linux-kernel - Problems with hfsplus on ipods in 2.6.38+

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Message-ID: <alpine.LNX.2.00.1107131942190.2056@iabervon.org>
Date:	Wed, 13 Jul 2011 22:10:13 -0400 (EDT)
From:	Daniel Barkalow <barkalow@...ervon.org>
To:	Christoph Hellwig <hch@...era.com>
cc:	linux-kernel@...r.kernel.org
Subject: Problems with hfsplus on ipods in 2.6.38+

I've got an ipod which doesn't work with 2.6.38 or later, unless I revert:

358f26d52680cb150907302d4334359de7dd2d59
52399b171dfaea02b6944cd6feba49b624147126

In the failing case, I get:

 sd 2:0:0:0: [sdb] Bad block number requested
 hfs: unable to find HFS+ superblock

in dmesg when I try to mount it.

Before 2.6.38, or with those commits reverted, it mounts fine and works so 
far as I can tell. (There's an Ubuntu bug report: 
https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/734883, which 
reports other people having similar results). I can test patches and 
collect information that might be helpful, if you have any ideas.

	-Daniel
*This .sig left intentionally blank*
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