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Re: 2.6.30-rc4: xfs_fsr hangs

To: Eric Sandeen <sandeen@xxxxxxxxxxx>
Subject: Re: 2.6.30-rc4: xfs_fsr hangs
From: Felix Blyakher <felixb@xxxxxxx>
Date: Thu, 7 May 2009 20:04:17 -0500
Cc: Alexander Beregalov <a.beregalov@xxxxxxxxx>, Kernel Testers List <kernel-testers@xxxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <4A037503.1070904@xxxxxxxxxxx>
References: <a4423d670905011333s664115bdh1d72392897567c1d@xxxxxxxxxxxxxx> <4A036FBC.9020201@xxxxxxxxxxx> <4A037503.1070904@xxxxxxxxxxx>

On May 7, 2009, at 6:55 PM, Eric Sandeen wrote:

Eric Sandeen wrote:

there are 2 subsequent unlocks for the same inode:

1:
xfs_iunlock: ip ca2304c0 ino 132  flags 0x5

...

2:
xfs_iunlock: ip ca230980 ino 131  flags 0x5


Ugh no, those are 2 different inodes.... I can read, really. :) still,
looking into it.

I've been chasing this as well, and I found the double xfs iolock
unlock which is causing xfs_fsr deadlock itself. I have a fix tested.
The patch is coming.

Felix



-Eric
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