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authorDavid Howells <dhowells@redhat.com>2015-03-17 22:25:59 +0000
committerAl Viro <viro@zeniv.linux.org.uk>2015-04-15 15:06:57 -0400
commit2b0143b5c986be1ce8408b3aadc4709e0a94429d (patch)
tree98b1dee70f3d5d9ac9309f4638e41864ddcd0952 /fs/fuse/dir.c
parentce0b16ddf18df35026164fda4a642ef10c01f442 (diff)
VFS: normal filesystems (and lustre): d_inode() annotations
that's the bulk of filesystem drivers dealing with inodes of their own Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/fuse/dir.c')
-rw-r--r--fs/fuse/dir.c60
1 files changed, 30 insertions, 30 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 1545b711ddcf..0572bca49f15 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -192,7 +192,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags)
struct fuse_inode *fi;
int ret;
- inode = ACCESS_ONCE(entry->d_inode);
+ inode = d_inode_rcu(entry);
if (inode && is_bad_inode(inode))
goto invalid;
else if (time_before64(fuse_dentry_time(entry), get_jiffies_64()) ||
@@ -220,7 +220,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags)
attr_version = fuse_get_attr_version(fc);
parent = dget_parent(entry);
- fuse_lookup_init(fc, &args, get_node_id(parent->d_inode),
+ fuse_lookup_init(fc, &args, get_node_id(d_inode(parent)),
&entry->d_name, &outarg);
ret = fuse_simple_request(fc, &args);
dput(parent);
@@ -254,7 +254,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags)
return -ECHILD;
} else if (test_and_clear_bit(FUSE_I_INIT_RDPLUS, &fi->state)) {
parent = dget_parent(entry);
- fuse_advise_use_readdirplus(parent->d_inode);
+ fuse_advise_use_readdirplus(d_inode(parent));
dput(parent);
}
}
@@ -487,7 +487,7 @@ static int fuse_atomic_open(struct inode *dir, struct dentry *entry,
entry = res;
}
- if (!(flags & O_CREAT) || entry->d_inode)
+ if (!(flags & O_CREAT) || d_really_is_positive(entry))
goto no_open;
/* Only creates */
@@ -653,7 +653,7 @@ static int fuse_unlink(struct inode *dir, struct dentry *entry)
args.in.args[0].value = entry->d_name.name;
err = fuse_simple_request(fc, &args);
if (!err) {
- struct inode *inode = entry->d_inode;
+ struct inode *inode = d_inode(entry);
struct fuse_inode *fi = get_fuse_inode(inode);
spin_lock(&fc->lock);
@@ -689,7 +689,7 @@ static int fuse_rmdir(struct inode *dir, struct dentry *entry)
args.in.args[0].value = entry->d_name.name;
err = fuse_simple_request(fc, &args);
if (!err) {
- clear_nlink(entry->d_inode);
+ clear_nlink(d_inode(entry));
fuse_invalidate_attr(dir);
fuse_invalidate_entry_cache(entry);
} else if (err == -EINTR)
@@ -721,12 +721,12 @@ static int fuse_rename_common(struct inode *olddir, struct dentry *oldent,
err = fuse_simple_request(fc, &args);
if (!err) {
/* ctime changes */
- fuse_invalidate_attr(oldent->d_inode);
- fuse_update_ctime(oldent->d_inode);
+ fuse_invalidate_attr(d_inode(oldent));
+ fuse_update_ctime(d_inode(oldent));
if (flags & RENAME_EXCHANGE) {
- fuse_invalidate_attr(newent->d_inode);
- fuse_update_ctime(newent->d_inode);
+ fuse_invalidate_attr(d_inode(newent));
+ fuse_update_ctime(d_inode(newent));
}
fuse_invalidate_attr(olddir);
@@ -734,10 +734,10 @@ static int fuse_rename_common(struct inode *olddir, struct dentry *oldent,
fuse_invalidate_attr(newdir);
/* newent will end up negative */
- if (!(flags & RENAME_EXCHANGE) && newent->d_inode) {
- fuse_invalidate_attr(newent->d_inode);
+ if (!(flags & RENAME_EXCHANGE) && d_really_is_positive(newent)) {
+ fuse_invalidate_attr(d_inode(newent));
fuse_invalidate_entry_cache(newent);
- fuse_update_ctime(newent->d_inode);
+ fuse_update_ctime(d_inode(newent));
}
} else if (err == -EINTR) {
/* If request was interrupted, DEITY only knows if the
@@ -746,7 +746,7 @@ static int fuse_rename_common(struct inode *olddir, struct dentry *oldent,
directory), then there can be inconsistency between
the dcache and the real filesystem. Tough luck. */
fuse_invalidate_entry(oldent);
- if (newent->d_inode)
+ if (d_really_is_positive(newent))
fuse_invalidate_entry(newent);
