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| author | Denis V. Lunev | 2015-04-28 09:46:55 +0200 |
|---|---|---|
| committer | Stefan Hajnoczi | 2015-05-22 10:37:32 +0200 |
| commit | 6953d920784466dfaea77f7cfd23df2ad8b772a0 (patch) | |
| tree | 987aaf142c6275442e925970298a36cbdd762f38 /include/exec/user | |
| parent | iotests, parallels: check for incorrectly closed image in tests (diff) | |
| download | qemu-6953d920784466dfaea77f7cfd23df2ad8b772a0.tar.gz qemu-6953d920784466dfaea77f7cfd23df2ad8b772a0.tar.xz qemu-6953d920784466dfaea77f7cfd23df2ad8b772a0.zip | |
block/parallels: improve image reading performance
Try to perform IO for the biggest continuous block possible.
The performance for sequential read is increased from 220 Mb/sec to
360 Mb/sec for continous image on my SSD HDD.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Roman Kagan <rkagan@parallels.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Roman Kagan <rkagan@parallels.com>
Message-id: 1430207220-24458-23-git-send-email-den@openvz.org
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include/exec/user')
0 files changed, 0 insertions, 0 deletions