073f65522a
Fanotify code has its own lock (access_lock) to protect a list of events waiting for a response from userspace. However this is somewhat awkward as the same list_head in the event is protected by notification_lock if it is part of the notification queue and by access_lock if it is part of the fanotify private queue which makes it difficult for any reliable checks in the generic code. So make fanotify use the same lock - notification_lock - for protecting its private event list. Link: http://lkml.kernel.org/r/1473797711-14111-6-git-send-email-jack@suse.cz Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de> Cc: Miklos Szeredi <mszeredi@redhat.com> Cc: Eric Paris <eparis@redhat.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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