From mboxrd@z Thu Jan  1 00:00:00 1970
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Subject: Re: [PATCH] block: add dma alignment and padding support to
 blk_rq_map_kern
Date: Wed, 23 Apr 2008 16:05:33 +0900
Message-ID: <20080423160451X.tomof@acm.org>
References: <20080419202757Z.tomof@acm.org>
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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.