From: Asias He <asias@redhat.com>
To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org
Cc: Asias He <asias@redhat.com>
Subject: [PATCH RFC 0/2] Improve virtio-blk performance
Date: Wed, 13 Jun 2012 15:41:45 +0800 [thread overview]
Message-ID: <1339573307-11537-1-git-send-email-asias@redhat.com> (raw)
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
next reply other threads:[~2012-06-13 7:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-13 7:41 Asias He [this message]
2012-06-13 7:41 ` [PATCH RFC 1/2] block: Add blk_bio_map_sg() helper Asias He
2012-06-14 2:31 ` Tejun Heo
2012-06-14 2:57 ` Asias He
2012-06-14 7:29 ` Jens Axboe
2012-06-14 8:19 ` Asias He
2012-06-13 7:41 ` [PATCH RFC 2/2] virtio-blk: Add bio-based IO path for virtio-blk Asias He
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