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authorAsias He <asias@redhat.com>2012-03-30 11:24:10 +0800
committerRusty Russell <rusty@rustcorp.com.au>2012-05-22 12:16:14 +0930
commitf65ca1dc6a8c81c6bd72297d4399ec5f4c1f3a01 (patch)
treee2c1fe6ebc2ec6a9ee6b31f06404b5df2b9f6b3d /Documentation
parentb79d866c8b7014a51f611a64c40546109beaf24a (diff)
downloadlinux-f65ca1dc6a8c81c6bd72297d4399ec5f4c1f3a01.tar.gz
virtio_blk: Drop unused request tracking list
Benchmark shows small performance improvement on fusion io device. Before: seq-read : io=1,024MB, bw=19,982KB/s, iops=39,964, runt= 52475msec seq-write: io=1,024MB, bw=20,321KB/s, iops=40,641, runt= 51601msec rnd-read : io=1,024MB, bw=15,404KB/s, iops=30,808, runt= 68070msec rnd-write: io=1,024MB, bw=14,776KB/s, iops=29,552, runt= 70963msec After: seq-read : io=1,024MB, bw=20,343KB/s, iops=40,685, runt= 51546msec seq-write: io=1,024MB, bw=20,803KB/s, iops=41,606, runt= 50404msec rnd-read : io=1,024MB, bw=16,221KB/s, iops=32,442, runt= 64642msec rnd-write: io=1,024MB, bw=15,199KB/s, iops=30,397, runt= 68991msec Signed-off-by: Asias He <asias@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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