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authorAndreas Gruenbacher <agruen@suse.de>2010-07-28 10:18:38 -0400
committerEric Paris <eparis@redhat.com>2010-07-28 10:18:52 -0400
commit8778abb9a88fc4a74d8776ffaadf7214cf33c61e (patch)
tree6a32c8b885e68b3d6035887face6a3c5414d609e /fs
parent75c1be487a690db43da2c1234fcacd84c982803c (diff)
downloadop-kernel-dev-8778abb9a88fc4a74d8776ffaadf7214cf33c61e.zip
op-kernel-dev-8778abb9a88fc4a74d8776ffaadf7214cf33c61e.tar.gz
fsnotify: Exchange list heads instead of moving elements
Instead of moving list elements from destroy_list to &private_destroy_list, exchange the list heads. Signed-off-by: Andreas Gruenbacher <agruen@suse.de> Signed-off-by: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/notify/mark.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/notify/mark.c b/fs/notify/mark.c
index 41f3990..236f29b 100644
--- a/fs/notify/mark.c
+++ b/fs/notify/mark.c
@@ -349,10 +349,8 @@ static int fsnotify_mark_destroy(void *ignored)
for (;;) {
spin_lock(&destroy_lock);
- list_for_each_entry_safe(mark, next, &destroy_list, destroy_list) {
- list_del(&mark->destroy_list);
- list_add(&mark->destroy_list, &private_destroy_list);
- }
+ /* exchange the list head */
+ list_replace_init(&destroy_list, &private_destroy_list);
spin_unlock(&destroy_lock);
synchronize_srcu(&fsnotify_mark_srcu);
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