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-rw-r--r--fs/nfs/Kconfig8
-rw-r--r--fs/nfs/delegation.c2
-rw-r--r--fs/nfs/dir.c32
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.c4
-rw-r--r--fs/nfs/fs_context.c6
-rw-r--r--fs/nfs/fscache.c4
-rw-r--r--fs/nfs/inode.c3
-rw-r--r--fs/nfs/internal.h6
-rw-r--r--fs/nfs/namespace.c4
-rw-r--r--fs/nfs/nfs3_fs.h2
-rw-r--r--fs/nfs/nfs3acl.c9
-rw-r--r--fs/nfs/nfs3proc.c4
-rw-r--r--fs/nfs/nfs42xdr.c9
-rw-r--r--fs/nfs/nfs4_fs.h1
-rw-r--r--fs/nfs/nfs4file.c12
-rw-r--r--fs/nfs/nfs4idmap.c2
-rw-r--r--fs/nfs/nfs4proc.c57
-rw-r--r--fs/nfs/nfs4state.c7
-rw-r--r--fs/nfs/nfs4trace.h10
-rw-r--r--fs/nfs/nfs4xdr.c22
-rw-r--r--fs/nfs/nfstrace.h6
-rw-r--r--fs/nfs/pagelist.c2
-rw-r--r--fs/nfs/sysfs.c6
-rw-r--r--fs/nfs/unlink.c1
-rw-r--r--fs/nfs/write.c4
25 files changed, 131 insertions, 92 deletions
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 14a72224b657..1ead5bd740c2 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -209,8 +209,8 @@ config NFS_DISABLE_UDP_SUPPORT
config NFS_V4_2_READ_PLUS
bool "NFS: Enable support for the NFSv4.2 READ_PLUS operation"
depends on NFS_V4_2
- default n
+ default y
help
- This is intended for developers only. The READ_PLUS operation has
- been shown to have issues under specific conditions and should not
- be used in production.
+ Choose Y here to enable the use of READ_PLUS over NFS v4.2. READ_PLUS
+ attempts to improve read performance by compressing out sparse holes
+ in the file contents.
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index ead8a0e06abf..cf7365581031 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -146,7 +146,7 @@ static int nfs_delegation_claim_locks(struct nfs4_state *state, const nfs4_state
{
struct inode *inode = state->inode;
struct file_lock *fl;
- struct file_lock_context *flctx = inode->i_flctx;
+ struct file_lock_context *flctx = locks_inode_context(inode);
struct list_head *list;
int status = 0;
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index f594dac436a7..ea1ceffa1d3a 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1074,6 +1074,8 @@ static int readdir_search_pagecache(struct nfs_readdir_descriptor *desc)
return res;
}
+#define NFS_READDIR_CACHE_MISS_THRESHOLD (16UL)
+
/*
* Once we've found the start of the dirent within a page: fill 'er up...
*/
@@ -1083,6 +1085,7 @@ static void nfs_do_filldir(struct nfs_readdir_descriptor *desc,
struct file *file = desc->file;
struct nfs_cache_array *array;
unsigned int i;
+ bool first_emit = !desc->dir_cookie;
array = kmap_local_page(desc->page);
for (i = desc->cache_entry_index; i < array->size; i++) {
@@ -1106,6 +1109,10 @@ static void nfs_do_filldir(struct nfs_readdir_descriptor *desc,
desc->ctx->pos = desc->dir_cookie;
else
desc->ctx->pos++;
+ if (first_emit && i > NFS_READDIR_CACHE_MISS_THRESHOLD + 1) {
+ desc->eob = true;
+ break;
+ }
}
if (array->page_is_eof)
desc->eof = !desc->eob;
@@ -1187,8 +1194,6 @@ out:
return status;
}
-#define NFS_READDIR_CACHE_MISS_THRESHOLD (16UL)
-
static bool nfs_readdir_handle_cache_misses(struct inode *inode,
struct nfs_readdir_descriptor *desc,
unsigned int cache_misses,
@@ -2948,9 +2953,28 @@ static struct nfs_access_entry *nfs_access_search_rbtree(struct inode *inode, co
return NULL;
}
+static u64 nfs_access_login_time(const struct task_struct *task,
+ const struct cred *cred)
