EVENT(nfs4_close,
__field(u32, fhandle)
__field(u64, fileid)
__field(unsigned int, fmode)
- __field(int, error)
+ __field(unsigned long, error)
__field(int, stateid_seq)
__field(u32, stateid_hash)
),
@@ -715,9 +764,9 @@ TRACE_EVENT(nfs4_close,
),
TP_printk(
- "error=%d (%s) fmode=%s fileid=%02x:%02x:%llu "
+ "error=%ld (%s) fmode=%s fileid=%02x:%02x:%llu "
"fhandle=0x%08x openstateid=%d:0x%08x",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
__entry->fmode ? show_fmode_flags(__entry->fmode) :
"closed",
@@ -757,7 +806,7 @@ DECLARE_EVENT_CLASS(nfs4_lock_event,
TP_ARGS(request, state, cmd, error),
TP_STRUCT__entry(
- __field(int, error)
+ __field(unsigned long, error)
__field(int, cmd)
__field(char, type)
__field(loff_t, start)
@@ -787,10 +836,10 @@ DECLARE_EVENT_CLASS(nfs4_lock_event,
),
TP_printk(
- "error=%d (%s) cmd=%s:%s range=%lld:%lld "
+ "error=%ld (%s) cmd=%s:%s range=%lld:%lld "
"fileid=%02x:%02x:%llu fhandle=0x%08x "
"stateid=%d:0x%08x",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
show_lock_cmd(__entry->cmd),
show_lock_type(__entry->type),
@@ -827,7 +876,7 @@ TRACE_EVENT(nfs4_set_lock,
TP_ARGS(request, state, lockstateid, cmd, error),
TP_STRUCT__entry(
- __field(int, error)
+ __field(unsigned long, error)
__field(int, cmd)
__field(char, type)
__field(loff_t, start)
@@ -863,10 +912,10 @@ TRACE_EVENT(nfs4_set_lock,
),
TP_printk(
- "error=%d (%s) cmd=%s:%s range=%lld:%lld "
+ "error=%ld (%s) cmd=%s:%s range=%lld:%lld "
"fileid=%02x:%02x:%llu fhandle=0x%08x "
"stateid=%d:0x%08x lockstateid=%d:0x%08x",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
show_lock_cmd(__entry->cmd),
show_lock_type(__entry->type),
@@ -932,7 +981,7 @@ TRACE_EVENT(nfs4_delegreturn_exit,
TP_STRUCT__entry(
__field(dev_t, dev)
__field(u32, fhandle)
- __field(int, error)
+ __field(unsigned long, error)
__field(int, stateid_seq)
__field(u32, stateid_hash)
),
@@ -948,9 +997,9 @@ TRACE_EVENT(nfs4_delegreturn_exit,
),
TP_printk(
- "error=%d (%s) dev=%02x:%02x fhandle=0x%08x "
+ "error=%ld (%s) dev=%02x:%02x fhandle=0x%08x "
"stateid=%d:0x%08x",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->fhandle,
@@ -969,7 +1018,7 @@ DECLARE_EVENT_CLASS(nfs4_test_stateid_event,
TP_ARGS(state, lsp, error),
TP_STRUCT__entry(
- __field(int, error)
+ __field(unsigned long, error)
__field(dev_t, dev)
__field(u32, fhandle)
__field(u64, fileid)
@@ -991,9 +1040,9 @@ DECLARE_EVENT_CLASS(nfs4_test_stateid_event,
),
TP_printk(
- "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
"stateid=%d:0x%08x",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
@@ -1026,7 +1075,7 @@ DECLARE_EVENT_CLASS(nfs4_lookup_event,
TP_STRUCT__entry(
__field(dev_t, dev)
- __field(int, error)
+ __field(unsigned long, error)
__field(u64, dir)
__string(name, name->name)
),
@@ -1034,13 +1083,13 @@ DECLARE_EVENT_CLASS(nfs4_lookup_event,
TP_fast_assign(
__entry->dev = dir->i_sb->s_dev;
__entry->dir = NFS_FILEID(dir);
- __entry->error = error;
+ __entry->error = -error;
__assign_str(name, name->name);
),
TP_printk(
- "error=%d (%s) name=%02x:%02x:%llu/%s",
- __entry->error,
+ "error=%ld (%s) name=%02x:%02x:%llu/%s",
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->dir,
@@ -1076,7 +1125,7 @@ TRACE_EVENT(nfs4_lookupp,
TP_STRUCT__entry(
__field(dev_t, dev)
__field(u64, ino)
- __field(int, error)
+ __field(unsigned long, error)
),
TP_fast_assign(
@@ -1086,8 +1135,8 @@ TRACE_EVENT(nfs4_lookupp,
),
TP_printk(
- "error=%d (%s) inode=%02x:%02x:%llu",
- __entry->error,
+ "error=%ld (%s) inode=%02x:%02x:%llu",
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->ino
@@ -1107,7 +1156,7 @@ TRACE_EVENT(nfs4_rename,
TP_STRUCT__entry(
__field(dev_t, dev)
- __field(int, error)
+ __field(unsigned long, error)
__field(u64, olddir)
__string(oldname, oldname->name)
__field(u64, newdir)
@@ -1124,9 +1173,9 @@ TRACE_EVENT(nfs4_rename,
),
TP_printk(
- "error=%d (%s) oldname=%02x:%02x:%llu/%s "
+ "error=%ld (%s) oldname=%02x:%02x:%llu/%s "
"newname=%02x:%02x:%llu/%s",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->olddir,
@@ -1149,19 +1198,19 @@ DECLARE_EVENT_CLASS(nfs4_inode_event,
__field(dev_t, dev)
__field(u32, fhandle)
__field(u64, fileid)
- __field(int, error)
+ __field(unsigned long, error)
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->fileid = NFS_FILEID(inode);
__entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
),
TP_printk(
- "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x",
- __entry->error,
+ "error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x",
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
@@ -1200,7 +1249,7 @@ DECLARE_EVENT_CLASS(nfs4_inode_stateid_event,
__field(dev_t, dev)
__field(u32, fhandle)
__field(u64, fileid)
- __field(int, error)
+ __field(unsigned long, error)
__field(int, stateid_seq)
__field(u32, stateid_hash)
),
@@ -1217,9 +1266,9 @@ DECLARE_EVENT_CLASS(nfs4_inode_stateid_event,
),
TP_printk(
- "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
"stateid=%d:0x%08x",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
@@ -1257,7 +1306,7 @@ DECLARE_EVENT_CLASS(nfs4_getattr_event,
__field(u32, fhandle)
__field(u64, fileid)
__field(unsigned int, valid)
- __field(int, error)
+ __field(unsigned long, error)
),
TP_fast_assign(
@@ -1269,9 +1318,9 @@ DECLARE_EVENT_CLASS(nfs4_getattr_event,
),
TP_printk(
- "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
"valid=%s",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
