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From: Peng Tao <bergwolf@gmail.com>
Date: Thu, 26 Jul 2012 21:57:13 +0800
Message-ID: <CA+a=Yy6+7G_-Mef+dEZKqftjwgubMxboCLB9YB4DdrDJoznXvQ@mail.gmail.com>
Subject: Re: pnfs LD partial sector write
To: Boaz Harrosh <bharrosh@panasas.com>
Cc: linuxnfs <linux-nfs@vger.kernel.org>, Benny Halevy <bhalevy@tonian.com>
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On Thu, Jul 26, 2012 at 8:16 PM, Boaz Harrosh <bharrosh@panasas.com> wrote:
> 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?
>
What do you put int bio_vec->bv_page? Even if you just use 512 bytes
of a page, it is still allocated page.

-- 
Thanks,
Tao