From 8778abb9a88fc4a74d8776ffaadf7214cf33c61e Mon Sep 17 00:00:00 2001 From: Andreas Gruenbacher Date: Wed, 28 Jul 2010 10:18:38 -0400 Subject: [PATCH] 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 Signed-off-by: Eric Paris --- fs/notify/mark.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/notify/mark.c b/fs/notify/mark.c index 41f3990f900b..236f29b066ed 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); -- 2.20.1