tree b1ad8d66757b538cf67a570332ae263e2510fc50
parent f083441ba86acb9e2ef9c1d1747725e488c8b1ff
author Jan Kara <jack@suse.cz> 1396561594 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1396567251 -0700

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>