fsnotify: vfsmount marks generic functions

Much like inode-mark.c has all of the code dealing with marks on inodes
this patch adds a vfsmount-mark.c which has similar code but is intended
for marks on vfsmounts.

Signed-off-by: Eric Paris <eparis@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 27cccbecbf23..f21ff1bd4b5a 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -360,6 +360,8 @@ extern struct fsnotify_event *fsnotify_remove_notify_event(struct fsnotify_group
 
 /* functions used to manipulate the marks attached to inodes */
 
+/* run all marks associated with a vfsmount and update mnt->mnt_fsnotify_mask */
+extern void fsnotify_recalc_vfsmount_mask(struct vfsmount *mnt);
 /* run all marks associated with an inode and update inode->i_fsnotify_mask */
 extern void fsnotify_recalc_inode_mask(struct inode *inode);
 extern void fsnotify_init_mark(struct fsnotify_mark *mark, void (*free_mark)(struct fsnotify_mark *mark));