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Date: Mon, 09 Jul 2007 07:28:29 +0300
From: Timo Sirainen <tss@....fi>
To: linux-kernel@...r.kernel.org
Subject: inotify_rm_watch() EINVAL race condition for deleted files
1. Add IN_DELETE_SELF watch to a file
2. unlink() the file
3. Try to remove the watch -> EINVAL
I undestand this happens because there's an IN_IGNORED event in the
inotify queue, but couldn't inotify_rm_watch() be silent about it if the
event hasn't been read()? Otherwise there's a race condition between the
read() and inotify_rm_watch(), so I'll just always have to ignore EINVAL
errors. I don't like ignoring errors.
(2.6.21.3 + ext3 if it matters)
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