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-rw-r--r--fs/nfs/blocklayout/extent_tree.c2
-rw-r--r--fs/nfs/direct.c4
-rw-r--r--fs/nfs/dns_resolve.c1
-rw-r--r--fs/nfs/fscache.c39
-rw-r--r--fs/nfs/inode.c14
-rw-r--r--fs/nfs/internal.h10
-rw-r--r--fs/nfs/mount_clnt.c3
-rw-r--r--fs/nfs/nfs3acl.c22
-rw-r--r--fs/nfs/nfs3proc.c2
-rw-r--r--fs/nfs/nfs4proc.c15
-rw-r--r--fs/nfs/nfs4state.c2
-rw-r--r--fs/nfs/nfstrace.h106
-rw-r--r--fs/nfs/pagelist.c7
-rw-r--r--fs/nfs/pnfs.c14
-rw-r--r--fs/nfs/pnfs_nfs.c3
-rw-r--r--fs/nfs/read.c2
-rw-r--r--fs/nfs/super.c3
-rw-r--r--fs/nfs/sysfs.h2
-rw-r--r--fs/nfs/write.c8
19 files changed, 196 insertions, 63 deletions
diff --git a/fs/nfs/blocklayout/extent_tree.c b/fs/nfs/blocklayout/extent_tree.c
index 7a57ff2528af..8f7cff7a4293 100644
--- a/fs/nfs/blocklayout/extent_tree.c
+++ b/fs/nfs/blocklayout/extent_tree.c
@@ -582,7 +582,7 @@ retry:
if (!arg->layoutupdate_pages)
return -ENOMEM;
- start_p = __vmalloc(buffer_size, GFP_NOFS, PAGE_KERNEL);
+ start_p = __vmalloc(buffer_size, GFP_NOFS);
if (!start_p) {
kfree(arg->layoutupdate_pages);
return -ENOMEM;
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index a57e7c72c7f4..1b79dd5cf661 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -446,7 +446,7 @@ ssize_t nfs_file_direct_read(struct kiocb *iocb, struct iov_iter *iter)
struct inode *inode = mapping->host;
struct nfs_direct_req *dreq;
struct nfs_lock_context *l_ctx;
- ssize_t result = -EINVAL, requested;
+ ssize_t result, requested;
size_t count = iov_iter_count(iter);
nfs_add_stats(mapping->host, NFSIOS_DIRECTREADBYTES, count);
@@ -731,6 +731,8 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
nfs_list_remove_request(req);
if (request_commit) {
kref_get(&req->wb_kref);
+ memcpy(&req->wb_verf, &hdr->verf.verifier,
+ sizeof(req->wb_verf));
nfs_mark_request_commit(req, hdr->lseg, &cinfo,
hdr->ds_commit_idx);
}
diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c
index 963800037609..e87d500ad95a 100644
--- a/fs/nfs/dns_resolve.c
+++ b/fs/nfs/dns_resolve.c
@@ -39,7 +39,6 @@ ssize_t nfs_dns_resolve_name(struct net *net, char *name, size_t namelen,
#include <linux/string.h>
#include <linux/kmod.h>
#include <linux/slab.h>
-#include <linux/module.h>
#include <linux/socket.h>
#include <linux/seq_file.h>
#include <linux/inet.h>
diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c
index 1abf126c2df4..a60df88efc40 100644
--- a/fs/nfs/fscache.c
+++ b/fs/nfs/fscache.c
@@ -118,8 +118,6 @@ void nfs_fscache_get_super_cookie(struct super_block *sb, const char *uniq, int
nfss->fscache_key = NULL;
nfss->fscache = NULL;
- if (!(nfss->options & NFS_OPTION_FSCACHE))
- return;
if (!uniq) {
uniq = "";
ulen = 1;
@@ -188,7 +186,8 @@ void nfs_fscache_get_super_cookie(struct super_block *sb, const char *uniq, int
/* create a cache index for looking up filehandles */
nfss->fscache = fscache_acquire_cookie(nfss->nfs_client->fscache,
&nfs_fscache_super_index_def,
- key, sizeof(*key) + ulen,
+ &key->key,
+ sizeof(key->key) + ulen,
NULL, 0,
nfss, 0, true);
dfprintk(FSCACHE, "NFS: get superblock cookie (0x%p/0x%p)\n",
@@ -226,6 +225,19 @@ void nfs_fscache_release_super_cookie(struct super_block *sb)
}
}
+static void nfs_fscache_update_auxdata(struct nfs_fscache_inode_auxdata *auxdata,
+ struct nfs_inode *nfsi)
+{
+ memset(auxdata, 0, sizeof(*auxdata));
+ auxdata->mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec;
+ auxdata->mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec;
+ auxdata->ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec;
+ auxdata->ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec;
+
+ if (NFS_SERVER(&nfsi->vfs_inode)->nfs_client->rpc_ops->version == 4)
+ auxdata->change_attr = inode_peek_iversion_raw(&nfsi->vfs_inode);
+}
+
/*
* Initialise the per-inode cache cookie pointer for an NFS inode.
