[34-longterm 136/260] inotify: send IN_UNMOUNT events

[Paul Gortmaker]

From: Eric Paris <eparis@xxxxxxxxxx>

commit 611da04f7a31b2208e838be55a42c7a1310ae321 upstream.

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@xxxxxxxxxx>
Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
---
 fs/notify/inotify/inotify_user.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index e46ca68..0c6bbc0 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -96,8 +96,11 @@ 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));
-- 
1.7.3.3

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