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Date: Wed, 13 Jun 2012 15:41:45 +0800 From: Asias He <asias@...hat.com> To: kvm@...r.kernel.org, linux-kernel@...r.kernel.org, virtualization@...ts.linux-foundation.org Cc: Asias He <asias@...hat.com> Subject: [PATCH RFC 0/2] Improve virtio-blk performance 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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