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Date: Thu, 26 Jul 2012 15:16:04 +0300
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To: Peng Tao <bergwolf@gmail.com>
CC: linuxnfs <linux-nfs@vger.kernel.org>, Benny Halevy <bhalevy@tonian.com>
Subject: Re: pnfs LD partial sector write
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On 07/26/2012 11:25 AM, Peng Tao wrote:

> For these two sectors, I need to allocate two pages... Just look at
> struct bio_vec.
> 


NO! I know all about bio_vecs

You need 1024 bytes, and 2 x one entry BIOs which is a few bytes, where
did you get the "two pages" from?