fsnotify: add a way to stop queueing events on group shutdown

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[ Upstream commit 12703dbfeb ]

Implement a function that can be called when a group is being shutdown
to stop queueing new events to the group.  Fanotify will use this.

Fixes: 5838d4442b ("fanotify: fix double free of pending permission events")
Link: http://lkml.kernel.org/r/1473797711-14111-2-git-send-email-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Miklos Szeredi <mszeredi@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>

...

This commit is contained in:

Jan Kara 2016-09-19 14:44:27 -07:00 • committed by Sasha Levin

parent 8a66ed3130

commit 05eb9c0772

3 changed files with 29 additions and 1 deletions

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19

fs/notify/group.c

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8

fs/notify/notification.c

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3

include/linux/fsnotify_backend.h

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