linux-kernel - Re: WARNING: at fs/buffer.c:1186 mark_buffer

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Message-Id: <200810291125.31547.nickpiggin@yahoo.com.au>
Date:	Wed, 29 Oct 2008 11:25:31 +1100
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	Vladislav Bolkhovitin <vst@...b.net>
Cc:	linux-fsdevel@...r.kernel.org, viro@...iv.linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: Re: WARNING: at fs/buffer.c:1186 mark_buffer_dirty+0x51/0x66()

On Wednesday 29 October 2008 06:38, Vladislav Bolkhovitin wrote:
> Nick Piggin wrote:
> > On Saturday 25 October 2008 03:10, Vladislav Bolkhovitin wrote:
> >> Hi,
> >>
> >> During recent debugging session of my SCSI target SCST
> >> (http://scst.sf.net) I noticed many
> >>
> >> WARNING: at fs/buffer.c:1186 mark_buffer_dirty+0x51/0x66()
> >>
> >> messages in kernel log on the initiator. I attached the full log of
> >> several of them.
> >>
> >> My target was buggy and I was working on fixing it, but I suppose Linux
> >> should handle such failures more gracefully. In all the cases the target
> >> had one type of failure: it "ate" a SCSI command and never returned
> >> result of it.
> >
> > Right. This is one of the warnings I see in my fault-injection testing.
> > It is fixed by my patch to clean up and improve the page and buffer
> > error handling in the vm/fs.
>
> Can you specify which patch you referring? Is it in 2.6.27?

It's just an RFC at the moment which I posted to fsdevel. Not in 2.6.27.
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