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From: | Kevin Wolf |
Subject: | Re: [Qemu-devel] [PATCH 16/19] qcow2: Use byte granularity in qcow2_alloc_cluster_offset() |
Date: | Mon, 25 Mar 2013 20:50:25 +0100 |
User-agent: | Mutt/1.5.21 (2010-09-15) |
Am 25.03.2013 um 18:30 hat Kevin Wolf geschrieben: > This gets rid of the nb_clusters and keep_clusters and the associated > complicated calculations. Just advance the number of bytes that have > been processed and everything is fine. > > This patch advances the variables even after the last operation even > though they aren't used any more afterwards to make things look more > uniform. A later patch will turn the whole thing into a loop and then > it actually starts making sense. > > Signed-off-by: Kevin Wolf <address@hidden> For the record: This is the one that causes the performance regression. I'll look into it in more detail tomorrow. Kevin
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