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authorAl Viro <viro@zeniv.linux.org.uk>2016-05-29 18:35:12 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2016-05-29 18:35:12 -0400
commitaffda48410a5bbfd516def60bbc97f2683cd9f7b (patch)
treef54b2612ec4b6d8cf5bfbd4f5dbb300b2de7da75
parent77d5a6b7d9924e2ebb96c6e80bb9fc78615e41b5 (diff)
trim fsnotify hooks a bit
fsnotify_d_move()/__fsnotify_d_instantiate()/__fsnotify_update_dcache_flags() are identical to each other, regardless of the config. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/dcache.c8
-rw-r--r--include/linux/fsnotify.h12
-rw-r--r--include/linux/fsnotify_backend.h20
3 files changed, 7 insertions, 33 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index ad4a542e9bab..f9c63c108881 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1769,7 +1769,7 @@ 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);
- __fsnotify_d_instantiate(dentry);
+ fsnotify_update_flags(dentry);
spin_unlock(&dentry->d_lock);
}
@@ -2563,7 +2563,7 @@ static inline void __d_add(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);
- __fsnotify_d_instantiate(dentry);
+ fsnotify_update_flags(dentry);
}
_d_rehash(dentry);
if (dir)
@@ -2853,8 +2853,8 @@ static void __d_move(struct dentry *dentry, struct dentry *target,
list_move(&target->d_child, &target->d_parent->d_subdirs);
list_move(&dentry->d_child, &dentry->d_parent->d_subdirs);
if (exchange)
- fsnotify_d_move(target);
- fsnotify_d_move(dentry);
+ fsnotify_update_flags(target);
+ fsnotify_update_flags(dentry);
}
write_seqcount_end(&target->d_seq);
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 0141f257d67b..eed9e853a06f 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -52,18 +52,6 @@ static inline int fsnotify_perm(struct file *file, int mask)
}
/*
- * fsnotify_d_move - dentry has been moved
- */
-static inline void fsnotify_d_move(struct dentry *dentry)
-{
- /*
- * On move we need to update dentry->d_flags to indicate if the new parent
- * cares about events from this dentry.
- */
- __fsnotify_update_dcache_flags(dentry);
-}
-
-/*
* fsnotify_link_count - inode's link count changed
*/
static inline void fsnotify_link_count(struct inode *inode)
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index d188a107c562..58205f33af02 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -267,10 +267,8 @@ static inline int fsnotify_inode_watches_children(struct inode *inode)
* Update the dentry with a flag indicating the interest of its parent to receive
* filesystem events when those events happens to this dentry->d_inode.
*/
-static inline void __fsnotify_update_dcache_flags(struct dentry *dentry)
+static inline void fsnotify_update_flags(struct dentry *dentry)
{
- struct dentry *parent;
-
assert_spin_locked(&dentry->d_lock);
/*
@@ -280,21 +278,12 @@ static inline void __fsnotify_update_dcache_flags(struct dentry *dentry)
* find our entry, so it will spin until we complete here, and update
* us with the new state.
*/
- parent = dentry->d_parent;
- if (fsnotify_inode_watches_children(parent->d_inode))
+ if (fsnotify_inode_watches_children(dentry->d_parent->d_inode))
dentry->d_flags |= DCACHE_FSNOTIFY_PARENT_WATCHED;
else
dentry->d_flags &= ~DCACHE_FSNOTIFY_PARENT_WATCHED;
}
-/*
- * fsnotify_d_instantiate - instantiate a dentry for inode
- */
-static inline void __fsnotify_d_instantiate(struct dentry *dentry)
-{
- __fsnotify_update_dcache_flags(dentry);
-}
-
/* called from fsnotify listeners, such as fanotify or dnotify */
/* create a new group */
@@ -386,10 +375,7 @@ static inline void __fsnotify_inode_delete(struct inode *inode)
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)
+static inline void fsnotify_update_flags(struct dentry *dentry)
{}
static inline u32 fsnotify_get_cookie(void)