]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
virtio_blk: Drop unused request tracking list
authorAsias He <asias@redhat.com>
Fri, 30 Mar 2012 03:24:10 +0000 (11:24 +0800)
committerRusty Russell <rusty@rustcorp.com.au>
Tue, 22 May 2012 02:46:14 +0000 (12:16 +0930)
commitf65ca1dc6a8c81c6bd72297d4399ec5f4c1f3a01
treee2c1fe6ebc2ec6a9ee6b31f06404b5df2b9f6b3d
parentb79d866c8b7014a51f611a64c40546109beaf24a
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>
drivers/block/virtio_blk.c