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| author | Andreas Gruenbacher <agruen@suse.de> | 2009-12-17 21:24:25 -0500 |
|---|---|---|
| committer | Eric Paris <eparis@redhat.com> | 2010-07-28 09:58:54 -0400 |
| commit | 35566087099c3ff8901d65ee98af56347ee66e5a (patch) | |
| tree | e4e56bcf787e5f100fa1ea0138c417e1203b10ae /fs/notify/dnotify | |
| parent | ef5e2b785fb3216269e6d0656d38ec286b98dbe5 (diff) | |
| download | linux-35566087099c3ff8901d65ee98af56347ee66e5a.tar.bz2 | |
fsnotify: take inode->i_lock inside fsnotify_find_mark_entry()
All callers to fsnotify_find_mark_entry() except one take and
release inode->i_lock around the call. Take the lock inside
fsnotify_find_mark_entry() instead.
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'fs/notify/dnotify')
| -rw-r--r-- | fs/notify/dnotify/dnotify.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c index 3efb8b9a572d..cac2eb896639 100644 --- a/fs/notify/dnotify/dnotify.c +++ b/fs/notify/dnotify/dnotify.c @@ -95,11 +95,7 @@ static int dnotify_handle_event(struct fsnotify_group *group, to_tell = event->to_tell; - spin_lock(&to_tell->i_lock); fsn_mark = fsnotify_find_mark(group, to_tell); - spin_unlock(&to_tell->i_lock); - - /* unlikely since we alreay passed dnotify_should_send_event() */ if (unlikely(!fsn_mark)) return 0; dn_mark = container_of(fsn_mark, struct dnotify_mark, fsn_mark); @@ -147,11 +143,7 @@ static bool dnotify_should_send_event(struct fsnotify_group *group, if (!S_ISDIR(inode->i_mode)) return false; - spin_lock(&inode->i_lock); fsn_mark = fsnotify_find_mark(group, inode); - spin_unlock(&inode->i_lock); - - /* no mark means no dnotify watch */ if (!fsn_mark) return false; @@ -201,9 +193,7 @@ void dnotify_flush(struct file *filp, fl_owner_t id) if (!S_ISDIR(inode->i_mode)) return; - spin_lock(&inode->i_lock); fsn_mark = fsnotify_find_mark(dnotify_group, inode); - spin_unlock(&inode->i_lock); if (!fsn_mark) return; dn_mark = container_of(fsn_mark, struct dnotify_mark, fsn_mark); @@ -356,9 +346,7 @@ int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg) mutex_lock(&dnotify_mark_mutex); /* add the new_fsn_mark or find an old one. */ - spin_lock(&inode->i_lock); fsn_mark = fsnotify_find_mark(dnotify_group, inode); - spin_unlock(&inode->i_lock); if (fsn_mark) { dn_mark = container_of(fsn_mark, struct dnotify_mark, fsn_mark); spin_lock(&fsn_mark->lock); |