linux-ext4 - [Bug 40512] EXT4_IOC_MIGRATE is dangerous on directories

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Message-Id: <201108040631.p746VhOf015044@demeter2.kernel.org>
Date:	Thu, 4 Aug 2011 06:31:43 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 40512] EXT4_IOC_MIGRATE is dangerous on directories

https://bugzilla.kernel.org/show_bug.cgi?id=40512


Tao Ma <tm@....ma> changed:

           What    |Removed                     |Added
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                 CC|                            |tm@....ma




--- Comment #1 from Tao Ma <tm@....ma>  2011-08-04 06:31:42 ---
Tested with 3.0, and it works here. git log shows that a possible fix should be
74e4e6db3 which is included in 3.0.

One thing you could confirm is to run:
debugfs 'stat dir' /dev/sdx
to see whether the EXTENTS flags is set or not. If it isn't set, it should be
the root cause.

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