inotify: send IN_UNMOUNT events

Since the .31 or so notify rewrite inotify has not sent events about
inodes which are unmounted.  This patch restores those events.

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

1 files changed, 5 insertions, 2 deletions

diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 44aeb0f1b222..f381dafe8efb 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -90,8 +90,11 @@ static inline __u32 inotify_arg_to_mask(u32 arg)
 {
         __u32 mask;
 
-        /* everything should accept their own ignored and cares about children */
-        mask = (FS_IN_IGNORED | FS_EVENT_ON_CHILD);
+        /*
+         * everything should accept their own ignored, cares about children,
+         * and should receive events when the inode is unmounted
+         */
+        mask = (FS_IN_IGNORED | FS_EVENT_ON_CHILD | FS_UNMOUNT);
 
         /* mask off the flags used to open the fd */
         mask |= (arg & (IN_ALL_EVENTS | IN_ONESHOT));