@@ -1304,7 +1353,7 @@ DECLARE_EVENT_CLASS(nfs4_inode_callback_event,
TP_ARGS(clp, fhandle, inode, error),
TP_STRUCT__entry(
- __field(int, error)
+ __field(unsigned long, error)
__field(dev_t, dev)
__field(u32, fhandle)
__field(u64, fileid)
@@ -1325,9 +1374,9 @@ DECLARE_EVENT_CLASS(nfs4_inode_callback_event,
),
TP_printk(
- "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
"dstaddr=%s",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
@@ -1359,7 +1408,7 @@ DECLARE_EVENT_CLASS(nfs4_inode_stateid_callback_event,
TP_ARGS(clp, fhandle, inode, stateid, error),
TP_STRUCT__entry(
- __field(int, error)
+ __field(unsigned long, error)
__field(dev_t, dev)
__field(u32, fhandle)
__field(u64, fileid)
@@ -1386,9 +1435,9 @@ DECLARE_EVENT_CLASS(nfs4_inode_stateid_callback_event,
),
TP_printk(
- "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
"stateid=%d:0x%08x dstaddr=%s",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
@@ -1422,7 +1471,7 @@ DECLARE_EVENT_CLASS(nfs4_idmap_event,
TP_ARGS(name, len, id, error),
TP_STRUCT__entry(
- __field(int, error)
+ __field(unsigned long, error)
__field(u32, id)
__dynamic_array(char, name, len > 0 ? len + 1 : 1)
),
@@ -1437,8 +1486,8 @@ DECLARE_EVENT_CLASS(nfs4_idmap_event,
),
TP_printk(
- "error=%d id=%u name=%s",
- __entry->error,
+ "error=%ld (%s) id=%u name=%s",
+ -__entry->error, show_nfsv4_errors(__entry->error),
__entry->id,
__get_str(name)
)
@@ -1471,7 +1520,7 @@ DECLARE_EVENT_CLASS(nfs4_read_event,
__field(u64, fileid)
__field(loff_t, offset)
__field(size_t, count)
- __field(int, error)
+ __field(unsigned long, error)
__field(int, stateid_seq)
__field(u32, stateid_hash)
),
@@ -1485,7 +1534,7 @@ DECLARE_EVENT_CLASS(nfs4_read_event,
__entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
__entry->offset = hdr->args.offset;
__entry->count = hdr->args.count;
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->stateid_seq =
be32_to_cpu(state->stateid.seqid);
__entry->stateid_hash =
@@ -1493,9 +1542,9 @@ DECLARE_EVENT_CLASS(nfs4_read_event,
),
TP_printk(
- "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
"offset=%lld count=%zu stateid=%d:0x%08x",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
@@ -1531,7 +1580,7 @@ DECLARE_EVENT_CLASS(nfs4_write_event,
__field(u64, fileid)
__field(loff_t, offset)
__field(size_t, count)
- __field(int, error)
+ __field(unsigned long, error)
__field(int, stateid_seq)
__field(u32, stateid_hash)
),
@@ -1545,7 +1594,7 @@ DECLARE_EVENT_CLASS(nfs4_write_event,
__entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
__entry->offset = hdr->args.offset;
__entry->count = hdr->args.count;
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->stateid_seq =
be32_to_cpu(state->stateid.seqid);
__entry->stateid_hash =
@@ -1553,9 +1602,9 @@ DECLARE_EVENT_CLASS(nfs4_write_event,
),
TP_printk(
- "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
"offset=%lld count=%zu stateid=%d:0x%08x",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
@@ -1592,7 +1641,7 @@ DECLARE_EVENT_CLASS(nfs4_commit_event,
__field(u64, fileid)
__field(loff_t, offset)
__field(size_t, count)
- __field(int, error)
+ __field(unsigned long, error)
),
TP_fast_assign(
@@ -1606,9 +1655,9 @@ DECLARE_EVENT_CLASS(nfs4_commit_event,
),
TP_printk(
- "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
"offset=%lld count=%zu",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
@@ -1656,7 +1705,7 @@ TRACE_EVENT(nfs4_layoutget,
__field(u32, iomode)
__field(u64, offset)
__field(u64, count)
- __field(int, error)
+ __field(unsigned long, error)
__field(int, stateid_seq)
__field(u32, stateid_hash)
__field(int, layoutstateid_seq)
@@ -1689,10 +1738,10 @@ TRACE_EVENT(nfs4_layoutget,
),
TP_printk(
- "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
"iomode=%s offset=%llu count=%llu stateid=%d:0x%08x "
"layoutstateid=%d:0x%08x",
- __entry->error,
+ -__entry->error,
show_nfsv4_errors(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
@@ -1722,6 +1771,7 @@ TRACE_DEFINE_ENUM(PNFS_UPDATE_LAYOUT_BLOCKED);
TRACE_DEFINE_ENUM(PNFS_UPDATE_LAYOUT_INVALID_OPEN);
TRACE_DEFINE_ENUM(PNFS_UPDATE_LAYOUT_RETRY);
TRACE_DEFINE_ENUM(PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET);
+TRACE_DEFINE_ENUM(PNFS_UPDATE_LAYOUT_EXIT);
#define show_pnfs_update_layout_reason(reason) \
__print_symbolic(reason, \
@@ -1737,7 +1787,8 @@ TRACE_DEFINE_ENUM(PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET);
{ PNFS_UPDATE_LAYOUT_BLOCKED, "layouts blocked" }, \
{ PNFS_UPDATE_LAYOUT_INVALID_OPEN, "invalid open" }, \
{ PNFS_UPDATE_LAYOUT_RETRY, "retrying" }, \
- { PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET, "sent layoutget" })
+ { PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET, "sent layoutget" }, \
+ { PNFS_UPDATE_LAYOUT_EXIT, "exit" })
TRACE_EVENT(pnfs_update_layout,
TP_PROTO(struct inode *inode,
@@ -1796,6 +1847,78 @@ TRACE_EVENT(pnfs_update_layout,
)
);
+DECLARE_EVENT_CLASS(pnfs_layout_event,
+ TP_PROTO(struct inode *inode,
+ loff_t pos,
+ u64 count,
+ enum pnfs_iomode iomode,
+ struct pnfs_layout_hdr *lo,
+ struct pnfs_layout_segment *lseg
+ ),
+ TP_ARGS(inode, pos, count, iomode, lo, lseg),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(u64, fileid)
+ __field(u32, fhandle)
+ __field(loff_t, pos)
+ __field(u64, count)
+ __field(enum pnfs_iomode, iomode)
+ __field(int, layoutstateid_seq)
+ __field(u32, layoutstateid_hash)
+ __field(long, lseg)
+ ),
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->fileid = NFS_FILEID(inode);