+{
+ const struct task_struct *parent;
+ u64 ret;
+
+ rcu_read_lock();
+ for (;;) {
+ parent = rcu_dereference(task->real_parent);
+ if (parent == task || cred_fscmp(parent->cred, cred) != 0)
+ break;
+ task = parent;
+ }
+ ret = task->start_time;
+ rcu_read_unlock();
+ return ret;
+}
+
static int nfs_access_get_cached_locked(struct inode *inode, const struct cred *cred, u32 *mask, bool may_block)
{
struct nfs_inode *nfsi = NFS_I(inode);
+ u64 login_time = nfs_access_login_time(current, cred);
struct nfs_access_entry *cache;
bool retry = true;
int err;
@@ -2978,6 +3002,9 @@ static int nfs_access_get_cached_locked(struct inode *inode, const struct cred *
spin_lock(&inode->i_lock);
retry = false;
}
+ err = -ENOENT;
+ if ((s64)(login_time - cache->timestamp) > 0)
+ goto out;
*mask = cache->mask;
list_move_tail(&cache->lru, &nfsi->access_cache_entry_lru);
err = 0;
@@ -3057,6 +3084,7 @@ static void nfs_access_add_rbtree(struct inode *inode,
else
goto found;
}
+ set->timestamp = ktime_get_ns();
rb_link_node(&set->rb_node, parent, p);
rb_insert_color(&set->rb_node, root_node);
list_add_tail(&set->lru, &nfsi->access_cache_entry_lru);
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 1ec79ccf89ad..7deb3cd76abe 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -493,10 +493,10 @@ ff_layout_alloc_lseg(struct pnfs_layout_hdr *lh,
gid = make_kgid(&init_user_ns, id);
if (gfp_flags & __GFP_FS)
- kcred = prepare_kernel_cred(NULL);
+ kcred = prepare_kernel_cred(&init_task);
else {
unsigned int nofs_flags = memalloc_nofs_save();
- kcred = prepare_kernel_cred(NULL);
+ kcred = prepare_kernel_cred(&init_task);
memalloc_nofs_restore(nofs_flags);
}
rc = -ENOMEM;
diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c
index 09833ec102fc..9bcd53d5c7d4 100644
--- a/fs/nfs/fs_context.c
+++ b/fs/nfs/fs_context.c
@@ -684,6 +684,8 @@ static int nfs_fs_context_parse_param(struct fs_context *fc,
return ret;
break;
case Opt_vers:
+ if (!param->string)
+ goto out_invalid_value;
trace_nfs_mount_assign(param->key, param->string);
ret = nfs_parse_version_string(fc, param->string);
if (ret < 0)
@@ -696,6 +698,8 @@ static int nfs_fs_context_parse_param(struct fs_context *fc,
break;
case Opt_proto:
+ if (!param->string)
+ goto out_invalid_value;
trace_nfs_mount_assign(param->key, param->string);
protofamily = AF_INET;
switch (lookup_constant(nfs_xprt_protocol_tokens, param->string, -1)) {
@@ -732,6 +736,8 @@ static int nfs_fs_context_parse_param(struct fs_context *fc,
break;
case Opt_mountproto:
+ if (!param->string)
+ goto out_invalid_value;
trace_nfs_mount_assign(param->key, param->string);
mountfamily = AF_INET;
switch (lookup_constant(nfs_xprt_protocol_tokens, param->string, -1)) {
diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c
index e861d7bae305..e731c00a9fcb 100644
--- a/fs/nfs/fscache.c
+++ b/fs/nfs/fscache.c
@@ -252,7 +252,7 @@ static int fscache_fallback_read_page(struct inode *inode, struct page *page)
bvec[0].bv_page = page;
bvec[0].bv_offset = 0;
bvec[0].bv_len = PAGE_SIZE;
- iov_iter_bvec(&iter, READ, bvec, ARRAY_SIZE(bvec), PAGE_SIZE);
+ iov_iter_bvec(&iter, ITER_DEST, bvec, ARRAY_SIZE(bvec), PAGE_SIZE);
ret = fscache_begin_read_operation(&cres, cookie);
if (ret < 0)
@@ -282,7 +282,7 @@ static int fscache_fallback_write_page(struct inode *inode, struct page *page,
bvec[0].bv_page = page;
