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Re: [Qemu-block] [PATCH 1/5] block: Fragment reads to max transfer lengt
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-block] [PATCH 1/5] block: Fragment reads to max transfer length |
Date: |
Fri, 8 Jul 2016 12:56:00 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 21.06.2016 um 01:39 hat Eric Blake geschrieben:
> Drivers should be able to rely on the block layer honoring the
> max transfer length, rather than needing to return -EINVAL
> (iscsi) or manually fragment things (nbd). This patch adds
> the fragmentation in the block layer, after requests have been
> aligned (fragmenting before alignment would lead to multiple
> unaligned requests, rather than just the head and tail).
>
> Signed-off-by: Eric Blake <address@hidden>
Doesn't build for me:
block/io.c: In function 'bdrv_aligned_preadv':
block/io.c:1071:5: error: 'ret' may be used uninitialized in this function
[-Werror=maybe-uninitialized]
return ret;
Kevin
- Re: [Qemu-block] [PATCH 1/5] block: Fragment reads to max transfer length,
Kevin Wolf <=