+ __entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
+ __entry->pos = pos;
+ __entry->count = count;
+ __entry->iomode = iomode;
+ if (lo != NULL) {
+ __entry->layoutstateid_seq =
+ be32_to_cpu(lo->plh_stateid.seqid);
+ __entry->layoutstateid_hash =
+ nfs_stateid_hash(&lo->plh_stateid);
+ } else {
+ __entry->layoutstateid_seq = 0;
+ __entry->layoutstateid_hash = 0;
+ }
+ __entry->lseg = (long)lseg;
+ ),
+ TP_printk(
+ "fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "iomode=%s pos=%llu count=%llu "
+ "layoutstateid=%d:0x%08x lseg=0x%lx",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->fileid,
+ __entry->fhandle,
+ show_pnfs_iomode(__entry->iomode),
+ (unsigned long long)__entry->pos,
+ (unsigned long long)__entry->count,
+ __entry->layoutstateid_seq, __entry->layoutstateid_hash,
+ __entry->lseg
+ )
+);
+
+#define DEFINE_PNFS_LAYOUT_EVENT(name) \
+ DEFINE_EVENT(pnfs_layout_event, name, \
+ TP_PROTO(struct inode *inode, \
+ loff_t pos, \
+ u64 count, \
+ enum pnfs_iomode iomode, \
+ struct pnfs_layout_hdr *lo, \
+ struct pnfs_layout_segment *lseg \
+ ), \
+ TP_ARGS(inode, pos, count, iomode, lo, lseg))
+
+DEFINE_PNFS_LAYOUT_EVENT(pnfs_mds_fallback_pg_init_read);
+DEFINE_PNFS_LAYOUT_EVENT(pnfs_mds_fallback_pg_init_write);
+DEFINE_PNFS_LAYOUT_EVENT(pnfs_mds_fallback_pg_get_mirror_count);
+DEFINE_PNFS_LAYOUT_EVENT(pnfs_mds_fallback_read_done);
+DEFINE_PNFS_LAYOUT_EVENT(pnfs_mds_fallback_write_done);
+DEFINE_PNFS_LAYOUT_EVENT(pnfs_mds_fallback_read_pagelist);
+DEFINE_PNFS_LAYOUT_EVENT(pnfs_mds_fallback_write_pagelist);
+
#endif /* CONFIG_NFS_V4_1 */
#endif /* _TRACE_NFS4_H */
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 602446158bfb..46a8d636d151 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -837,6 +837,7 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req,
#define NFS4_dec_sequence_sz \
(compound_decode_hdr_maxsz + \
decode_sequence_maxsz)
+#endif
#define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz + \
encode_putrootfh_maxsz + \
@@ -845,6 +846,7 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req,
decode_sequence_maxsz + \
decode_putrootfh_maxsz + \
decode_fsinfo_maxsz)
+#if defined(CONFIG_NFS_V4_1)
#define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \
encode_sequence_maxsz + \
encode_reclaim_complete_maxsz)
@@ -2957,6 +2959,8 @@ static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr,
encode_nops(&hdr);
}
+#endif
+
/*
* a GET_LEASE_TIME request
*/
@@ -2977,6 +2981,8 @@ static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req,
encode_nops(&hdr);
}
+#ifdef CONFIG_NFS_V4_1
+
/*
* a RECLAIM_COMPLETE request
*/
@@ -3187,7 +3193,7 @@ static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected,
return true;
out_status:
nfserr = be32_to_cpup(p);
- trace_nfs4_xdr_status(opnum, nfserr);
+ trace_nfs4_xdr_status(xdr, opnum, nfserr);
*nfs_retval = nfs4_stat_to_errno(nfserr);
return true;
out_bad_operation:
@@ -3427,7 +3433,7 @@ static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint
*res = be32_to_cpup(p);
bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME;
}
- dprintk("%s: file size=%u\n", __func__, (unsigned int)*res);
+ dprintk("%s: lease time=%u\n", __func__, (unsigned int)*res);
return 0;
}
@@ -7122,6 +7128,8 @@ static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp,
return status;
}
+#endif
+
/*
* Decode GET_LEASE_TIME response
*/
@@ -7143,6 +7151,8 @@ static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp,
return status;
}
+#ifdef CONFIG_NFS_V4_1
+
/*
* Decode RECLAIM_COMPLETE response
*/
@@ -7551,7 +7561,7 @@ const struct rpc_procinfo nfs4_procedures[] = {
PROC41(CREATE_SESSION, enc_create_session, dec_create_session),
PROC41(DESTROY_SESSION, enc_destroy_session, dec_destroy_session),
PROC41(SEQUENCE, enc_sequence, dec_sequence),
- PROC41(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time),
+ PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time),
PROC41(RECLAIM_COMPLETE,enc_reclaim_complete, dec_reclaim_complete),
PROC41(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo),
PROC41(LAYOUTGET, enc_layoutget, dec_layoutget),
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index a0d6910aa03a..976d4089e267 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -11,6 +11,16 @@
#include <linux/tracepoint.h>
#include <linux/iversion.h>
+TRACE_DEFINE_ENUM(DT_UNKNOWN);
+TRACE_DEFINE_ENUM(DT_FIFO);
+TRACE_DEFINE_ENUM(DT_CHR);
+TRACE_DEFINE_ENUM(DT_DIR);
+TRACE_DEFINE_ENUM(DT_BLK);
+TRACE_DEFINE_ENUM(DT_REG);
+TRACE_DEFINE_ENUM(DT_LNK);
+TRACE_DEFINE_ENUM(DT_SOCK);
+TRACE_DEFINE_ENUM(DT_WHT);
+
#define nfs_show_file_type(ftype) \
__print_symbolic(ftype, \
{ DT_UNKNOWN, "UNKNOWN" }, \
@@ -23,25 +33,57 @@
{ DT_SOCK, "SOCK" }, \
{ DT_WHT, "WHT" })
+TRACE_DEFINE_ENUM(NFS_INO_INVALID_DATA);
+TRACE_DEFINE_ENUM(NFS_INO_INVALID_ATIME);
+TRACE_DEFINE_ENUM(NFS_INO_INVALID_ACCESS);
+TRACE_DEFINE_ENUM(NFS_INO_INVALID_ACL);
+TRACE_DEFINE_ENUM(NFS_INO_REVAL_PAGECACHE);
+TRACE_DEFINE_ENUM(NFS_INO_REVAL_FORCED);
+TRACE_DEFINE_ENUM(NFS_INO_INVALID_LABEL);
+TRACE_DEFINE_ENUM(NFS_INO_INVALID_CHANGE);
+TRACE_DEFINE_ENUM(NFS_INO_INVALID_CTIME);
+TRACE_DEFINE_ENUM(NFS_INO_INVALID_MTIME);
+TRACE_DEFINE_ENUM(NFS_INO_INVALID_SIZE);
+TRACE_DEFINE_ENUM(NFS_INO_INVALID_OTHER);
+
#define nfs_show_cache_validity(v) \
__print_flags(v, "|", \
- { NFS_INO_INVALID_ATTR, "INVALID_ATTR" }, \
{ NFS_INO_INVALID_DATA, "INVALID_DATA" }, \
{ NFS_INO_INVALID_ATIME, "INVALID_ATIME" }, \
