From: John McCutchan <ttb@tentacle.dhs.org>
To: Andrew Morton <akpm@osdl.org>, Robert Love <rml@novell.com>,
linux-kernel@vger.kernel.org, jim.houston@ccur.com
Subject: idr_get_new_above not working?
Date: Mon, 15 Aug 2005 10:16:46 -0400 [thread overview]
Message-ID: <1124115406.7369.6.camel@vertex> (raw)
Hey,
Inotify is using idr_get_new_above to make sure that the next watch
descriptor is larger/different than any of the previous watch
descriptors. We keep track of the largest wd that we get out of
idr_get_new_above, and pass that to idr_get_new_above. I have noticed
though, that idr_get_new_above always returns the first available id.
This causes a serious problem for inotify, because user space will get a
IGNORE event for a wd K that might refer to the last holder of the K.
--
John McCutchan <ttb@tentacle.dhs.org>
next reply other threads:[~2005-08-15 14:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-15 14:16 John McCutchan [this message]
2005-08-15 16:27 ` [patch] inotify: idr_get_new_above not working? Robert Love
2005-08-15 16:35 ` John McCutchan
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