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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 /include
parent6dfbd149946c22c2e2886d6b560def78630c8387 (diff)
downloadlinux-986ab09807ca9454c3f54aae4db7e1bb00daeed3.tar.gz
linux-986ab09807ca9454c3f54aae4db7e1bb00daeed3.tar.xz
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 'include')
-rw-r--r--include/linux/fsnotify_backend.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index e76cef75295d..c5848346840d 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -141,7 +141,7 @@ struct fsnotify_group {
unsigned int priority;
/* stores all fastpath marks assoc with this group so they can be cleaned on unregister */
- spinlock_t mark_lock; /* protect marks_list */
+ struct mutex mark_mutex; /* protect marks_list */
atomic_t num_marks; /* 1 for each mark and 1 for not being
* past the point of no return when freeing
* a group */