linux-kernel - Re: XFS / Quota Bug in 2.6.17.x and 2.6.18x

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Message-ID: <Pine.LNX.4.61.0607281909080.4972@yvahk01.tjqt.qr>
Date:	Fri, 28 Jul 2006 19:11:31 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	ProfiHost - Stefan Priebe <s.priebe@...fihost.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Nathan Scott <nathans@....com>,
	Alexey Dobriyan <adobriyan@...il.com>
Subject: Re: XFS / Quota Bug in  2.6.17.x and 2.6.18x


> The crash only occurs if you use quota and IDE without barrier support.

I don't quite get this. I do use quota, and have barriers turned 
off (either explicitly or because the drive does not support it),
but yet no error message like you posted. Do I just have luck?

> The Problem is, that on a new mount of a root filesystem - the flag VFS_RDONLY
> is set - and so no barrier check is done before checking quota. With this patch
> barrier check is done always. The partition should not be mounted at that
> moment. For mount -o remount, rw or something like this it uses another
> function where VFS_RDONLY is checked.

Jan Engelhardt
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