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| H A D | block.c | diff 8a4266144ebffceb8fda2a5feb03d23c535923d4 Fri Jul 16 10:17:01 CDT 2010 Kevin Wolf <kwolf@redhat.com> block: Change bdrv_commit to handle multiple sectors at once
bdrv_commit copies the image to its backing file sector by sector, which
is (surprise!) relatively slow. Let's take a larger buffer and handle more
sectors at once if possible.
With a 1G qcow2 file, this brought the time bdrv_commit takes down from
5:06 min to 1:14 min for me.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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