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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-03-09 17:58:49 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-03-14 00:17:28 -0400 |
| commit | 27f203f655a2e1dab66598a5b19afb637c587f0b (patch) | |
| tree | a022bd5f91af856da9cd9e31329850bcc0163873 | |
| parent | 34d0d19dc0929ccc326448737f05a8fae3d47b8a (diff) | |
| download | linux-27f203f655a2e1dab66598a5b19afb637c587f0b.tar.gz linux-27f203f655a2e1dab66598a5b19afb637c587f0b.tar.bz2 linux-27f203f655a2e1dab66598a5b19afb637c587f0b.zip | |
untangle fsnotify_d_instantiate() a bit
First of all, don't bother calling it if inode is NULL -
that makes inode argument unused. Moreover, do it *before*
dropping ->d_lock, not right after that (and don't bother
grabbing ->d_lock in it, of course).
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/dcache.c | 3 | ||||
| -rw-r--r-- | include/linux/fsnotify.h | 9 | ||||
| -rw-r--r-- | include/linux/fsnotify_backend.h | 9 |
3 files changed, 4 insertions, 17 deletions
diff --git a/fs/dcache.c b/fs/dcache.c index 12280df07837..244fd2487fe9 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1750,8 +1750,9 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode) raw_write_seqcount_begin(&dentry->d_seq); __d_set_inode_and_type(dentry, inode, add_flags); raw_write_seqcount_end(&dentry->d_seq); + if (inode) + __fsnotify_d_instantiate(dentry); spin_unlock(&dentry->d_lock); - fsnotify_d_instantiate(dentry, inode); } /** diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index 7ee1774edee5..0141f257d67b 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -16,15 +16,6 @@ #include <linux/slab.h> #include <linux/bug.h> -/* - * fsnotify_d_instantiate - instantiate a dentry for inode - */ -static inline void fsnotify_d_instantiate(struct dentry *dentry, - struct inode *inode) -{ - __fsnotify_d_instantiate(dentry, inode); -} - /* Notify this dentry's parent about a child's events. */ static inline int fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask) { diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 6b7e89f45aa4..827b249259f7 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -293,14 +293,9 @@ static inline void __fsnotify_update_dcache_flags(struct dentry *dentry) /* * fsnotify_d_instantiate - instantiate a dentry for inode */ -static inline void __fsnotify_d_instantiate(struct dentry *dentry, struct inode *inode) +static inline void __fsnotify_d_instantiate(struct dentry *dentry) { - if (!inode) - return; - - spin_lock(&dentry->d_lock); __fsnotify_update_dcache_flags(dentry); - spin_unlock(&dentry->d_lock); } /* called from fsnotify listeners, such as fanotify or dnotify */ @@ -399,7 +394,7 @@ static inline void __fsnotify_vfsmount_delete(struct vfsmount *mnt) static inline void __fsnotify_update_dcache_flags(struct dentry *dentry) {} -static inline void __fsnotify_d_instantiate(struct dentry *dentry, struct inode *inode) +static inline void __fsnotify_d_instantiate(struct dentry *dentry) {} static inline u32 fsnotify_get_cookie(void) |