{ NFS_INO_INVALID_ACCESS, "INVALID_ACCESS" }, \
{ NFS_INO_INVALID_ACL, "INVALID_ACL" }, \
{ NFS_INO_REVAL_PAGECACHE, "REVAL_PAGECACHE" }, \
{ NFS_INO_REVAL_FORCED, "REVAL_FORCED" }, \
- { NFS_INO_INVALID_LABEL, "INVALID_LABEL" })
+ { NFS_INO_INVALID_LABEL, "INVALID_LABEL" }, \
+ { NFS_INO_INVALID_CHANGE, "INVALID_CHANGE" }, \
+ { NFS_INO_INVALID_CTIME, "INVALID_CTIME" }, \
+ { NFS_INO_INVALID_MTIME, "INVALID_MTIME" }, \
+ { NFS_INO_INVALID_SIZE, "INVALID_SIZE" }, \
+ { NFS_INO_INVALID_OTHER, "INVALID_OTHER" })
+
+TRACE_DEFINE_ENUM(NFS_INO_ADVISE_RDPLUS);
+TRACE_DEFINE_ENUM(NFS_INO_STALE);
+TRACE_DEFINE_ENUM(NFS_INO_ACL_LRU_SET);
+TRACE_DEFINE_ENUM(NFS_INO_INVALIDATING);
+TRACE_DEFINE_ENUM(NFS_INO_FSCACHE);
+TRACE_DEFINE_ENUM(NFS_INO_FSCACHE_LOCK);
+TRACE_DEFINE_ENUM(NFS_INO_LAYOUTCOMMIT);
+TRACE_DEFINE_ENUM(NFS_INO_LAYOUTCOMMITTING);
+TRACE_DEFINE_ENUM(NFS_INO_LAYOUTSTATS);
+TRACE_DEFINE_ENUM(NFS_INO_ODIRECT);
#define nfs_show_nfsi_flags(v) \
__print_flags(v, "|", \
- { 1 << NFS_INO_ADVISE_RDPLUS, "ADVISE_RDPLUS" }, \
- { 1 << NFS_INO_STALE, "STALE" }, \
- { 1 << NFS_INO_INVALIDATING, "INVALIDATING" }, \
- { 1 << NFS_INO_FSCACHE, "FSCACHE" }, \
- { 1 << NFS_INO_LAYOUTCOMMIT, "NEED_LAYOUTCOMMIT" }, \
- { 1 << NFS_INO_LAYOUTCOMMITTING, "LAYOUTCOMMIT" })
+ { BIT(NFS_INO_ADVISE_RDPLUS), "ADVISE_RDPLUS" }, \
+ { BIT(NFS_INO_STALE), "STALE" }, \
+ { BIT(NFS_INO_ACL_LRU_SET), "ACL_LRU_SET" }, \
+ { BIT(NFS_INO_INVALIDATING), "INVALIDATING" }, \
+ { BIT(NFS_INO_FSCACHE), "FSCACHE" }, \
+ { BIT(NFS_INO_FSCACHE_LOCK), "FSCACHE_LOCK" }, \
+ { BIT(NFS_INO_LAYOUTCOMMIT), "NEED_LAYOUTCOMMIT" }, \
+ { BIT(NFS_INO_LAYOUTCOMMITTING), "LAYOUTCOMMIT" }, \
+ { BIT(NFS_INO_LAYOUTSTATS), "LAYOUTSTATS" }, \
+ { BIT(NFS_INO_ODIRECT), "ODIRECT" })
DECLARE_EVENT_CLASS(nfs_inode_event,
TP_PROTO(
@@ -83,7 +125,7 @@ DECLARE_EVENT_CLASS(nfs_inode_event_done,
TP_ARGS(inode, error),
TP_STRUCT__entry(
- __field(int, error)
+ __field(unsigned long, error)
__field(dev_t, dev)
__field(u32, fhandle)
__field(unsigned char, type)
@@ -96,7 +138,7 @@ DECLARE_EVENT_CLASS(nfs_inode_event_done,
TP_fast_assign(
const struct nfs_inode *nfsi = NFS_I(inode);
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->dev = inode->i_sb->s_dev;
__entry->fileid = nfsi->fileid;
__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
@@ -108,10 +150,10 @@ DECLARE_EVENT_CLASS(nfs_inode_event_done,
),
TP_printk(
- "error=%d fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
"type=%u (%s) version=%llu size=%lld "
- "cache_validity=%lu (%s) nfs_flags=%ld (%s)",
- __entry->error,
+ "cache_validity=0x%lx (%s) nfs_flags=0x%lx (%s)",
+ -__entry->error, nfs_show_status(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle,
@@ -158,13 +200,41 @@ DEFINE_NFS_INODE_EVENT_DONE(nfs_fsync_exit);
DEFINE_NFS_INODE_EVENT(nfs_access_enter);
DEFINE_NFS_INODE_EVENT_DONE(nfs_access_exit);
+TRACE_DEFINE_ENUM(LOOKUP_FOLLOW);
+TRACE_DEFINE_ENUM(LOOKUP_DIRECTORY);
+TRACE_DEFINE_ENUM(LOOKUP_AUTOMOUNT);
+TRACE_DEFINE_ENUM(LOOKUP_PARENT);
+TRACE_DEFINE_ENUM(LOOKUP_REVAL);
+TRACE_DEFINE_ENUM(LOOKUP_RCU);
+TRACE_DEFINE_ENUM(LOOKUP_NO_REVAL);
+TRACE_DEFINE_ENUM(LOOKUP_NO_EVAL);
+TRACE_DEFINE_ENUM(LOOKUP_OPEN);
+TRACE_DEFINE_ENUM(LOOKUP_CREATE);
+TRACE_DEFINE_ENUM(LOOKUP_EXCL);
+TRACE_DEFINE_ENUM(LOOKUP_RENAME_TARGET);
+TRACE_DEFINE_ENUM(LOOKUP_JUMPED);
+TRACE_DEFINE_ENUM(LOOKUP_ROOT);
+TRACE_DEFINE_ENUM(LOOKUP_EMPTY);
+TRACE_DEFINE_ENUM(LOOKUP_DOWN);
+
#define show_lookup_flags(flags) \
- __print_flags((unsigned long)flags, "|", \
- { LOOKUP_AUTOMOUNT, "AUTOMOUNT" }, \
+ __print_flags(flags, "|", \
+ { LOOKUP_FOLLOW, "FOLLOW" }, \
{ LOOKUP_DIRECTORY, "DIRECTORY" }, \
+ { LOOKUP_AUTOMOUNT, "AUTOMOUNT" }, \
+ { LOOKUP_PARENT, "PARENT" }, \
+ { LOOKUP_REVAL, "REVAL" }, \
+ { LOOKUP_RCU, "RCU" }, \
+ { LOOKUP_NO_REVAL, "NO_REVAL" }, \
+ { LOOKUP_NO_EVAL, "NO_EVAL" }, \
{ LOOKUP_OPEN, "OPEN" }, \
{ LOOKUP_CREATE, "CREATE" }, \
- { LOOKUP_EXCL, "EXCL" })
+ { LOOKUP_EXCL, "EXCL" }, \
+ { LOOKUP_RENAME_TARGET, "RENAME_TARGET" }, \
+ { LOOKUP_JUMPED, "JUMPED" }, \
+ { LOOKUP_ROOT, "ROOT" }, \
+ { LOOKUP_EMPTY, "EMPTY" }, \
+ { LOOKUP_DOWN, "DOWN" })
DECLARE_EVENT_CLASS(nfs_lookup_event,
TP_PROTO(
@@ -176,7 +246,7 @@ DECLARE_EVENT_CLASS(nfs_lookup_event,
TP_ARGS(dir, dentry, flags),
TP_STRUCT__entry(
- __field(unsigned int, flags)
+ __field(unsigned long, flags)
__field(dev_t, dev)
__field(u64, dir)
__string(name, dentry->d_name.name)
@@ -190,7 +260,7 @@ DECLARE_EVENT_CLASS(nfs_lookup_event,
),
TP_printk(
- "flags=%u (%s) name=%02x:%02x:%llu/%s",
+ "flags=0x%lx (%s) name=%02x:%02x:%llu/%s",
__entry->flags,
show_lookup_flags(__entry->flags),
MAJOR(__entry->dev), MINOR(__entry->dev),
@@ -219,8 +289,8 @@ DECLARE_EVENT_CLASS(nfs_lookup_event_done,
TP_ARGS(dir, dentry, flags, error),
TP_STRUCT__entry(
- __field(int, error)
- __field(unsigned int, flags)
+ __field(unsigned long, error)
+ __field(unsigned long, flags)
__field(dev_t, dev)
__field(u64, dir)
__string(name, dentry->d_name.name)
@@ -229,14 +299,14 @@ DECLARE_EVENT_CLASS(nfs_lookup_event_done,
TP_fast_assign(
__entry->dev = dir->i_sb->s_dev;
__entry->dir = NFS_FILEID(dir);
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__entry->flags = flags;
__assign_str(name, dentry->d_name.name);
),
TP_printk(
- "error=%d flags=%u (%s) name=%02x:%02x:%llu/%s",
- __entry->error,
+ "error=%ld (%s) flags=0x%lx (%s) name=%02x:%02x:%llu/%s",
+ -__entry->error, nfs_show_status(__entry->error),