}
@@ -788,7 +788,7 @@ static int fuse_link(struct dentry *entry, struct inode *newdir,
{
int err;
struct fuse_link_in inarg;
- struct inode *inode = entry->d_inode;
+ struct inode *inode = d_inode(entry);
struct fuse_conn *fc = get_fuse_conn(inode);
FUSE_ARGS(args);
@@ -961,9 +961,9 @@ int fuse_reverse_inval_entry(struct super_block *sb, u64 parent_nodeid,
fuse_invalidate_attr(parent);
fuse_invalidate_entry(entry);
- if (child_nodeid != 0 && entry->d_inode) {
- mutex_lock(&entry->d_inode->i_mutex);
- if (get_node_id(entry->d_inode) != child_nodeid) {
+ if (child_nodeid != 0 && d_really_is_positive(entry)) {
+ mutex_lock(&d_inode(entry)->i_mutex);
+ if (get_node_id(d_inode(entry)) != child_nodeid) {
err = -ENOENT;
goto badentry;
}
@@ -977,13 +977,13 @@ int fuse_reverse_inval_entry(struct super_block *sb, u64 parent_nodeid,
err = -ENOTEMPTY;
goto badentry;
}
- entry->d_inode->i_flags |= S_DEAD;
+ d_inode(entry)->i_flags |= S_DEAD;
}
dont_mount(entry);
- clear_nlink(entry->d_inode);
+ clear_nlink(d_inode(entry));
err = 0;
badentry:
- mutex_unlock(&entry->d_inode->i_mutex);
+ mutex_unlock(&d_inode(entry)->i_mutex);
if (!err)
d_delete(entry);
} else {
@@ -1169,7 +1169,7 @@ static int fuse_direntplus_link(struct file *file,
struct qstr name = QSTR_INIT(dirent->name, dirent->namelen);
struct dentry *dentry;
struct dentry *alias;
- struct inode *dir = parent->d_inode;
+ struct inode *dir = d_inode(parent);
struct fuse_conn *fc;
struct inode *inode;
@@ -1205,7 +1205,7 @@ static int fuse_direntplus_link(struct file *file,
name.hash = full_name_hash(name.name, name.len);
dentry = d_lookup(parent, &name);
if (dentry) {
- inode = dentry->d_inode;
+ inode = d_inode(dentry);
if (!inode) {
d_drop(dentry);
} else if (get_node_id(inode) != o->nodeid ||
@@ -1367,7 +1367,7 @@ static int fuse_readdir(struct file *file, struct dir_context *ctx)
static char *read_link(struct dentry *dentry)
{
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
struct fuse_conn *fc = get_fuse_conn(inode);
FUSE_ARGS(args);
char *link;
@@ -1712,7 +1712,7 @@ error:
static int fuse_setattr(struct dentry *entry, struct iattr *attr)
{
- struct inode *inode = entry->d_inode;
+ struct inode *inode = d_inode(entry);
if (!fuse_allow_current_process(get_fuse_conn(inode)))
return -EACCES;
@@ -1726,7 +1726,7 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr)
static int fuse_getattr(struct vfsmount *mnt, struct dentry *entry,
struct kstat *stat)
{
- struct inode *inode = entry->d_inode;
+ struct inode *inode = d_inode(entry);
struct fuse_conn *fc = get_fuse_conn(inode);
if (!fuse_allow_current_process(fc))
@@ -1738,7 +1738,7 @@ static int fuse_getattr(struct vfsmount *mnt, struct dentry *entry,
static int fuse_setxattr(struct dentry *entry, const char *name,
const void *value, size_t size, int flags)
{
- struct inode *inode = entry->d_inode;
+ struct inode *inode = d_inode(entry);
struct fuse_conn *fc = get_fuse_conn(inode);
FUSE_ARGS(args);
struct fuse_setxattr_in inarg;
@@ -1774,7 +1774,7 @@ static int fuse_setxattr(struct dentry *entry, const char *name,
static ssize_t fuse_getxattr(struct dentry *entry, const char *name,
void *value, size_t size)
{
- struct inode *inode = entry->d_inode;
+ struct inode *inode = d_inode(entry);
struct fuse_conn *fc = get_fuse_conn(inode);
FUSE_ARGS(args);
struct fuse_getxattr_in inarg;
@@ -1815,7 +1815,7 @@ static ssize_t fuse_getxattr(struct dentry *entry, const char *name,
static ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size)
{
- struct inode *inode = entry->d_inode;
+ struct inode *inode = d_inode(entry);
struct fuse_conn *fc = get_fuse_conn(inode);
FUSE_ARGS(args);
struct fuse_getxattr_in inarg;
@@ -1857,7 +1857,7 @@ static ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size)
static int fuse_removexattr(struct dentry *entry, const char *name)
{
- struct inode *inode = entry->d_inode;
+ struct inode *inode = d_inode(entry);
struct fuse_conn *fc = get_fuse_conn(inode);
FUSE_ARGS(args);
int err;