bvec[0].bv_offset = 0;
bvec[0].bv_len = PAGE_SIZE;
- iov_iter_bvec(&iter, WRITE, bvec, ARRAY_SIZE(bvec), PAGE_SIZE);
+ iov_iter_bvec(&iter, ITER_SOURCE, bvec, ARRAY_SIZE(bvec), PAGE_SIZE);
ret = fscache_begin_write_operation(&cres, cookie);
if (ret < 0)
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 6b2cfa59a1a2..e98ee7599eeb 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1168,7 +1168,8 @@ int nfs_open(struct inode *inode, struct file *filp)
{
struct nfs_open_context *ctx;
- ctx = alloc_nfs_open_context(file_dentry(filp), filp->f_mode, filp);
+ ctx = alloc_nfs_open_context(file_dentry(filp),
+ flags_to_mode(filp->f_flags), filp);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
nfs_file_set_open_context(filp, ctx);
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 647fc3f547cb..ae7d4a8c728c 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -739,12 +739,10 @@ unsigned long nfs_io_size(unsigned long iosize, enum xprt_transports proto)
iosize = NFS_DEF_FILE_IO_SIZE;
else if (iosize >= NFS_MAX_FILE_IO_SIZE)
iosize = NFS_MAX_FILE_IO_SIZE;
- else
- iosize = iosize & PAGE_MASK;
- if (proto == XPRT_TRANSPORT_UDP)
+ if (proto == XPRT_TRANSPORT_UDP || iosize < PAGE_SIZE)
return nfs_block_bits(iosize, NULL);
- return iosize;
+ return iosize & PAGE_MASK;
}
/*
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 2f336ace7555..b0ef7e7ddb30 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -147,7 +147,7 @@ struct vfsmount *nfs_d_automount(struct path *path)
struct nfs_fs_context *ctx;
struct fs_context *fc;
struct vfsmount *mnt = ERR_PTR(-ENOMEM);
- struct nfs_server *server = NFS_SERVER(d_inode(path->dentry));
+ struct nfs_server *server = NFS_SB(path->dentry->d_sb);
struct nfs_client *client = server->nfs_client;
int timeout = READ_ONCE(nfs_mountpoint_expiry_timeout);
int ret;
@@ -354,7 +354,7 @@ static int param_get_nfs_timeout(char *buffer, const struct kernel_param *kp)
num = (num + (HZ - 1)) / HZ;
} else
num = -1;
- return scnprintf(buffer, PAGE_SIZE, "%li\n", num);
+ return sysfs_emit(buffer, "%li\n", num);
}
static const struct kernel_param_ops param_ops_nfs_timeout = {
diff --git a/fs/nfs/nfs3_fs.h b/fs/nfs/nfs3_fs.h
index 03a4e679fd99..df9ca56db347 100644
--- a/fs/nfs/nfs3_fs.h
+++ b/fs/nfs/nfs3_fs.h
@@ -12,7 +12,7 @@
*/
#ifdef CONFIG_NFS_V3_ACL
extern struct posix_acl *nfs3_get_acl(struct inode *inode, int type, bool rcu);
-extern int nfs3_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+extern int nfs3_set_acl(struct user_namespace *mnt_userns, struct dentry *dentry,
struct posix_acl *acl, int type);
extern int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
struct posix_acl *dfacl);
diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c
index 93de0b58647a..74d11e3c4205 100644
--- a/fs/nfs/nfs3acl.c
+++ b/fs/nfs/nfs3acl.c
@@ -255,23 +255,24 @@ int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
}
-int nfs3_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
+int nfs3_set_acl(struct user_namespace *mnt_userns, struct dentry *dentry,
struct posix_acl *acl, int type)
{
struct posix_acl *orig = acl, *dfacl = NULL, *alloc;
+ struct inode *inode = d_inode(dentry);
int status;
if (S_ISDIR(inode->i_mode)) {
switch(type) {
case ACL_TYPE_ACCESS:
- alloc = get_acl(inode, ACL_TYPE_DEFAULT);
+ alloc = get_inode_acl(inode, ACL_TYPE_DEFAULT);
if (IS_ERR(alloc))