*/
@@ -239,14 +251,7 @@ void nfs_fscache_init_inode(struct inode *inode)
if (!(nfss->fscache && S_ISREG(inode->i_mode)))
return;
- memset(&auxdata, 0, sizeof(auxdata));
- auxdata.mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec;
- auxdata.mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec;
- auxdata.ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec;
- auxdata.ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec;
-
- if (NFS_SERVER(&nfsi->vfs_inode)->nfs_client->rpc_ops->version == 4)
- auxdata.change_attr = inode_peek_iversion_raw(&nfsi->vfs_inode);
+ nfs_fscache_update_auxdata(&auxdata, nfsi);
nfsi->fscache = fscache_acquire_cookie(NFS_SB(inode->i_sb)->fscache,
&nfs_fscache_inode_object_def,
@@ -266,11 +271,7 @@ void nfs_fscache_clear_inode(struct inode *inode)
dfprintk(FSCACHE, "NFS: clear cookie (0x%p/0x%p)\n", nfsi, cookie);
- memset(&auxdata, 0, sizeof(auxdata));
- auxdata.mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec;
- auxdata.mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec;
- auxdata.ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec;
- auxdata.ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec;
+ nfs_fscache_update_auxdata(&auxdata, nfsi);
fscache_relinquish_cookie(cookie, &auxdata, false);
nfsi->fscache = NULL;
}
@@ -310,11 +311,7 @@ void nfs_fscache_open_file(struct inode *inode, struct file *filp)
if (!fscache_cookie_valid(cookie))
return;
- memset(&auxdata, 0, sizeof(auxdata));
- auxdata.mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec;
- auxdata.mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec;
- auxdata.ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec;
- auxdata.ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec;
+ nfs_fscache_update_auxdata(&auxdata, nfsi);
if (inode_is_open_for_write(inode)) {
dfprintk(FSCACHE, "NFS: nfsi 0x%p disabling cache\n", nfsi);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index b9d0921cb4fe..0bf1f835de01 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -833,6 +833,8 @@ int nfs_getattr(const struct path *path, struct kstat *stat,
do_update |= cache_validity & NFS_INO_INVALID_ATIME;
if (request_mask & (STATX_CTIME|STATX_MTIME))
do_update |= cache_validity & NFS_INO_REVAL_PAGECACHE;
+ if (request_mask & STATX_BLOCKS)
+ do_update |= cache_validity & NFS_INO_INVALID_BLOCKS;
if (do_update) {
/* Update the attribute cache */
if (!(server->flags & NFS_MOUNT_NOAC))
@@ -1764,7 +1766,8 @@ out_noforce:
status = nfs_post_op_update_inode_locked(inode, fattr,
NFS_INO_INVALID_CHANGE
| NFS_INO_INVALID_CTIME
- | NFS_INO_INVALID_MTIME);
+ | NFS_INO_INVALID_MTIME
+ | NFS_INO_INVALID_BLOCKS);
return status;
}
@@ -1871,7 +1874,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR
| NFS_INO_INVALID_ATIME
| NFS_INO_REVAL_FORCED
- | NFS_INO_REVAL_PAGECACHE);
+ | NFS_INO_REVAL_PAGECACHE
+ | NFS_INO_INVALID_BLOCKS);
/* Do atomic weak cache consistency updates */
nfs_wcc_update_inode(inode, fattr);
@@ -2033,8 +2037,12 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
} else if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
inode->i_blocks = fattr->du.nfs2.blocks;
- else
+ else {
+ nfsi->cache_validity |= save_cache_validity &
+ (NFS_INO_INVALID_BLOCKS
+ | NFS_INO_REVAL_FORCED);
cache_revalidated = false;
+ }
/* Update attrtimeo value if we're out of the unstable period */
if (attr_changed) {
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 1f32a9fbfdaf..6673a77884d9 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -668,7 +668,8 @@ void nfs_super_set_maxbytes(struct super_block *sb, __u64 maxfilesize)
}
/*
- * Record the page as unstable and mark its inode as dirty.
