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authorLino Sanfilippo <LinoSanfilippo@gmx.de>2011-06-14 17:29:51 +0200
committerEric Paris <eparis@redhat.com>2012-12-11 19:44:36 +0100
commite2a29943e9a2ee2aa737a77f550f46ba72269db4 (patch)
treecf0275eeed130433df241f115cbd2f9ebea96e7f /fs/notify/mark.c
parentfsnotify: use a mutex instead of a spinlock to protect a groups mark list (diff)
downloadlinux-e2a29943e9a2ee2aa737a77f550f46ba72269db4.tar.xz
linux-e2a29943e9a2ee2aa737a77f550f46ba72269db4.zip
fsnotify: pass group to fsnotify_destroy_mark()
In fsnotify_destroy_mark() dont get the group from the passed mark anymore, but pass the group itself as an additional parameter to the function. Signed-off-by: Lino Sanfilippo <LinoSanfilippo@gmx.de> Signed-off-by: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'fs/notify/mark.c')
-rw-r--r--fs/notify/mark.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/fs/notify/mark.c b/fs/notify/mark.c
index ab25b810b146..b77c833c8d0a 100644
--- a/fs/notify/mark.c
+++ b/fs/notify/mark.c
@@ -121,21 +121,11 @@ void fsnotify_put_mark(struct fsnotify_mark *mark)
* The caller had better be holding a reference to this mark so we don't actually
* do the final put under the mark->lock
*/
-void fsnotify_destroy_mark(struct fsnotify_mark *mark)
+void fsnotify_destroy_mark(struct fsnotify_mark *mark,
+ struct fsnotify_group *group)
{
- struct fsnotify_group *group;
struct inode *inode = NULL;
- spin_lock(&mark->lock);
- /* dont get the group from a mark that is not alive yet */
- if (!(mark->flags & FSNOTIFY_MARK_FLAG_ALIVE)) {
- spin_unlock(&mark->lock);
- return;
- }
- fsnotify_get_group(mark->group);
- group = mark->group;
- spin_unlock(&mark->lock);
-
mutex_lock(&group->mark_mutex);
spin_lock(&mark->lock);
@@ -143,7 +133,7 @@ void fsnotify_destroy_mark(struct fsnotify_mark *mark)
if (!(mark->flags & FSNOTIFY_MARK_FLAG_ALIVE)) {
spin_unlock(&mark->lock);
mutex_unlock(&group->mark_mutex);
- goto put_group;
+ return;
}
mark->flags &= ~FSNOTIFY_MARK_FLAG_ALIVE;
@@ -194,9 +184,6 @@ void fsnotify_destroy_mark(struct fsnotify_mark *mark)
*/
atomic_dec(&group->num_marks);
-
-put_group:
- fsnotify_put_group(group);
}
void fsnotify_set_mark_mask_locked(struct fsnotify_mark *mark, __u32 mask)
@@ -307,7 +294,7 @@ void fsnotify_clear_marks_by_group_flags(struct fsnotify_group *group,
mutex_unlock(&group->mark_mutex);
list_for_each_entry_safe(mark, lmark, &free_list, free_g_list) {
- fsnotify_destroy_mark(mark);
+ fsnotify_destroy_mark(mark, group);
fsnotify_put_mark(mark);
}
}