__entry->flags,
show_lookup_flags(__entry->flags),
MAJOR(__entry->dev), MINOR(__entry->dev),
@@ -260,15 +330,43 @@ DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_exit);
DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_revalidate_enter);
DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_revalidate_exit);
+TRACE_DEFINE_ENUM(O_WRONLY);
+TRACE_DEFINE_ENUM(O_RDWR);
+TRACE_DEFINE_ENUM(O_CREAT);
+TRACE_DEFINE_ENUM(O_EXCL);
+TRACE_DEFINE_ENUM(O_NOCTTY);
+TRACE_DEFINE_ENUM(O_TRUNC);
+TRACE_DEFINE_ENUM(O_APPEND);
+TRACE_DEFINE_ENUM(O_NONBLOCK);
+TRACE_DEFINE_ENUM(O_DSYNC);
+TRACE_DEFINE_ENUM(O_DIRECT);
+TRACE_DEFINE_ENUM(O_LARGEFILE);
+TRACE_DEFINE_ENUM(O_DIRECTORY);
+TRACE_DEFINE_ENUM(O_NOFOLLOW);
+TRACE_DEFINE_ENUM(O_NOATIME);
+TRACE_DEFINE_ENUM(O_CLOEXEC);
+
#define show_open_flags(flags) \
- __print_flags((unsigned long)flags, "|", \
+ __print_flags(flags, "|", \
+ { O_WRONLY, "O_WRONLY" }, \
+ { O_RDWR, "O_RDWR" }, \
{ O_CREAT, "O_CREAT" }, \
{ O_EXCL, "O_EXCL" }, \
+ { O_NOCTTY, "O_NOCTTY" }, \
{ O_TRUNC, "O_TRUNC" }, \
{ O_APPEND, "O_APPEND" }, \
+ { O_NONBLOCK, "O_NONBLOCK" }, \
{ O_DSYNC, "O_DSYNC" }, \
{ O_DIRECT, "O_DIRECT" }, \
- { O_DIRECTORY, "O_DIRECTORY" })
+ { O_LARGEFILE, "O_LARGEFILE" }, \
+ { O_DIRECTORY, "O_DIRECTORY" }, \
+ { O_NOFOLLOW, "O_NOFOLLOW" }, \
+ { O_NOATIME, "O_NOATIME" }, \
+ { O_CLOEXEC, "O_CLOEXEC" })
+
+TRACE_DEFINE_ENUM(FMODE_READ);
+TRACE_DEFINE_ENUM(FMODE_WRITE);
+TRACE_DEFINE_ENUM(FMODE_EXEC);
#define show_fmode_flags(mode) \
__print_flags(mode, "|", \
@@ -286,7 +384,7 @@ TRACE_EVENT(nfs_atomic_open_enter,
TP_ARGS(dir, ctx, flags),
TP_STRUCT__entry(
- __field(unsigned int, flags)
+ __field(unsigned long, flags)
__field(unsigned int, fmode)
__field(dev_t, dev)
__field(u64, dir)
@@ -302,7 +400,7 @@ TRACE_EVENT(nfs_atomic_open_enter,
),
TP_printk(
- "flags=%u (%s) fmode=%s name=%02x:%02x:%llu/%s",
+ "flags=0x%lx (%s) fmode=%s name=%02x:%02x:%llu/%s",
__entry->flags,
show_open_flags(__entry->flags),
show_fmode_flags(__entry->fmode),
@@ -323,8 +421,8 @@ TRACE_EVENT(nfs_atomic_open_exit,
TP_ARGS(dir, ctx, flags, error),
TP_STRUCT__entry(
- __field(int, error)
- __field(unsigned int, flags)
+ __field(unsigned long, error)
+ __field(unsigned long, flags)
__field(unsigned int, fmode)
__field(dev_t, dev)
__field(u64, dir)
@@ -332,7 +430,7 @@ TRACE_EVENT(nfs_atomic_open_exit,
),
TP_fast_assign(
- __entry->error = error;
+ __entry->error = -error;
__entry->dev = dir->i_sb->s_dev;
__entry->dir = NFS_FILEID(dir);
__entry->flags = flags;
@@ -341,9 +439,9 @@ TRACE_EVENT(nfs_atomic_open_exit,
),
TP_printk(
- "error=%d flags=%u (%s) fmode=%s "
+ "error=%ld (%s) flags=0x%lx (%s) fmode=%s "
"name=%02x:%02x:%llu/%s",
- __entry->error,
+ -__entry->error, nfs_show_status(__entry->error),
__entry->flags,
show_open_flags(__entry->flags),
show_fmode_flags(__entry->fmode),
@@ -363,7 +461,7 @@ TRACE_EVENT(nfs_create_enter,
TP_ARGS(dir, dentry, flags),
TP_STRUCT__entry(
- __field(unsigned int, flags)
+ __field(unsigned long, flags)
__field(dev_t, dev)
__field(u64, dir)
__string(name, dentry->d_name.name)
@@ -377,7 +475,7 @@ TRACE_EVENT(nfs_create_enter,
),
TP_printk(
- "flags=%u (%s) name=%02x:%02x:%llu/%s",
+ "flags=0x%lx (%s) name=%02x:%02x:%llu/%s",
__entry->flags,
show_open_flags(__entry->flags),
MAJOR(__entry->dev), MINOR(__entry->dev),
@@ -397,15 +495,15 @@ TRACE_EVENT(nfs_create_exit,
TP_ARGS(dir, dentry, flags, error),
TP_STRUCT__entry(
- __field(int, error)
- __field(unsigned int, flags)
+ __field(unsigned long, error)
+ __field(unsigned long, flags)
__field(dev_t, dev)
__field(u64, dir)
__string(name, dentry->d_name.name)
),
TP_fast_assign(
- __entry->error = error;
+ __entry->error = -error;
__entry->dev = dir->i_sb->s_dev;
__entry->dir = NFS_FILEID(dir);
__entry->flags = flags;
@@ -413,8 +511,8 @@ TRACE_EVENT(nfs_create_exit,
),
TP_printk(
- "error=%d flags=%u (%s) name=%02x:%02x:%llu/%s",
- __entry->error,
+ "error=%ld (%s) flags=0x%lx (%s) name=%02x:%02x:%llu/%s",
+ -__entry->error, nfs_show_status(__entry->error),
__entry->flags,
show_open_flags(__entry->flags),
MAJOR(__entry->dev), MINOR(__entry->dev),
@@ -469,7 +567,7 @@ DECLARE_EVENT_CLASS(nfs_directory_event_done,
TP_ARGS(dir, dentry, error),
TP_STRUCT__entry(
- __field(int, error)
+ __field(unsigned long, error)
__field(dev_t, dev)
__field(u64, dir)
__string(name, dentry->d_name.name)
@@ -478,13 +576,13 @@ DECLARE_EVENT_CLASS(nfs_directory_event_done,
TP_fast_assign(
__entry->dev = dir->i_sb->s_dev;
__entry->dir = NFS_FILEID(dir);
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__assign_str(name, dentry->d_name.name);
),
TP_printk(
- "error=%d name=%02x:%02x:%llu/%s",
- __entry->error,
+ "error=%ld (%s) name=%02x:%02x:%llu/%s",
+ -__entry->error, nfs_show_status(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->dir,
__get_str(name)
@@ -557,7 +655,7 @@ TRACE_EVENT(nfs_link_exit,
TP_ARGS(inode, dir, dentry, error),
TP_STRUCT__entry(
- __field(int, error)
+ __field(unsigned long, error)
__field(dev_t, dev)
__field(u64, fileid)
__field(u64, dir)
@@ -568,13 +666,13 @@ TRACE_EVENT(nfs_link_exit,
__entry->dev = inode->i_sb->s_dev;
__entry->fileid = NFS_FILEID(inode);
__entry->dir = NFS_FILEID(dir);
- __entry->error = error;
+ __entry->error = error < 0 ? -error : 0;
__assign_str(name, dentry->d_name.name);
),
TP_printk(
- "error=%d fileid=%02x:%02x:%llu name=%02x:%02x:%llu/%s",
- __entry->error,
+ "error=%ld (%s) fileid=%02x:%02x:%llu name=%02x:%02x:%llu/%s",
