linux-kernel - [PATCH 4/4] inotify/dnotify: should_send_event shouldn't match on FS_EVENT_ON

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Date:	Mon, 01 Jun 2009 16:03:31 -0400
From:	Eric Paris <eparis@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	viro@...IV.linux.org.uk, hch@....de, eparis@...hat.com
Subject: [PATCH 4/4] inotify/dnotify: should_send_event shouldn't match on
	FS_EVENT_ON_CHILD

inotify and dnotify will both indicate that they want any event which came
from a child inode.  The fix is to mask off FS_EVENT_ON_CHILD when deciding
if inotify or dnotify is interested in a given event.

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

 fs/notify/dnotify/dnotify.c          |    1 +
 fs/notify/inotify/inotify_fsnotify.c |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c
index ec459b6..98a7516 100644
--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -153,6 +153,7 @@ static bool dnotify_should_send_event(struct fsnotify_group *group,
 	if (!entry)
 		return false;
 
+	mask = (mask & ~FS_EVENT_ON_CHILD);
 	send = (mask & entry->mask);
 
 	fsnotify_put_mark(entry); /* matches fsnotify_find_mark_entry */
diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c
index 160da54..7ef75b8 100644
--- a/fs/notify/inotify/inotify_fsnotify.c
+++ b/fs/notify/inotify/inotify_fsnotify.c
@@ -95,6 +95,7 @@ static bool inotify_should_send_event(struct fsnotify_group *group, struct inode
 	if (!entry)
 		return false;
 
+	mask = (mask & ~FS_EVENT_ON_CHILD);
 	send = (entry->mask & mask);
 
 	/* find took a reference */

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