+ * Record the page as unstable (an extra writeback period) and mark its
+ * inode as dirty.
*/
static inline
void nfs_mark_page_unstable(struct page *page, struct nfs_commit_info *cinfo)
@@ -676,8 +677,11 @@ void nfs_mark_page_unstable(struct page *page, struct nfs_commit_info *cinfo)
if (!cinfo->dreq) {
struct inode *inode = page_file_mapping(page)->host;
- inc_node_page_state(page, NR_UNSTABLE_NFS);
- inc_wb_stat(&inode_to_bdi(inode)->wb, WB_RECLAIMABLE);
+ /* This page is really still in write-back - just that the
+ * writeback is happening on the server now.
+ */
+ inc_node_page_state(page, NR_WRITEBACK);
+ inc_wb_stat(&inode_to_bdi(inode)->wb, WB_WRITEBACK);
__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
}
}
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index 35c8cb2d7637..dda5c3e65d8d 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -30,6 +30,7 @@
#define encode_dirpath_sz (1 + XDR_QUADLEN(MNTPATHLEN))
#define MNT_status_sz (1)
#define MNT_fhandle_sz XDR_QUADLEN(NFS2_FHSIZE)
+#define MNT_fhandlev3_sz XDR_QUADLEN(NFS3_FHSIZE)
#define MNT_authflav3_sz (1 + NFS_MAX_SECFLAVORS)
/*
@@ -37,7 +38,7 @@
*/
#define MNT_enc_dirpath_sz encode_dirpath_sz
#define MNT_dec_mountres_sz (MNT_status_sz + MNT_fhandle_sz)
-#define MNT_dec_mountres3_sz (MNT_status_sz + MNT_fhandle_sz + \
+#define MNT_dec_mountres3_sz (MNT_status_sz + MNT_fhandlev3_sz + \
MNT_authflav3_sz)
/*
diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c
index c5c3fc6e6c60..26c94b32d6f4 100644
--- a/fs/nfs/nfs3acl.c
+++ b/fs/nfs/nfs3acl.c
@@ -253,37 +253,45 @@ int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
int nfs3_set_acl(struct inode *inode, struct posix_acl *acl, int type)
{
- struct posix_acl *alloc = NULL, *dfacl = NULL;
+ struct posix_acl *orig = acl, *dfacl = NULL, *alloc;
int status;
if (S_ISDIR(inode->i_mode)) {
switch(type) {
case ACL_TYPE_ACCESS:
- alloc = dfacl = get_acl(inode, ACL_TYPE_DEFAULT);
+ alloc = get_acl(inode, ACL_TYPE_DEFAULT);
if (IS_ERR(alloc))
goto fail;
+ dfacl = alloc;
break;
case ACL_TYPE_DEFAULT:
- dfacl = acl;
- alloc = acl = get_acl(inode, ACL_TYPE_ACCESS);
+ alloc = get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(alloc))
goto fail;
+ dfacl = acl;
+ acl = alloc;
break;
}
}
if (acl == NULL) {
- alloc = acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
+ alloc = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
if (IS_ERR(alloc))
goto fail;
+ acl = alloc;
}
status = __nfs3_proc_setacls(inode, acl, dfacl);
- posix_acl_release(alloc);
+out:
+ if (acl != orig)
+ posix_acl_release(acl);
+ if (dfacl != orig)
+ posix_acl_release(dfacl);
return status;
fail:
- return PTR_ERR(alloc);
+ status = PTR_ERR(alloc);
+ goto out;
}
const struct xattr_handler *nfs3_xattr_handlers[] = {
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index a46d1d5d16d8..2397ceedba8a 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -179,11 +179,11 @@ nfs3_proc_lookup(struct inode *dir, struct dentry *dentry,
if (nfs_lookup_is_soft_revalidate(dentry))
task_flags |= RPC_TASK_TIMEOUT;
- dprintk("NFS call lookup %pd2\n", dentry);
res.dir_attr = nfs_alloc_fattr();
if (res.dir_attr == NULL)
return -ENOMEM;
+ dprintk("NFS call lookup %pd2\n", dentry);
nfs_fattr_init(fattr);
