From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 21092] Kernel 2.6.36 Bug during quotaon on reiserfs
Date: Wed, 27 Oct 2010 21:55:30 GMT
Message-ID: <201010272155.o9RLtUqb021637@demeter2.kernel.org>
References: <bug-21092-695@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=21092


Jan Kara <jack@suse.cz> changed:

           What    |Removed                     |Added
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                 CC|                            |jack@suse.cz




--- Comment #1 from Jan Kara <jack@suse.cz>  2010-10-27 21:55:24 ---
This looks like a fallout of the BKL conversion in reiserfs. After the
conversion, it is expected that reiserfs_unpack will be called with write_lock
held but that's not the case for the call from reiserfs_quota_on.

The easiest is probably to just acquire write_lock before calling
reiserfs_unpack. The attached patch does this and don't see the BUG with it.

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