goto fail;
dfacl = alloc;
break;
case ACL_TYPE_DEFAULT:
- alloc = get_acl(inode, ACL_TYPE_ACCESS);
+ alloc = get_inode_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(alloc))
goto fail;
dfacl = acl;
@@ -312,7 +313,7 @@ nfs3_list_one_acl(struct inode *inode, int type, const char *name, void *data,
struct posix_acl *acl;
char *p = data + *result;
- acl = get_acl(inode, type);
+ acl = get_inode_acl(inode, type);
if (IS_ERR_OR_NULL(acl))
return 0;
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 2e7579626cf0..4bf208a0a8e9 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -998,7 +998,7 @@ static const struct inode_operations nfs3_dir_inode_operations = {
.setattr = nfs_setattr,
#ifdef CONFIG_NFS_V3_ACL
.listxattr = nfs3_listxattr,
- .get_acl = nfs3_get_acl,
+ .get_inode_acl = nfs3_get_acl,
.set_acl = nfs3_set_acl,
#endif
};
@@ -1009,7 +1009,7 @@ static const struct inode_operations nfs3_file_inode_operations = {
.setattr = nfs_setattr,
#ifdef CONFIG_NFS_V3_ACL
.listxattr = nfs3_listxattr,
- .get_acl = nfs3_get_acl,
+ .get_inode_acl = nfs3_get_acl,
.set_acl = nfs3_set_acl,
#endif
};
diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c
index fe1aeb0f048f..d80ee88ca996 100644
--- a/fs/nfs/nfs42xdr.c
+++ b/fs/nfs/nfs42xdr.c
@@ -47,13 +47,14 @@
#define decode_deallocate_maxsz (op_decode_hdr_maxsz)
#define encode_read_plus_maxsz (op_encode_hdr_maxsz + \
encode_stateid_maxsz + 3)
-#define NFS42_READ_PLUS_SEGMENT_SIZE (1 /* data_content4 */ + \
+#define NFS42_READ_PLUS_DATA_SEGMENT_SIZE \
+ (1 /* data_content4 */ + \
2 /* data_info4.di_offset */ + \
- 2 /* data_info4.di_length */)
+ 1 /* data_info4.di_length */)
#define decode_read_plus_maxsz (op_decode_hdr_maxsz + \
1 /* rpr_eof */ + \
1 /* rpr_contents count */ + \
- 2 * NFS42_READ_PLUS_SEGMENT_SIZE)
+ NFS42_READ_PLUS_DATA_SEGMENT_SIZE)
#define encode_seek_maxsz (op_encode_hdr_maxsz + \
encode_stateid_maxsz + \
2 /* offset */ + \
@@ -1142,7 +1143,7 @@ static int decode_read_plus(struct xdr_stream *xdr, struct nfs_pgio_res *res)
if (!segs)
return -ENOMEM;
- xdr_set_scratch_buffer(xdr, &scratch_buf, 32);
+ xdr_set_scratch_buffer(xdr, &scratch_buf, sizeof(scratch_buf));
status = -EIO;
for (i = 0; i < segments; i++) {
status = decode_read_plus_segment(xdr, &segs[i]);
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index cfef738d765e..5edd1704f735 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -149,6 +149,7 @@ struct nfs4_lock_state {
struct nfs4_state * ls_state; /* Pointer to open state */
#define NFS_LOCK_INITIALIZED 0
#define NFS_LOCK_LOST 1
+#define NFS_LOCK_UNLOCKING 2
unsigned long ls_flags;
struct nfs_seqid_counter ls_seqid;
nfs4_stateid ls_stateid;
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index 9eb181287879..2563ed8580f3 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -32,7 +32,6 @@ nfs4_file_open(struct inode *inode, struct file *filp)
struct dentry *parent = NULL;
struct inode *dir;
unsigned openflags = filp->f_flags;
- fmode_t f_mode;
struct iattr attr;
int err;
@@ -51,17 +50,14 @@ nfs4_file_open(struct inode *inode, struct file *filp)
if (err)
return err;
- f_mode = filp->f_mode;
- if ((openflags & O_ACCMODE) == 3)
- f_mode |= flags_to_mode(openflags);
-
/* We can't create new files here */
openflags &= ~(O_CREAT|O_EXCL);
parent = dget_parent(dentry);
dir = d_inode(parent);