status = rpc_call_sync(NFS_CLIENT(dir), &msg, task_flags);
nfs_refresh_inode(dir, res.dir_attr);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 512afb1c7867..e32717fd1169 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6347,7 +6347,7 @@ static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred,
.rpc_client = server->client,
.rpc_message = &msg,
.callback_ops = &nfs4_delegreturn_ops,
- .flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF | RPC_TASK_TIMEOUT,
+ .flags = RPC_TASK_ASYNC | RPC_TASK_TIMEOUT,
};
int status = 0;
@@ -7891,6 +7891,7 @@ static void
nfs4_bind_one_conn_to_session_done(struct rpc_task *task, void *calldata)
{
struct nfs41_bind_conn_to_session_args *args = task->tk_msg.rpc_argp;
+ struct nfs41_bind_conn_to_session_res *res = task->tk_msg.rpc_resp;
struct nfs_client *clp = args->client;
switch (task->tk_status) {
@@ -7899,10 +7900,16 @@ nfs4_bind_one_conn_to_session_done(struct rpc_task *task, void *calldata)
nfs4_schedule_session_recovery(clp->cl_session,
task->tk_status);
}
+ if (args->dir == NFS4_CDFC4_FORE_OR_BOTH &&
+ res->dir != NFS4_CDFS4_BOTH) {
+ rpc_task_close_connection(task);
+ if (args->retries++ < MAX_BIND_CONN_TO_SESSION_RETRIES)
+ rpc_restart_call(task);
+ }
}
static const struct rpc_call_ops nfs4_bind_one_conn_to_session_ops = {
- .rpc_call_done = &nfs4_bind_one_conn_to_session_done,
+ .rpc_call_done = nfs4_bind_one_conn_to_session_done,
};
/*
@@ -7921,6 +7928,7 @@ int nfs4_proc_bind_one_conn_to_session(struct rpc_clnt *clnt,
struct nfs41_bind_conn_to_session_args args = {
.client = clp,
.dir = NFS4_CDFC4_FORE_OR_BOTH,
+ .retries = 0,
};
struct nfs41_bind_conn_to_session_res res;
struct rpc_message msg = {
@@ -9191,8 +9199,7 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout)
nfs4_init_sequence(&lgp->args.seq_args, &lgp->res.seq_res, 0, 0);
task = rpc_run_task(&task_setup_data);
- if (IS_ERR(task))
- return ERR_CAST(task);
+
status = rpc_wait_for_completion_task(task);
if (status != 0)
goto out;
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index ac93715c05a4..a8dc25ce48bb 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -734,9 +734,9 @@ nfs4_get_open_state(struct inode *inode, struct nfs4_state_owner *owner)
state = new;
state->owner = owner;
atomic_inc(&owner->so_count);
- list_add_rcu(&state->inode_states, &nfsi->open_states);
ihold(inode);
state->inode = inode;
+ list_add_rcu(&state->inode_states, &nfsi->open_states);
spin_unlock(&inode->i_lock);
/* Note: The reclaim code dictates that we add stateless
* and read-only stateids to the end of the list */
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index 7e7a97ae21ed..547cec79899f 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -961,6 +961,97 @@ TRACE_EVENT(nfs_readpage_done,
)
);
+TRACE_EVENT(nfs_readpage_short,
+ TP_PROTO(
+ const struct rpc_task *task,
+ const struct nfs_pgio_header *hdr
+ ),
+
+ TP_ARGS(task, hdr),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(u32, fhandle)
+ __field(u64, fileid)
+ __field(loff_t, offset)
+ __field(u32, arg_count)
+ __field(u32, res_count)
+ __field(bool, eof)
+ __field(int, status)
+ ),
+
+ TP_fast_assign(
+ const struct inode *inode = hdr->inode;
+ const struct nfs_inode *nfsi = NFS_I(inode);
+ const struct nfs_fh *fh = hdr->args.fh ?
