2 * Copyright (C) 2008 Red Hat, Inc., Eric Paris <eparis@redhat.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2, or (at your option)
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; see the file COPYING. If not, write to
16 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <linux/init.h>
21 #include <linux/kernel.h>
22 #include <linux/module.h>
23 #include <linux/mount.h>
24 #include <linux/mutex.h>
25 #include <linux/spinlock.h>
27 #include <linux/atomic.h>
29 #include <linux/fsnotify_backend.h>
33 * given a group and vfsmount, find the mark associated with that combination.
34 * if found take a reference to that mark and return it, else return NULL
36 struct fsnotify_mark *fsnotify_find_vfsmount_mark(struct fsnotify_group *group,
39 struct mount *m = real_mount(mnt);
41 return fsnotify_find_mark(&m->mnt_fsnotify_marks, group);