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From: | Gerd Hoffmann |
Subject: | Re: [Qemu-devel] [PATCH 05/10] xen: add block device backend driver. |
Date: | Tue, 07 Apr 2009 12:22:00 +0200 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1b3pre) Gecko/20090324 Fedora/3.0-2.1.beta2.fc11 Thunderbird/3.0b2 |
Hi,
We already have bdrv_aio_readv/writev which currently linearize the buffer underneath. Hopefully Anthony will have commited the patch to implement the real one while I'm writing this, too :)
Is there any specific reason to keep the nb_sectors argument for bdrv_aio_readv, other than cut&paste from the non-vectored versions? I think it is superfluous now, it can be trivially calculated using iov->size.
cheers, Gerd
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