- ctx = alloc_nfs_open_context(file_dentry(filp), f_mode, filp);
+ ctx = alloc_nfs_open_context(file_dentry(filp),
+ flags_to_mode(openflags), filp);
err = PTR_ERR(ctx);
if (IS_ERR(ctx))
goto out;
@@ -366,8 +362,8 @@ static struct file *__nfs42_ssc_open(struct vfsmount *ss_mnt,
goto out_free_name;
}
- ctx = alloc_nfs_open_context(filep->f_path.dentry, filep->f_mode,
- filep);
+ ctx = alloc_nfs_open_context(filep->f_path.dentry,
+ flags_to_mode(filep->f_flags), filep);
if (IS_ERR(ctx)) {
res = ERR_CAST(ctx);
goto out_filep;
diff --git a/fs/nfs/nfs4idmap.c b/fs/nfs/nfs4idmap.c
index e3fdd2f45b01..25a7c771cfd8 100644
--- a/fs/nfs/nfs4idmap.c
+++ b/fs/nfs/nfs4idmap.c
@@ -203,7 +203,7 @@ int nfs_idmap_init(void)
printk(KERN_NOTICE "NFS: Registering the %s key type\n",
key_type_id_resolver.name);
- cred = prepare_kernel_cred(NULL);
+ cred = prepare_kernel_cred(&init_task);
if (!cred)
return -ENOMEM;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 86ed5c0142c3..40d749f29ed3 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -122,6 +122,11 @@ nfs4_label_init_security(struct inode *dir, struct dentry *dentry,
if (nfs_server_capable(dir, NFS_CAP_SECURITY_LABEL) == 0)
return NULL;
+ label->lfs = 0;
+ label->pi = 0;
+ label->len = 0;
+ label->label = NULL;
+
err = security_dentry_init_security(dentry, sattr->ia_mode,
&dentry->d_name, NULL,
(void **)&label->label, &label->len);
@@ -2126,18 +2131,18 @@ static struct nfs4_opendata *nfs4_open_recoverdata_alloc(struct nfs_open_context
}
static int nfs4_open_recover_helper(struct nfs4_opendata *opendata,
- fmode_t fmode)
+ fmode_t fmode)
{
struct nfs4_state *newstate;
+ struct nfs_server *server = NFS_SB(opendata->dentry->d_sb);
+ int openflags = opendata->o_arg.open_flags;
int ret;
if (!nfs4_mode_match_open_stateid(opendata->state, fmode))
return 0;
- opendata->o_arg.open_flags = 0;
opendata->o_arg.fmode = fmode;
- opendata->o_arg.share_access = nfs4_map_atomic_open_share(
- NFS_SB(opendata->dentry->d_sb),
- fmode, 0);
+ opendata->o_arg.share_access =
+ nfs4_map_atomic_open_share(server, fmode, openflags);
memset(&opendata->o_res, 0, sizeof(opendata->o_res));
memset(&opendata->c_res, 0, sizeof(opendata->c_res));
nfs4_init_opendata_res(opendata);
@@ -2625,8 +2630,7 @@ static int _nfs4_recover_proc_open(struct nfs4_opendata *data)
*/
static int nfs4_opendata_access(const struct cred *cred,
struct nfs4_opendata *opendata,
- struct nfs4_state *state, fmode_t fmode,
- int openflags)
+ struct nfs4_state *state, fmode_t fmode)
{
struct nfs_access_entry cache;
u32 mask, flags;
@@ -2637,11 +2641,7 @@ static int nfs4_opendata_access(const struct cred *cred,
return 0;
mask = 0;
- /*
- * Use openflags to check for exec, because fmode won't
- * always have FMODE_EXEC set when file open for exec.
- */
- if (openflags & __FMODE_EXEC) {
+ if (fmode & FMODE_EXEC) {
/* ONLY check for exec rights */
if (S_ISDIR(state->inode->i_mode))
mask = NFS4_ACCESS_LOOKUP;
@@ -2719,10 +2719,15 @@ static int _nfs4_open_expired(struct nfs_open_context *ctx, struct nfs4_state *s
struct nfs4_opendata *opendata;
int ret;
- opendata = nfs4_open_recoverdata_alloc(ctx, state,
- NFS4_OPEN_CLAIM_FH);
+ opendata = nfs4_open_recoverdata_alloc(ctx, state, NFS4_OPEN_CLAIM_FH);
if (IS_ERR(opendata))
return PTR_ERR(opendata);
+ /*
+ * We're not recovering a delegation, so ask for no delegation.
