linux-ext4 - Re: do not disable ext4 discards on first discard failure? [was: Re: dm snapshot: ignore discards issued to the snapshot-origin target]

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Message-ID: <20110518125226.GA19490@redhat.com>
Date:	Wed, 18 May 2011 08:52:27 -0400
From:	Mike Snitzer <snitzer@...hat.com>
To:	"Martin K. Petersen" <martin.petersen@...cle.com>
Cc:	Lukas Czerner <lczerner@...hat.com>, sandeen@...hat.com,
	Christoph Hellwig <hch@...radead.org>,
	device-mapper development <dm-devel@...hat.com>,
	DarkNovaNick@...il.com, linux-lvm@...hat.com,
	linux-ext4@...r.kernel.org, Alasdair G Kergon <agk@...hat.com>
Subject: Re: do not disable ext4 discards on first discard failure? [was: Re:
 dm snapshot: ignore discards issued to the snapshot-origin target]

On Wed, May 18 2011 at  8:16am -0400,
Mike Snitzer <snitzer@...hat.com> wrote:

> Hey Martin,
> 
> On Wed, May 04 2011 at 11:10am -0400,
> Martin K. Petersen <martin.petersen@...cle.com> wrote:
> 
> > >>>>> "Lukas" == Lukas Czerner <lczerner@...hat.com> writes:
> > 
> > Lukas> Nevertheless there is something weird going on, because even when
> > Lukas> I create striped volume I get this:
> > 
> > Could you please try the following patch? It has a bunch of small tweaks
> > to the discard stack in it. I'll split it up before posting for real but
> > I'd like to know if it fixes your issue...
> 
> Would be ideal to get these fixes staged for 2.6.40.
> 
> Do you intend to split these patches up and post for 2.6.40 inclussion?

Ah, I now see you posted them and Jens picked some up.. thanks

Mike
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