From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
To: htejun@gmail.com
Cc: fujita.tomonori@lab.ntt.co.jp, linux-scsi@vger.kernel.org,
jens.axboe@oracle.com
Subject: Re: [PATCH] block: add dma alignment and padding support to blk_rq_map_kern
Date: Wed, 23 Apr 2008 16:05:33 +0900 [thread overview]
Message-ID: <20080423160451X.tomof@acm.org> (raw)
In-Reply-To: <480ED7F9.8080700@gmail.com>
On Wed, 23 Apr 2008 15:32:25 +0900
Tejun Heo <htejun@gmail.com> wrote:
> FUJITA Tomonori wrote:
> > blk_rq_map_kern ignores dma alignment and padding. Is it problematic
> > to libata?
>
> Till now we've been depending for the issuer to get this right but it's
> definitely worth fixing. Thanks.
Surely, some callers don't give 512-byte aligned buffer, which libata
wants.
prev parent reply other threads:[~2008-04-23 7:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-19 11:28 [PATCH] block: add dma alignment and padding support to blk_rq_map_kern FUJITA Tomonori
2008-04-23 6:32 ` Tejun Heo
2008-04-23 7:05 ` FUJITA Tomonori [this message]
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