+ * Otherwise the recovery thread could deadlock with an outstanding
+ * delegation return.
+ */
+ opendata->o_arg.open_flags = O_DIRECT;
ret = nfs4_open_recover(opendata, state);
if (ret == -ESTALE)
d_drop(ctx->dentry);
@@ -3024,7 +3029,7 @@ static unsigned nfs4_exclusive_attrset(struct nfs4_opendata *opendata,
}
static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
- int flags, struct nfs_open_context *ctx)
+ struct nfs_open_context *ctx)
{
struct nfs4_state_owner *sp = opendata->owner;
struct nfs_server *server = sp->so_server;
@@ -3085,8 +3090,7 @@ 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,
- acc_mode, flags);
+ ret = nfs4_opendata_access(sp->so_cred, opendata, state, acc_mode);
if (ret != 0)
goto out;
@@ -3160,7 +3164,7 @@ 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, flags, ctx);
+ status = _nfs4_open_and_get_state(opendata, ctx);
if (status != 0)
goto err_opendata_put;
state = ctx->state;
@@ -3796,7 +3800,7 @@ nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx,
int open_flags, struct iattr *attr, int *opened)
{
struct nfs4_state *state;
- struct nfs4_label l = {0, 0, 0, NULL}, *label = NULL;
+ struct nfs4_label l, *label;
label = nfs4_label_init_security(dir, ctx->dentry, attr, &l);
@@ -4013,7 +4017,7 @@ static int _nfs4_discover_trunking(struct nfs_server *server,
page = alloc_page(GFP_KERNEL);
if (!page)
- return -ENOMEM;
+ goto out_put_cred;
locations = kmalloc(sizeof(struct nfs4_fs_locations), GFP_KERNEL);
if (!locations)
goto out_free;
@@ -4035,6 +4039,8 @@ out_free_2:
kfree(locations);
out_free:
__free_page(page);
+out_put_cred:
+ put_cred(cred);
return status;
}
@@ -4682,7 +4688,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
int flags)
{
struct nfs_server *server = NFS_SERVER(dir);
- struct nfs4_label l, *ilabel = NULL;
+ struct nfs4_label l, *ilabel;
struct nfs_open_context *ctx;
struct nfs4_state *state;
int status = 0;
@@ -5033,7 +5039,7 @@ static int nfs4_proc_symlink(struct inode *dir, struct dentry *dentry,
struct nfs4_exception exception = {
.interruptible = true,
};
- struct nfs4_label l, *label = NULL;
+ struct nfs4_label l, *label;
int err;
label = nfs4_label_init_security(dir, dentry, sattr, &l);
@@ -5074,7 +5080,7 @@ static int nfs4_proc_mkdir(struct inode *dir, struct dentry *dentry,
struct nfs4_exception exception = {
.interruptible = true,
};
- struct nfs4_label l, *label = NULL;
+ struct nfs4_label l, *label;
int err;
label = nfs4_label_init_security(dir, dentry, sattr, &l);
@@ -5193,7 +5199,7 @@ static int nfs4_proc_mknod(struct inode *dir, struct dentry *dentry,
struct nfs4_exception exception = {
.interruptible = true,
};
- struct nfs4_label l, *label = NULL;
+ struct nfs4_label l, *label;
int err;
label = nfs4_label_init_security(dir, dentry, sattr, &l);
@@ -7017,12 +7023,13 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock *
mutex_unlock(&sp->so_delegreturn_mutex);
goto out;
}
+ lsp = request->fl_u.nfs4_fl.owner;
+ set_bit(NFS_LOCK_UNLOCKING, &lsp->ls_flags);
up_read(&nfsi->rwsem);
mutex_unlock(&sp->so_delegreturn_mutex);
if (status != 0)
goto out;
/* Is this a delegated lock? */
- lsp = request->fl_u.nfs4_fl.owner;
if (test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags) == 0)
goto out;
alloc_seqid = NFS_SERVER(inode)->nfs_client->cl_mvops->alloc_seqid;