+ hdr->args.fh : &nfsi->fh;
+
+ __entry->status = task->tk_status;
+ __entry->offset = hdr->args.offset;
+ __entry->arg_count = hdr->args.count;
+ __entry->res_count = hdr->res.count;
+ __entry->eof = hdr->res.eof;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->fileid = nfsi->fileid;
+ __entry->fhandle = nfs_fhandle_hash(fh);
+ ),
+
+ TP_printk(
+ "fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld count=%u res=%u status=%d%s",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->fileid,
+ __entry->fhandle,
+ (long long)__entry->offset, __entry->arg_count,
+ __entry->res_count, __entry->status,
+ __entry->eof ? " eof" : ""
+ )
+);
+
+TRACE_EVENT(nfs_pgio_error,
+ TP_PROTO(
+ const struct nfs_pgio_header *hdr,
+ int error,
+ loff_t pos
+ ),
+
+ TP_ARGS(hdr, error, pos),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(u32, fhandle)
+ __field(u64, fileid)
+ __field(loff_t, offset)
+ __field(u32, arg_count)
+ __field(u32, res_count)
+ __field(loff_t, pos)
+ __field(int, status)
+ ),
+
+ TP_fast_assign(
+ const struct inode *inode = hdr->inode;
+ const struct nfs_inode *nfsi = NFS_I(inode);
+ const struct nfs_fh *fh = hdr->args.fh ?
+ hdr->args.fh : &nfsi->fh;
+
+ __entry->status = error;
+ __entry->offset = hdr->args.offset;
+ __entry->arg_count = hdr->args.count;
+ __entry->res_count = hdr->res.count;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->fileid = nfsi->fileid;
+ __entry->fhandle = nfs_fhandle_hash(fh);
+ ),
+
+ TP_printk("fileid=%02x:%02x:%llu fhandle=0x%08x "
+ "offset=%lld count=%u res=%u pos=%llu status=%d",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->fileid, __entry->fhandle,
+ (long long)__entry->offset, __entry->arg_count, __entry->res_count,
+ __entry->pos, __entry->status
+ )
+);
+
TRACE_DEFINE_ENUM(NFS_UNSTABLE);
TRACE_DEFINE_ENUM(NFS_DATA_SYNC);
TRACE_DEFINE_ENUM(NFS_FILE_SYNC);
@@ -1312,7 +1403,12 @@ TRACE_EVENT(nfs_xdr_status,
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(u32, xid)
+ __field(int, version)
__field(unsigned long, error)
+ __string(program,
+ xdr->rqst->rq_task->tk_client->cl_program->name)
+ __string(procedure,
+ xdr->rqst->rq_task->tk_msg.rpc_proc->p_name)
),
TP_fast_assign(
@@ -1322,13 +1418,19 @@ TRACE_EVENT(nfs_xdr_status,
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
__entry->xid = be32_to_cpu(rqstp->rq_xid);
+ __entry->version = task->tk_client->cl_vers;
__entry->error = error;
+ __assign_str(program,
+ task->tk_client->cl_program->name)
+ __assign_str(procedure, task->tk_msg.rpc_proc->p_name)
),
TP_printk(
- "task:%u@%d xid=0x%08x error=%ld (%s)",
+ "task:%u@%d xid=0x%08x %sv%d %s error=%ld (%s)",
__entry->task_id, __entry->client_id, __entry->xid,
- -__entry->error, nfs_show_status(__entry->error)
+ __get_str(program), __entry->version,
+ __get_str(procedure), -__entry->error,
+ nfs_show_status(__entry->error)
)
);