+ -__entry->error, nfs_show_status(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->fileid,
MAJOR(__entry->dev), MINOR(__entry->dev),
@@ -642,7 +740,7 @@ DECLARE_EVENT_CLASS(nfs_rename_event_done,
TP_STRUCT__entry(
__field(dev_t, dev)
- __field(int, error)
+ __field(unsigned long, error)
__field(u64, old_dir)
__string(old_name, old_dentry->d_name.name)
__field(u64, new_dir)
@@ -651,17 +749,17 @@ DECLARE_EVENT_CLASS(nfs_rename_event_done,
TP_fast_assign(
__entry->dev = old_dir->i_sb->s_dev;
+ __entry->error = -error;
__entry->old_dir = NFS_FILEID(old_dir);
__entry->new_dir = NFS_FILEID(new_dir);
- __entry->error = error;
__assign_str(old_name, old_dentry->d_name.name);
__assign_str(new_name, new_dentry->d_name.name);
),
TP_printk(
- "error=%d old_name=%02x:%02x:%llu/%s "
+ "error=%ld (%s) old_name=%02x:%02x:%llu/%s "
"new_name=%02x:%02x:%llu/%s",
- __entry->error,
+ -__entry->error, nfs_show_status(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->old_dir,
__get_str(old_name),
@@ -697,7 +795,7 @@ TRACE_EVENT(nfs_sillyrename_unlink,
TP_STRUCT__entry(
__field(dev_t, dev)
- __field(int, error)
+ __field(unsigned long, error)
__field(u64, dir)
__dynamic_array(char, name, data->args.name.len + 1)
),
@@ -707,15 +805,15 @@ TRACE_EVENT(nfs_sillyrename_unlink,
size_t len = data->args.name.len;
__entry->dev = dir->i_sb->s_dev;
__entry->dir = NFS_FILEID(dir);
- __entry->error = error;
+ __entry->error = -error;
memcpy(__get_str(name),
data->args.name.name, len);
__get_str(name)[len] = 0;
),
TP_printk(
- "error=%d name=%02x:%02x:%llu/%s",
- __entry->error,
+ "error=%ld (%s) name=%02x:%02x:%llu/%s",
+ -__entry->error, nfs_show_status(__entry->error),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->dir,
__get_str(name)
@@ -974,6 +1072,8 @@ TRACE_DEFINE_ENUM(NFSERR_PERM);
TRACE_DEFINE_ENUM(NFSERR_NOENT);
TRACE_DEFINE_ENUM(NFSERR_IO);
TRACE_DEFINE_ENUM(NFSERR_NXIO);
+TRACE_DEFINE_ENUM(ECHILD);
+TRACE_DEFINE_ENUM(NFSERR_EAGAIN);
TRACE_DEFINE_ENUM(NFSERR_ACCES);
TRACE_DEFINE_ENUM(NFSERR_EXIST);
TRACE_DEFINE_ENUM(NFSERR_XDEV);
@@ -985,6 +1085,7 @@ TRACE_DEFINE_ENUM(NFSERR_FBIG);
TRACE_DEFINE_ENUM(NFSERR_NOSPC);
TRACE_DEFINE_ENUM(NFSERR_ROFS);
TRACE_DEFINE_ENUM(NFSERR_MLINK);
+TRACE_DEFINE_ENUM(NFSERR_OPNOTSUPP);
TRACE_DEFINE_ENUM(NFSERR_NAMETOOLONG);
TRACE_DEFINE_ENUM(NFSERR_NOTEMPTY);
TRACE_DEFINE_ENUM(NFSERR_DQUOT);
@@ -1007,6 +1108,8 @@ TRACE_DEFINE_ENUM(NFSERR_JUKEBOX);
{ NFSERR_NOENT, "NOENT" }, \
{ NFSERR_IO, "IO" }, \
{ NFSERR_NXIO, "NXIO" }, \
+ { ECHILD, "CHILD" }, \
+ { NFSERR_EAGAIN, "AGAIN" }, \
{ NFSERR_ACCES, "ACCES" }, \
{ NFSERR_EXIST, "EXIST" }, \
{ NFSERR_XDEV, "XDEV" }, \
@@ -1018,6 +1121,7 @@ TRACE_DEFINE_ENUM(NFSERR_JUKEBOX);
{ NFSERR_NOSPC, "NOSPC" }, \
{ NFSERR_ROFS, "ROFS" }, \
{ NFSERR_MLINK, "MLINK" }, \
+ { NFSERR_OPNOTSUPP, "OPNOTSUPP" }, \
{ NFSERR_NAMETOOLONG, "NAMETOOLONG" }, \
{ NFSERR_NOTEMPTY, "NOTEMPTY" }, \
{ NFSERR_DQUOT, "DQUOT" }, \
@@ -1035,22 +1139,33 @@ TRACE_DEFINE_ENUM(NFSERR_JUKEBOX);
TRACE_EVENT(nfs_xdr_status,
TP_PROTO(
+ const struct xdr_stream *xdr,
int error
),
- TP_ARGS(error),
+ TP_ARGS(xdr, error),
TP_STRUCT__entry(
- __field(int, error)
+ __field(unsigned int, task_id)
+ __field(unsigned int, client_id)
+ __field(u32, xid)
+ __field(unsigned long, error)
),
TP_fast_assign(
+ const struct rpc_rqst *rqstp = xdr->rqst;
+ const struct rpc_task *task = rqstp->rq_task;
+
+ __entry->task_id = task->tk_pid;
+ __entry->client_id = task->tk_client->cl_clid;
+ __entry->xid = be32_to_cpu(rqstp->rq_xid);
__entry->error = error;
),
TP_printk(
- "error=%d (%s)",
- __entry->error, nfs_show_status(__entry->error)
+ "task:%u@%d xid=0x%08x error=%ld (%s)",
+ __entry->task_id, __entry->client_id, __entry->xid,
+ -__entry->error, nfs_show_status(__entry->error)
)
);
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 6ef5278326b6..ed4e1b07447b 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -77,7 +77,7 @@ void nfs_set_pgio_error(struct nfs_pgio_header *hdr, int error, loff_t pos)
static inline struct nfs_page *
nfs_page_alloc(void)
{
- struct nfs_page *p = kmem_cache_zalloc(nfs_page_cachep, GFP_NOIO);
+ struct nfs_page *p = kmem_cache_zalloc(nfs_page_cachep, GFP_KERNEL);
if (p)
INIT_LIST_HEAD(&p->wb_list);
return p;
@@ -775,8 +775,6 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
if (pagecount <= ARRAY_SIZE(pg_array->page_array))
pg_array->pagevec = pg_array->page_array;
else {
- if (hdr->rw_mode == FMODE_WRITE)
- gfp_flags = GFP_NOIO;
pg_array->pagevec = kcalloc(pagecount, sizeof(struct page *), gfp_flags);
if (!pg_array->pagevec) {
pg_array->npages = 0;
@@ -851,7 +849,7 @@ nfs_pageio_alloc_mirrors(struct nfs_pageio_descriptor *desc,
desc->pg_mirrors_dynamic = NULL;
if (mirror_count == 1)
return desc->pg_mirrors_static;
- ret = kmalloc_array(mirror_count, sizeof(*ret), GFP_NOFS);
+ ret = kmalloc_array(mirror_count, sizeof(*ret), GFP_KERNEL);
if (ret != NULL) {
for (i = 0; i < mirror_count; i++)
nfs_pageio_mirror_init(&ret[i], desc->pg_bsize);
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 83722e936b4a..75bd5b552ba4 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1890,7 +1890,7 @@ lookup_again:
spin_unlock(&ino->i_lock);
lseg = ERR_PTR(wait_var_event_killable(&lo->plh_outstanding,
!atomic_read(&lo->plh_outstanding)));
- if (IS_ERR(lseg) || !list_empty(&lo->plh_segs))
+ if (IS_ERR(lseg))
goto out_put_layout_hdr;
pnfs_put_layout_hdr(lo);
goto lookup_again;
@@ -1915,6 +1915,7 @@ lookup_again:
* stateid.
