From: Chris Mason <chris.mason@oracle.com>
To: Arne Jansen <sensille@gmx.net>
Cc: Christoph Hellwig <hch@infradead.org>,
Andrea Gelmini <andrea.gelmini@gmail.com>,
linux-btrfs <linux-btrfs@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [GIT PULL] Btrfs pull request
Date: Wed, 9 Nov 2011 07:11:55 -0500 [thread overview]
Message-ID: <20111109121155.GJ4149@shiny> (raw)
In-Reply-To: <4EBA42AF.3000501@gmx.net>
On Wed, Nov 09, 2011 at 10:06:55AM +0100, Arne Jansen wrote:
> On 09.11.2011 08:48, Christoph Hellwig wrote:
> > On Tue, Nov 08, 2011 at 08:07:01PM -0500, Chris Mason wrote:
> >> Looks like bio_add_page() is failing and we're getting the enomem from
> >> there. LVM is only letting us put one page in each bio.
> >
> > Yes, at the moment all bio based DM targets only allow single page I/O.
>
> That's... unexpected. I guess this won't change with 3.3? For 3.3 I have
> to rework that part from scrub to account for Chris' bigblocks. If it can
> wait that long I'd prefer to fix both at once. Chris?
For 3.2, lets just do one page per bio and crank up the bios per device
to correspond.
-chris
next prev parent reply other threads:[~2011-11-09 12:12 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-06 18:38 [GIT PULL] Btrfs pull request Chris Mason
2011-11-06 19:29 ` Andrea Gelmini
2011-11-07 9:37 ` Arne Jansen
2011-11-07 9:49 ` Roman Mamedov
2011-11-07 9:57 ` Arne Jansen
2011-11-07 12:49 ` Andrea Gelmini
2011-11-07 12:42 ` Andrea Gelmini
2011-11-07 12:45 ` Arne Jansen
2011-11-07 12:50 ` Andrea Gelmini
2011-11-08 7:47 ` Arne Jansen
2011-11-09 1:07 ` Chris Mason
2011-11-09 7:48 ` Christoph Hellwig
2011-11-09 9:06 ` Arne Jansen
2011-11-09 10:11 ` Christoph Hellwig
2011-11-09 12:11 ` Chris Mason [this message]
2011-11-09 10:29 ` Jan Schmidt
2011-11-09 10:34 ` Christoph Hellwig
2011-11-09 10:49 ` Jan Schmidt
2011-11-09 12:12 ` Chris Mason
2011-11-07 0:35 ` Chris Mason
2011-11-08 17:55 ` Dan Merillat
2011-11-08 18:27 ` Chris Mason
2011-11-08 20:17 ` Chris Mason
2011-11-09 6:53 ` Dan Merillat
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