From 986ab09807ca9454c3f54aae4db7e1bb00daeed3 Mon Sep 17 00:00:00 2001 From: Lino Sanfilippo Date: Tue, 14 Jun 2011 17:29:50 +0200 Subject: fsnotify: use a mutex instead of a spinlock to protect a groups mark list Replaces the groups mark_lock spinlock with a mutex. Using a mutex instead of a spinlock results in more flexibility (i.e it allows to sleep while the lock is held). Signed-off-by: Lino Sanfilippo Signed-off-by: Eric Paris --- fs/notify/vfsmount_mark.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/notify/vfsmount_mark.c') diff --git a/fs/notify/vfsmount_mark.c b/fs/notify/vfsmount_mark.c index b7b4b0e8554f..f26a348827f8 100644 --- a/fs/notify/vfsmount_mark.c +++ b/fs/notify/vfsmount_mark.c @@ -88,8 +88,8 @@ void fsnotify_destroy_vfsmount_mark(struct fsnotify_mark *mark) { struct vfsmount *mnt = mark->m.mnt; + BUG_ON(!mutex_is_locked(&mark->group->mark_mutex)); assert_spin_locked(&mark->lock); - assert_spin_locked(&mark->group->mark_lock); spin_lock(&mnt->mnt_root->d_lock); @@ -151,8 +151,8 @@ int fsnotify_add_vfsmount_mark(struct fsnotify_mark *mark, mark->flags |= FSNOTIFY_MARK_FLAG_VFSMOUNT; + BUG_ON(!mutex_is_locked(&group->mark_mutex)); assert_spin_locked(&mark->lock); - assert_spin_locked(&group->mark_lock); spin_lock(&mnt->mnt_root->d_lock); -- cgit v1.2.1