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Re: [Qemu-block] [Qemu-devel] [PATCH v2 6/7] qcow2: Pass a QEMUIOVector


From: Manos Pitsidianakis
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH v2 6/7] qcow2: Pass a QEMUIOVector to do_perform_cow_{read, write}()
Date: Wed, 7 Jun 2017 19:20:54 +0300
User-agent: NeoMutt/20170113 (1.7.2)

On Wed, Jun 07, 2017 at 05:08:27PM +0300, Alberto Garcia wrote:
Instead of passing a single buffer pointer to do_perform_cow_write(),
pass a QEMUIOVector. This will allow us to merge the write requests
for the COW regions and the actual data into a single one.

Although do_perform_cow_read() does not strictly need to change its
API, we're doing it here as well for consistency.

Signed-off-by: Alberto Garcia <address@hidden>

Reviewed-by: Manos Pitsidianakis <address@hidden>

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