diff options
| author |   Jan Kara <jack@suse.cz> | 2014-04-03 14:46:34 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-03 16:20:51 -0700 |
| commit | 9573f79355ff3711c98227d14a9b7f4cb3222b97 (patch) | |
| tree | b1ad8d66757b538cf67a570332ae263e2510fc50 /include | |
| parent | fanotify: use fanotify event structure for permission response processing (diff) | |
| download | linux-dev-9573f79355ff3711c98227d14a9b7f4cb3222b97.tar.xz linux-dev-9573f79355ff3711c98227d14a9b7f4cb3222b97.zip | |
fanotify: convert access_mutex to spinlock
access_mutex is used only to guard operations on access_list. There's
no need for sleeping within this lock so just make a spinlock out of it.
Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Eric Paris <eparis@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fsnotify_backend.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 64cf3ef50696..fc7718c6bd3e 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -178,7 +178,7 @@ struct fsnotify_group { struct fanotify_group_private_data { #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS /* allows a group to block waiting for a userspace response */ - struct mutex access_mutex; + spinlock_t access_lock; struct list_head access_list; wait_queue_head_t access_waitq; atomic_t bypass_perm; |