*/
if (test_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags)) {
+ int status;
/*
* The first layoutget for the file. Need to serialize per
@@ -1934,13 +1935,20 @@ lookup_again:
}
first = true;
- if (nfs4_select_rw_stateid(ctx->state,
+ status = nfs4_select_rw_stateid(ctx->state,
iomode == IOMODE_RW ? FMODE_WRITE : FMODE_READ,
- NULL, &stateid, NULL) != 0) {
+ NULL, &stateid, NULL);
+ if (status != 0) {
trace_pnfs_update_layout(ino, pos, count,
iomode, lo, lseg,
PNFS_UPDATE_LAYOUT_INVALID_OPEN);
- goto out_unlock;
+ if (status != -EAGAIN)
+ goto out_unlock;
+ spin_unlock(&ino->i_lock);
+ nfs4_schedule_stateid_recovery(server, ctx->state);
+ pnfs_clear_first_layoutget(lo);
+ pnfs_put_layout_hdr(lo);
+ goto lookup_again;
}
} else {
nfs4_stateid_copy(&stateid, &lo->plh_stateid);
@@ -2029,6 +2037,8 @@ lookup_again:
out_put_layout_hdr:
if (first)
pnfs_clear_first_layoutget(lo);
+ trace_pnfs_update_layout(ino, pos, count, iomode, lo, lseg,
+ PNFS_UPDATE_LAYOUT_EXIT);
pnfs_put_layout_hdr(lo);
out:
dprintk("%s: inode %s/%llu pNFS layout segment %s for "
@@ -2468,7 +2478,7 @@ pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio,
wb_size,
IOMODE_RW,
false,
- GFP_NOFS);
+ GFP_KERNEL);
if (IS_ERR(pgio->pg_lseg)) {
pgio->pg_error = PTR_ERR(pgio->pg_lseg);
pgio->pg_lseg = NULL;
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index f88ddac2dcdf..3683d2b1cc8e 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -77,6 +77,8 @@
#define NFS_DEFAULT_VERSION 2
#endif
+#define NFS_MAX_CONNECTIONS 16
+
enum {
/* Mount options that take no arguments */
Opt_soft, Opt_softerr, Opt_hard,
@@ -108,6 +110,7 @@ enum {
Opt_nfsvers,
Opt_sec, Opt_proto, Opt_mountproto, Opt_mounthost,
Opt_addr, Opt_mountaddr, Opt_clientaddr,
+ Opt_nconnect,
Opt_lookupcache,
Opt_fscache_uniq,
Opt_local_lock,
@@ -181,6 +184,8 @@ static const match_table_t nfs_mount_option_tokens = {
{ Opt_mounthost, "mounthost=%s" },
{ Opt_mountaddr, "mountaddr=%s" },
+ { Opt_nconnect, "nconnect=%s" },
+
{ Opt_lookupcache, "lookupcache=%s" },
{ Opt_fscache_uniq, "fsc=%s" },
{ Opt_local_lock, "local_lock=%s" },
@@ -582,7 +587,7 @@ static void nfs_show_mountd_options(struct seq_file *m, struct nfs_server *nfss,
}
default:
if (showdefaults)
- seq_printf(m, ",mountaddr=unspecified");
+ seq_puts(m, ",mountaddr=unspecified");
}
if (nfss->mountd_version || showdefaults)
@@ -673,6 +678,8 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
seq_printf(m, ",proto=%s",
rpc_peeraddr2str(nfss->client, RPC_DISPLAY_NETID));
rcu_read_unlock();
+ if (clp->cl_nconnect > 0)
+ seq_printf(m, ",nconnect=%u", clp->cl_nconnect);
if (version == 4) {
if (nfss->port != NFS_PORT)
seq_printf(m, ",port=%u", nfss->port);
@@ -690,29 +697,29 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
nfs_show_nfsv4_options(m, nfss, showdefaults);
if (nfss->options & NFS_OPTION_FSCACHE)
- seq_printf(m, ",fsc");
+ seq_puts(m, ",fsc");
if (nfss->options & NFS_OPTION_MIGRATION)
- seq_printf(m, ",migration");
+ seq_puts(m, ",migration");
if (nfss->flags & NFS_MOUNT_LOOKUP_CACHE_NONEG) {
if (nfss->flags & NFS_MOUNT_LOOKUP_CACHE_NONE)
- seq_printf(m, ",lookupcache=none");
+ seq_puts(m, ",lookupcache=none");
else
- seq_printf(m, ",lookupcache=pos");
+ seq_puts(m, ",lookupcache=pos");
}
local_flock = nfss->flags & NFS_MOUNT_LOCAL_FLOCK;
local_fcntl = nfss->flags & NFS_MOUNT_LOCAL_FCNTL;
if (!local_flock && !local_fcntl)
- seq_printf(m, ",local_lock=none");
+ seq_puts(m, ",local_lock=none");
else if (local_flock && local_fcntl)
- seq_printf(m, ",local_lock=all");
+ seq_puts(m, ",local_lock=all");
else if (local_flock)
- seq_printf(m, ",local_lock=flock");
+ seq_puts(m, ",local_lock=flock");
else
- seq_printf(m, ",local_lock=posix");
+ seq_puts(m, ",local_lock=posix");
}
/*
@@ -735,11 +742,21 @@ int nfs_show_options(struct seq_file *m, struct dentry *root)
EXPORT_SYMBOL_GPL(nfs_show_options);
#if IS_ENABLED(CONFIG_NFS_V4)
+static void show_lease(struct seq_file *m, struct nfs_server *server)
+{
+ struct nfs_client *clp = server->nfs_client;
+ unsigned long expire;
+
+ seq_printf(m, ",lease_time=%ld", clp->cl_lease_time / HZ);
+ expire = clp->cl_last_renewal + clp->cl_lease_time;
+ seq_printf(m, ",lease_expired=%ld",
+ time_after(expire, jiffies) ? 0 : (jiffies - expire) / HZ);
+}
#ifdef CONFIG_NFS_V4_1
static void show_sessions(struct seq_file *m, struct nfs_server *server)
{
if (nfs4_has_session(server->nfs_client))
- seq_printf(m, ",sessions");
+ seq_puts(m, ",sessions");
}
#else
static void show_sessions(struct seq_file *m, struct nfs_server *server) {}
@@ -816,7 +833,7 @@ int nfs_show_stats(struct seq_file *m, struct dentry *root)
/*
* Display all mount option settings
*/
- seq_printf(m, "\n\topts:\t");
+ seq_puts(m, "\n\topts:\t");
seq_puts(m, sb_rdonly(root->d_sb) ? "ro" : "rw");
seq_puts(m, root->d_sb->s_flags & SB_SYNCHRONOUS ? ",sync" : "");
seq_puts(m, root->d_sb->s_flags & SB_NOATIME ? ",noatime" : "");
@@ -827,7 +844,7 @@ int nfs_show_stats(struct seq_file *m, struct dentry *root)
show_implementation_id(m, nfss);
- seq_printf(m, "\n\tcaps:\t");
+ seq_puts(m, "\n\tcaps:\t");
seq_printf(m, "caps=0x%x", nfss->caps);
seq_printf(m, ",wtmult=%u", nfss->wtmult);
seq_printf(m, ",dtsize=%u", nfss->dtsize);
@@ -836,13 +853,14 @@ int nfs_show_stats(struct seq_file *m, struct dentry *root)
#if IS_ENABLED(CONFIG_NFS_V4)
if (nfss->nfs_client->rpc_ops->version == 4) {
- seq_printf(m, "\n\tnfsv4:\t");
+ seq_puts(m, "\n\tnfsv4:\t");
seq_printf(m, "bm0=0x%x", nfss->attr_bitmask[0]);
seq_printf(m, ",bm1=0x%x", nfss->attr_bitmask[1]);
seq_printf(m, ",bm2=0x%x", nfss->attr_bitmask[2]);
seq_printf(m, ",acl=0x%x", nfss->acl_bitmask);
show_sessions(m, nfss);
show_pnfs(m, nfss);
+ show_lease(m, nfss);
}
#endif
@@ -874,20 +892,20 @@ int nfs_show_stats(struct seq_file *m, struct dentry *root)
preempt_enable();
}
- seq_printf(m, "\n\tevents:\t");
+ seq_puts(m, "\n\tevents:\t");
for (i = 0; i < __NFSIOS_COUNTSMAX; i++)
seq_printf(m, "%lu ", totals.events[i]);
- seq_printf(m, "\n\tbytes:\t");
+ seq_puts(m, "\n\tbytes:\t");
for (i = 0; i < __NFSIOS_BYTESMAX; i++)
seq_printf(m, "%Lu ", totals.bytes[i]);
#ifdef CONFIG_NFS_FSCACHE
if (nfss->options & NFS_OPTION_FSCACHE) {
- seq_printf(m, "\n\tfsc:\t");
+ seq_puts(m, "\n\tfsc:\t");
for (i = 0; i < __NFSIOS_FSCACHEMAX; i++)
seq_printf(m, "%Lu ", totals.fscache[i]);
}
#endif
- seq_printf(m, "\n");
+ seq_putc(m, '\n');
rpc_clnt_show_stats(m, nfss->client);
@@ -1549,6 +1567,11 @@ static int nfs_parse_mount_options(char *raw,
if (mnt->mount_server.addrlen == 0)
goto out_invalid_address;
break;
+ case Opt_nconnect:
+ if (nfs_get_option_ul_bound(args, &option, 1, NFS_MAX_CONNECTIONS))
+ goto out_invalid_value;
+ mnt->nfs_server.nconnect = option;
+ break;
case Opt_lookupcache:
string = match_strdup(args);
if (string == NULL)
diff --git a/fs/nfs/sysfs.c b/fs/nfs/sysfs.c
new file mode 100644
index 000000000000..4f3390b20239
--- /dev/null
+++ b/fs/nfs/sysfs.c
@@ -0,0 +1,187 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 Hammerspace Inc
+ */
+
+#include <linux/module.h>
+#include <linux/kobject.h>
+#include <linux/sysfs.h>
+#include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/netdevice.h>
+#include <linux/string.h>
+#include <linux/nfs_fs.h>
+#include <linux/rcupdate.h>
+
+#include "nfs4_fs.h"
+#include "netns.h"
+#include "sysfs.h"
+
+struct kobject *nfs_client_kobj;
+static struct kset *nfs_client_kset;
+
+static void nfs_netns_object_release(struct kobject *kobj)
+{
+ kfree(kobj);
+}
+
+static const struct kobj_ns_type_operations *nfs_netns_object_child_ns_type(
+ struct kobject *kobj)
+{
+ return &net_ns_type_operations;
+}
+
+static struct kobj_type nfs_netns_object_type = {
+ .release = nfs_netns_object_release,
+ .sysfs_ops = &kobj_sysfs_ops,
+ .child_ns_type = nfs_netns_object_child_ns_type,
+};
+
+static struct kobject *nfs_netns_object_alloc(const char *name,
+ struct kset *kset, struct kobject *parent)
+{
+ struct kobject *kobj;
+
+ kobj = kzalloc(sizeof(*kobj), GFP_KERNEL);
+ if (kobj) {
+ kobj->kset = kset;
+ if (kobject_init_and_add(kobj, &nfs_netns_object_type,
+ parent, "%s", name) == 0)
+ return kobj;
+ kobject_put(kobj);
+ }
+ return NULL;
+}
+
+int nfs_sysfs_init(void)
+{
+ nfs_client_kset = kset_create_and_add("nfs", NULL, fs_kobj);
+ if (!nfs_client_kset)
+ return -ENOMEM;
+ nfs_client_kobj = nfs_netns_object_alloc("net", nfs_client_kset, NULL);
+ if (!nfs_client_kobj) {
+ kset_unregister(nfs_client_kset);
+ nfs_client_kset = NULL;
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+void nfs_sysfs_exit(void)
+{
+ kobject_put(nfs_client_kobj);
+ kset_unregister(nfs_client_kset);
+}
+
+static ssize_t nfs_netns_identifier_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ struct nfs_netns_client *c = container_of(kobj,
+ struct nfs_netns_client,
+ kobject);
+ return scnprintf(buf, PAGE_SIZE, "%s\n", c->identifier);
+}
+
+/* Strip trailing '\n' */
+static size_t nfs_string_strip(const char *c, size_t len)
+{
+ while (len > 0 && c[len-1] == '\n')
+ --len;
+ return len;
+}
+
+static ssize_t nfs_netns_identifier_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct nfs_netns_client *c = container_of(kobj,
+ struct nfs_netns_client,
+ kobject);
+ const char *old;
+ char *p;
+ size_t len;
+
+ len = nfs_string_strip(buf, min_t(size_t, count, CONTAINER_ID_MAXLEN));
+ if (!len)
+ return 0;
+ p = kmemdup_nul(buf, len, GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+ old = xchg(&c->identifier, p);
+ if (old) {
+ synchronize_rcu();
+ kfree(old);
+ }
+ return count;
+}
+
+static void nfs_netns_client_release(struct kobject *kobj)
+{
+ struct nfs_netns_client *c = container_of(kobj,
+ struct nfs_netns_client,
+ kobject);
+
+ if (c->identifier)
+ kfree(c->identifier);
+ kfree(c);
+}
+
+static const void *nfs_netns_client_namespace(struct kobject *kobj)
+{
+ return container_of(kobj, struct nfs_netns_client, kobject)->net;
+}
+
+static struct kobj_attribute nfs_netns_client_id = __ATTR(identifier,
+ 0644, nfs_netns_identifier_show, nfs_netns_identifier_store);
+
+static struct attribute *nfs_netns_client_attrs[] = {
+ &nfs_netns_client_id.attr,
+ NULL,
+};
+
+static struct kobj_type nfs_netns_client_type = {
+ .release = nfs_netns_client_release,
+ .default_attrs = nfs_netns_client_attrs,
+ .sysfs_ops = &kobj_sysfs_ops,
+ .namespace = nfs_netns_client_namespace,
+};
+
+static struct nfs_netns_client *nfs_netns_client_alloc(struct kobject *parent,
+ struct net *net)
+{
+ struct nfs_netns_client *p;
+
+ p = kzalloc(sizeof(*p), GFP_KERNEL);
+ if (p) {
+ p->net = net;
+ p->kobject.kset = nfs_client_kset;
+ if (kobject_init_and_add(&p->kobject, &nfs_netns_client_type,
+ parent, "nfs_client") == 0)
+ return p;
+ kobject_put(&p->kobject);
+ }
+ return NULL;
+}
+
+void nfs_netns_sysfs_setup(struct nfs_net *netns, struct net *net)
+{
+ struct nfs_netns_client *clp;
+
+ clp = nfs_netns_client_alloc(nfs_client_kobj, net);
+ if (clp) {
+ netns->nfs_client = clp;
+ kobject_uevent(&clp->kobject, KOBJ_ADD);
+ }
+}
+
+void nfs_netns_sysfs_destroy(struct nfs_net *netns)
+{
+ struct nfs_netns_client *clp = netns->nfs_client;
+
+ if (clp) {
+ kobject_uevent(&clp->kobject, KOBJ_REMOVE);
+ kobject_del(&clp->kobject);
+ kobject_put(&clp->kobject);
+ netns->nfs_client = NULL;
+ }
+}
diff --git a/fs/nfs/sysfs.h b/fs/nfs/sysfs.h
new file mode 100644
index 000000000000..f1b27411dcc0
--- /dev/null
+++ b/fs/nfs/sysfs.h
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 Hammerspace Inc
+ */
+
+#ifndef __NFS_SYSFS_H
+#define __NFS_SYSFS_H
+
+#define CONTAINER_ID_MAXLEN (64)
+
+struct nfs_netns_client {
+ struct kobject kobject;
+ struct net *net;
+ const char *identifier;
+};
+
+extern struct kobject *nfs_client_kobj;
+
+extern int nfs_sysfs_init(void);
+extern void nfs_sysfs_exit(void);
+
+void nfs_netns_sysfs_setup(struct nfs_net *netns, struct net *net);
+void nfs_netns_sysfs_destroy(struct nfs_net *netns);
+
+#endif
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 059a7c38bc4f..92d9cadc6102 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -103,7 +103,7 @@ EXPORT_SYMBOL_GPL(nfs_commit_free);
static struct nfs_pgio_header *nfs_writehdr_alloc(void)
{
- struct nfs_pgio_header *p = mempool_alloc(nfs_wdata_mempool, GFP_NOIO);
+ struct nfs_pgio_header *p = mempool_alloc(nfs_wdata_mempool, GFP_KERNEL);
memset(p, 0, sizeof(*p));
p->rw_mode = FMODE_WRITE;
@@ -721,12 +721,11 @@ int nfs_writepages(struct address_space *mapping, struct writeback_control *wbc)
struct inode *inode = mapping->host;
struct nfs_pageio_descriptor pgio;
struct nfs_io_completion *ioc;
- unsigned int pflags = memalloc_nofs_save();
int err;
nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGES);
- ioc = nfs_io_completion_alloc(GFP_NOFS);
+ ioc = nfs_io_completion_alloc(GFP_KERNEL);
if (ioc)
nfs_io_completion_init(ioc, nfs_io_completion_commit, inode);
@@ -737,8 +736,6 @@ int nfs_writepages(struct address_space *mapping, struct writeback_control *wbc)
nfs_pageio_complete(&pgio);
nfs_io_completion_put(ioc);
- memalloc_nofs_restore(pflags);
-
if (err < 0)
goto out_err;
err = pgio.pg_error;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 06:11:59 +0000