aboutsummaryrefslogtreecommitdiff
path: root/fs/notify/inode_mark.c
diff options
context:
space:
mode:
authorLino Sanfilippo <LinoSanfilippo@gmx.de>2011-06-14 17:29:50 +0200
committerEric Paris <eparis@redhat.com>2012-12-11 13:29:46 -0500
commit986ab09807ca9454c3f54aae4db7e1bb00daeed3 (patch)
treed6b76b03624a2d95a73ba88d990cd5210ab9eb20 /fs/notify/inode_mark.c
parent6dfbd149946c22c2e2886d6b560def78630c8387 (diff)
downloadlinux-986ab09807ca9454c3f54aae4db7e1bb00daeed3.tar.gz
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 <LinoSanfilippo@gmx.de> Signed-off-by: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'fs/notify/inode_mark.c')
-rw-r--r--fs/notify/inode_mark.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c
index b13c00ac48e..4e9071e37d5 100644
--- a/fs/notify/inode_mark.c
+++ b/fs/notify/inode_mark.c
@@ -63,8 +63,8 @@ void fsnotify_destroy_inode_mark(struct fsnotify_mark *mark)
{
struct inode *inode = mark->i.inode;
+ BUG_ON(!mutex_is_locked(&mark->group->mark_mutex));
assert_spin_locked(&mark->lock);
- assert_spin_locked(&mark->group->mark_lock);
spin_lock(&inode->i_lock);
@@ -191,8 +191,8 @@ int fsnotify_add_inode_mark(struct fsnotify_mark *mark,
mark->flags |= FSNOTIFY_MARK_FLAG_INODE;
+ BUG_ON(!mutex_is_locked(&group->mark_mutex));
assert_spin_locked(&mark->lock);
- assert_spin_locked(&group->mark_lock);
spin_lock(&inode->i_lock);