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index a2d2d5d1b088..2a0ca5c7f082 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1230,6 +1230,8 @@ void nfs4_schedule_state_manager(struct nfs_client *clp)
if (IS_ERR(task)) {
printk(KERN_ERR "%s: kthread_run: %ld\n",
__func__, PTR_ERR(task));
+ if (!nfs_client_init_is_complete(clp))
+ nfs_mark_client_ready(clp, PTR_ERR(task));
nfs4_clear_state_manager_bit(clp);
clear_bit(NFS4CLNT_MANAGER_AVAILABLE, &clp->cl_state);
nfs_put_client(clp);
@@ -1501,7 +1503,7 @@ static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_
struct file_lock *fl;
struct nfs4_lock_state *lsp;
int status = 0;
- struct file_lock_context *flctx = inode->i_flctx;
+ struct file_lock_context *flctx = locks_inode_context(inode);
struct list_head *list;
if (flctx == NULL)
@@ -1619,7 +1621,8 @@ static int __nfs4_reclaim_open_state(struct nfs4_state_owner *sp, struct nfs4_st
spin_lock(&state->state_lock);
list_for_each_entry(lock, &state->lock_states, ls_locks) {
trace_nfs4_state_lock_reclaim(state, lock);
- if (!test_bit(NFS_LOCK_INITIALIZED, &lock->ls_flags))
+ if (!test_bit(NFS_LOCK_INITIALIZED, &lock->ls_flags) &&
+ !test_bit(NFS_LOCK_UNLOCKING, &lock->ls_flags))
*lost_locks += 1;
}
spin_unlock(&state->state_lock);
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index 2cff5901c689..214bc56f92d2 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -9,10 +9,10 @@
#define _TRACE_NFS4_H
#include <linux/tracepoint.h>
-#include <trace/events/sunrpc_base.h>
+#include <trace/misc/sunrpc.h>
-#include <trace/events/fs.h>
-#include <trace/events/nfs.h>
+#include <trace/misc/fs.h>
+#include <trace/misc/nfs.h>
#define show_nfs_fattr_flags(valid) \
__print_flags((unsigned long)valid, "|", \
@@ -1815,7 +1815,7 @@ TRACE_EVENT(pnfs_update_layout,
__entry->count = count;
__entry->iomode = iomode;
__entry->reason = reason;
- if (lo != NULL) {
+ if (lo != NULL && pnfs_layout_is_valid(lo)) {
__entry->layoutstateid_seq =
be32_to_cpu(lo->plh_stateid.seqid);
__entry->layoutstateid_hash =
@@ -1869,7 +1869,7 @@ DECLARE_EVENT_CLASS(pnfs_layout_event,
__entry->pos = pos;
__entry->count = count;
__entry->iomode = iomode;
- if (lo != NULL) {
+ if (lo != NULL && pnfs_layout_is_valid(lo)) {
__entry->layoutstateid_seq =
be32_to_cpu(lo->plh_stateid.seqid);
__entry->layoutstateid_hash =
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index acfe5f4bda48..deec76cf5afe 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -4234,19 +4234,17 @@ static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap,
p = xdr_inline_decode(xdr, len);
if (unlikely(!p))
return -EIO;
+ bitmap[2] &= ~FATTR4_WORD2_SECURITY_LABEL;
if (len < NFS4_MAXLABELLEN) {
- if (label) {
- if (label->len) {
- if (label->len < len)
- return -ERANGE;
- memcpy(label->label, p, len);
- }
+ if (label && label->len) {
+ if (label->len < len)
+ return -ERANGE;
+ memcpy(label->label, p, len);
label->len = len;
label->pi = pi;
label->lfs = lfs;
status = NFS_ATTR_FATTR_V4_SECURITY_LABEL;
}
- bitmap[2] &= ~FATTR4_WORD2_SECURITY_LABEL;
} else
printk(KERN_WARNING "%s: label too long (%u)!\n",
__func__, len);
@@ -4755,12 +4753,10 @@ static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap,
if (status < 0)
goto xdr_error;
- if (fattr->label) {
- status = decode_attr_security_label(xdr, bitmap, fattr->label);
- if (status < 0)
- goto xdr_error;
- fattr->valid |= status;
- }
+ status = decode_attr_security_label(xdr, bitmap, fattr->label);
