From: Jens Axboe <axboe@suse.de>
To: Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, dm-devel@redhat.com
Subject: Re: dm: bio split bvec fix
Date: Wed, 22 Mar 2006 12:32:35 +0100 [thread overview]
Message-ID: <20060322113235.GC4285@suse.de> (raw)
In-Reply-To: <20060320192155.GU4724@agk.surrey.redhat.com>
On Mon, Mar 20 2006, Alasdair G Kergon wrote:
> The code that handles bios that span table target boundaries by breaking
> them up into smaller bios will not split an individual struct bio_vec
> into more than two pieces. Sometimes more than that are required.
>
> This patch adds a loop to break the second piece up into as many
> pieces as are necessary.
Why isn't this just handled in the merge callback? Can a single page bio
span > 2 targets?
--
Jens Axboe
next prev parent reply other threads:[~2006-03-22 11:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-20 19:21 dm: bio split bvec fix Alasdair G Kergon
2006-03-20 19:21 ` Alasdair G Kergon
2006-03-20 22:05 ` Andrew Morton
2006-03-20 22:05 ` Andrew Morton
2006-03-22 11:32 ` Jens Axboe [this message]
2006-03-22 12:19 ` Alasdair G Kergon
2006-03-22 12:19 ` [dm-devel] " Alasdair G Kergon
2006-03-22 12:56 ` Jens Axboe
2006-03-22 12:56 ` [dm-devel] " Jens Axboe
2006-03-22 13:08 ` Jens Axboe
2006-03-22 13:08 ` [dm-devel] " Jens Axboe
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