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index f61f96603df7..6ea4cac41e46 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -24,6 +24,7 @@
#include "internal.h"
#include "pnfs.h"
+#include "nfstrace.h"
#define NFSDBG_FACILITY NFSDBG_PAGECACHE
@@ -64,6 +65,7 @@ void nfs_set_pgio_error(struct nfs_pgio_header *hdr, int error, loff_t pos)
{
unsigned int new = pos - hdr->io_start;
+ trace_nfs_pgio_error(hdr, error, pos);
if (hdr->good_bytes > new) {
hdr->good_bytes = new;
clear_bit(NFS_IOHDR_EOF, &hdr->flags);
@@ -752,7 +754,7 @@ int nfs_initiate_pgio(struct rpc_clnt *clnt, struct nfs_pgio_header *hdr,
.callback_ops = call_ops,
.callback_data = hdr,
.workqueue = nfsiod_workqueue,
- .flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF | flags,
+ .flags = RPC_TASK_ASYNC | flags,
};
hdr->rw_ops->rw_initiate(hdr, &msg, rpc_ops, &task_setup_data, how);
@@ -950,7 +952,8 @@ static int nfs_generic_pg_pgios(struct nfs_pageio_descriptor *desc)
hdr->cred,
NFS_PROTO(hdr->inode),
desc->pg_rpc_callops,
- desc->pg_ioflags, 0);
+ desc->pg_ioflags,
+ RPC_TASK_CRED_NOREF);
return ret;
}
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index f2dc35c22964..dd2e14f5875d 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1332,13 +1332,15 @@ _pnfs_return_layout(struct inode *ino)
!valid_layout) {
spin_unlock(&ino->i_lock);
dprintk("NFS: %s no layout segments to return\n", __func__);
- goto out_put_layout_hdr;
+ goto out_wait_layoutreturn;
}
send = pnfs_prepare_layoutreturn(lo, &stateid, &cred, NULL);
spin_unlock(&ino->i_lock);
if (send)
status = pnfs_send_layoutreturn(lo, &stateid, &cred, IOMODE_ANY, true);
+out_wait_layoutreturn:
+ wait_on_bit(&lo->plh_flags, NFS_LAYOUT_RETURN, TASK_UNINTERRUPTIBLE);
out_put_layout_hdr:
pnfs_free_lseg_list(&tmp_list);
pnfs_put_layout_hdr(lo);
@@ -1456,18 +1458,15 @@ retry:
/* lo ref dropped in pnfs_roc_release() */
layoutreturn = pnfs_prepare_layoutreturn(lo, &stateid, &lc_cred, &iomode);
/* If the creds don't match, we can't compound the layoutreturn */
- if (!layoutreturn)
+ if (!layoutreturn || cred_fscmp(cred, lc_cred) != 0)
goto out_noroc;
- if (cred_fscmp(cred, lc_cred) != 0)
- goto out_noroc_put_cred;
roc = layoutreturn;
pnfs_init_layoutreturn_args(args, lo, &stateid, iomode);
res->lrs_present = 0;
layoutreturn = false;
-
-out_noroc_put_cred:
put_cred(lc_cred);
+
out_noroc:
spin_unlock(&ino->i_lock);
rcu_read_unlock();
@@ -2023,6 +2022,7 @@ lookup_again:
goto lookup_again;
}
+ spin_unlock(&ino->i_lock);
first = true;
status = nfs4_select_rw_stateid(ctx->state,
iomode == IOMODE_RW ? FMODE_WRITE : FMODE_READ,
@@ -2032,12 +2032,12 @@ lookup_again:
trace_pnfs_update_layout(ino, pos, count,
iomode, lo, lseg,
PNFS_UPDATE_LAYOUT_INVALID_OPEN);
- 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;
}
+ spin_lock(&ino->i_lock);
} else {
nfs4_stateid_copy(&stateid, &lo->plh_stateid);
}
