[PATCH RFC 0/2] Improve virtio-blk performance

[Asias He]

This patchset implements bio-based IO path for virito-blk to improve
performance.

Fio test shows it gives, 28%, 24%, 21%, 16% IOPS boost and 32%, 17%, 21%, 16%
latency improvement for sequential read/write, random read/write respectively.

Asias He (2):
  block: Add blk_bio_map_sg() helper
  virtio-blk: Add bio-based IO path for virtio-blk

 block/blk-merge.c          |   63 ++++++++++++++
 drivers/block/virtio_blk.c |  203 +++++++++++++++++++++++++++++++++++---------
 include/linux/blkdev.h     |    2 +
 3 files changed, 228 insertions(+), 40 deletions(-)

-- 
1.7.10.2

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