+ if (status < 0)
+ goto xdr_error;
+ fattr->valid |= status;
xdr_error:
dprintk("%s: xdr returned %d\n", __func__, -status);
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index 8c6cc58679ff..642f6921852f 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -11,9 +11,9 @@
#include <linux/tracepoint.h>
#include <linux/iversion.h>
-#include <trace/events/fs.h>
-#include <trace/events/nfs.h>
-#include <trace/events/sunrpc_base.h>
+#include <trace/misc/fs.h>
+#include <trace/misc/nfs.h>
+#include <trace/misc/sunrpc.h>
#define nfs_show_cache_validity(v) \
__print_flags(v, "|", \
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 317cedfa52bf..16be6dae524f 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -1055,7 +1055,7 @@ static unsigned int nfs_coalesce_size(struct nfs_page *prev,
if (prev) {
if (!nfs_match_open_context(nfs_req_openctx(req), nfs_req_openctx(prev)))
return 0;
- flctx = d_inode(nfs_req_openctx(req)->dentry)->i_flctx;
+ flctx = locks_inode_context(d_inode(nfs_req_openctx(req)->dentry));
if (flctx != NULL &&
!(list_empty_careful(&flctx->flc_posix) &&
list_empty_careful(&flctx->flc_flock)) &&
diff --git a/fs/nfs/sysfs.c b/fs/nfs/sysfs.c
index a6f740366963..0cbcd2dfa732 100644
--- a/fs/nfs/sysfs.c
+++ b/fs/nfs/sysfs.c
@@ -26,7 +26,7 @@ static void nfs_netns_object_release(struct kobject *kobj)
}
static const struct kobj_ns_type_operations *nfs_netns_object_child_ns_type(
- struct kobject *kobj)
+ const struct kobject *kobj)
{
return &net_ns_type_operations;
}
@@ -82,7 +82,7 @@ static ssize_t nfs_netns_identifier_show(struct kobject *kobj,
ssize_t ret;
rcu_read_lock();
- ret = scnprintf(buf, PAGE_SIZE, "%s\n", rcu_dereference(c->identifier));
+ ret = sysfs_emit(buf, "%s\n", rcu_dereference(c->identifier));
rcu_read_unlock();
return ret;
}
@@ -130,7 +130,7 @@ static void nfs_netns_client_release(struct kobject *kobj)
kfree(c);
}
-static const void *nfs_netns_client_namespace(struct kobject *kobj)
+static const void *nfs_netns_client_namespace(const struct kobject *kobj)
{
return container_of(kobj, struct nfs_netns_client, kobject)->net;
}
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
index 9697cd5d2561..150a953a8be9 100644
--- a/fs/nfs/unlink.c
+++ b/fs/nfs/unlink.c
@@ -139,6 +139,7 @@ static int nfs_call_unlink(struct dentry *dentry, struct inode *inode, struct nf
*/
spin_lock(&alias->d_lock);
if (d_really_is_positive(alias) &&
+ !nfs_compare_fh(NFS_FH(inode), NFS_FH(d_inode(alias))) &&
!(alias->d_flags & DCACHE_NFSFS_RENAMED)) {
devname_garbage = alias->d_fsdata;
alias->d_fsdata = data;
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index f41d24b54fd1..80c240e50952 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1185,7 +1185,7 @@ int nfs_flush_incompatible(struct file *file, struct page *page)
{
struct nfs_open_context *ctx = nfs_file_open_context(file);
struct nfs_lock_context *l_ctx;
- struct file_lock_context *flctx = file_inode(file)->i_flctx;
+ struct file_lock_context *flctx = locks_inode_context(file_inode(file));
struct nfs_page *req;
int do_flush, status;
/*
@@ -1321,7 +1321,7 @@ static int nfs_can_extend_write(struct file *file, struct page *page,
struct inode *inode, unsigned int pagelen)
{
int ret;
- struct file_lock_context *flctx = inode->i_flctx;
+ struct file_lock_context *flctx = locks_inode_context(inode);
struct file_lock *fl;
if (file->f_flags & O_DSYNC)