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Re: [Qemu-block] [PATCH v2 03/17] block: Fix harmless off-by-one in bdrv


From: Fam Zheng
Subject: Re: [Qemu-block] [PATCH v2 03/17] block: Fix harmless off-by-one in bdrv_aligned_preadv()
Date: Thu, 16 Jun 2016 13:10:37 +0800
User-agent: Mutt/1.6.1 (2016-04-27)

On Tue, 06/14 15:30, Eric Blake wrote:
> If the amount of data to read ends exactly on the total size
> of the bs, then we were wasting time creating a local qiov
> to read the data in preparation for what would normally be
> appending zeroes beyond the end, even though this corner case
> has nothing further to do.
> 
> Signed-off-by: Eric Blake <address@hidden>
> Reviewed-by: Kevin Wolf <address@hidden>

Reviewed-by: Fam Zheng <address@hidden>




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