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Re: [Qemu-devel] [PATCH] block: get_block_status: use "else" when testin
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH] block: get_block_status: use "else" when testing the opposite condition |
Date: |
Thu, 14 May 2015 08:07:08 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
On 05/14/2015 04:35 AM, Paolo Bonzini wrote:
> A bit of Boolean algebra (and common sense) tells us that the
> second "if" here is looking for blocks that are not allocated.
> This is the opposite of the "if" that sets BDRV_BLOCK_ALLOCATED,
> and thus it can use an "else".
>
> Signed-off-by: Paolo Bonzini <address@hidden>
> ---
> block/io.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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