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index e7ddbce48321..679767ac258d 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -536,7 +536,8 @@ pnfs_generic_commit_pagelist(struct inode *inode, struct list_head *mds_pages,
nfs_init_commit(data, NULL, NULL, cinfo);
nfs_initiate_commit(NFS_CLIENT(inode), data,
NFS_PROTO(data->inode),
- data->mds_ops, how, 0);
+ data->mds_ops, how,
+ RPC_TASK_CRED_NOREF);
} else {
nfs_init_commit(data, NULL, data->lseg, cinfo);
initiate_commit(data, how);
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 13b22e898116..eb854f1f86e2 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -264,6 +264,8 @@ static void nfs_readpage_retry(struct rpc_task *task,
/* This is a short read! */
nfs_inc_stats(hdr->inode, NFSIOS_SHORTREAD);
+ trace_nfs_readpage_short(task, hdr);
+
/* Has the server at least made some progress? */
if (resp->count == 0) {
nfs_set_pgio_error(hdr, -EIO, argp->offset);
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 59ef3b13ccca..7a70287f21a2 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -185,7 +185,7 @@ static int __nfs_list_for_each_server(struct list_head *head,
rcu_read_lock();
list_for_each_entry_rcu(server, head, client_link) {
- if (!nfs_sb_active(server->super))
+ if (!(server->super && nfs_sb_active(server->super)))
continue;
rcu_read_unlock();
if (last)
@@ -1189,7 +1189,6 @@ static void nfs_get_cache_cookie(struct super_block *sb,
uniq = ctx->fscache_uniq;
ulen = strlen(ctx->fscache_uniq);
}
- return;
}
nfs_fscache_get_super_cookie(sb, uniq, ulen);
diff --git a/fs/nfs/sysfs.h b/fs/nfs/sysfs.h
index f1b27411dcc0..ebcbdc40483b 100644
--- a/fs/nfs/sysfs.h
+++ b/fs/nfs/sysfs.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 Hammerspace Inc
*/
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index df4b87c30ac9..639c34fec04a 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -946,9 +946,9 @@ nfs_mark_request_commit(struct nfs_page *req, struct pnfs_layout_segment *lseg,
static void
nfs_clear_page_commit(struct page *page)
{
- dec_node_page_state(page, NR_UNSTABLE_NFS);
+ dec_node_page_state(page, NR_WRITEBACK);
dec_wb_stat(&inode_to_bdi(page_file_mapping(page)->host)->wb,
- WB_RECLAIMABLE);
+ WB_WRITEBACK);
}
/* Called holding the request lock on @req */
@@ -1695,7 +1695,7 @@ int nfs_initiate_commit(struct rpc_clnt *clnt, struct nfs_commit_data *data,
.callback_ops = call_ops,
.callback_data = data,
.workqueue = nfsiod_workqueue,
- .flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF | flags,
+ .flags = RPC_TASK_ASYNC | flags,
.priority = priority,
};
/* Set up the initial task struct. */
@@ -1813,7 +1813,7 @@ nfs_commit_list(struct inode *inode, struct list_head *head, int how,
nfs_init_commit(data, head, NULL, cinfo);
atomic_inc(&cinfo->mds->rpcs_out);
return nfs_initiate_commit(NFS_CLIENT(inode), data, NFS_PROTO(inode),
- data->mds_ops, how, 0);
+ data->mds_ops, how, RPC_TASK_CRED_NOREF);
}
/*