From: Asias He <asias@redhat.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-kernel@vger.kernel.org,
Alexander Viro <viro@zeniv.linux.org.uk>,
Benjamin LaHaise <bcrl@kvack.org>,
James Bottomley <James.Bottomley@HansenPartnership.com>,
Jeff Moyer <jmoyer@redhat.com>,
kvm@vger.kernel.org, linux-aio@kvack.org,
linux-fsdevel@vger.kernel.org,
"Michael S. Tsirkin" <mst@redhat.com>,
virtualization@lists.linux-foundation.org,
Dave Kleikamp <dave.kleikamp@oracle.com>,
Zach Brown <zab@redhat.com>
Subject: Re: [PATCH RESEND 0/5] Add vhost-blk support
Date: Mon, 16 Jul 2012 17:05:02 +0800 [thread overview]
Message-ID: <5003D93E.2000304@redhat.com> (raw)
In-Reply-To: <20120714074911.GA31684@infradead.org>
Hi Christoph,
On 07/14/2012 03:49 PM, Christoph Hellwig wrote:
> Please send a version that does direct block I/O similar to xen-blkback
> for now.
Seems xen-blkback converts the guest IO request to host bio and submit
them directly. I was wondering whether this has a performance gain
compared to AIO implementation.
> If we get proper in-kernel aio support one day you can add
> back file backend support.
I talked with Dave and Zack on the in-kernel aio patch which James
pointed out:
http://marc.info/?l=linux-fsdevel&m=133312234313122
Dave will post a new version soon. I will wait for it.
--
Asias
next prev parent reply other threads:[~2012-07-16 9:03 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-13 8:55 [PATCH RESEND 0/5] Add vhost-blk support Asias He
2012-07-13 8:55 ` [PATCH RESEND 1/5] aio: Export symbols and struct kiocb_batch for in kernel aio usage Asias He
2012-07-13 8:55 ` [PATCH RESEND 2/5] eventfd: Export symbol eventfd_file_create() Asias He
2012-07-13 8:55 ` [PATCH RESEND 3/5] vhost: Make vhost a separate module Asias He
2012-07-13 8:55 ` [PATCH RESEND 4/5] vhost-net: Use VHOST_NET_FEATURES for vhost-net Asias He
2012-07-13 8:55 ` [PATCH RESEND 5/5] vhost-blk: Add vhost-blk support Asias He
2012-07-17 19:10 ` Jeff Moyer
2012-07-18 1:22 ` Asias He
2012-07-18 14:31 ` Jeff Moyer
2012-07-18 14:45 ` Asias He
2012-07-19 13:05 ` Anthony Liguori
2012-07-19 13:09 ` Michael S. Tsirkin
2012-07-19 13:09 ` Michael S. Tsirkin
2012-07-20 10:31 ` Stefan Hajnoczi
2012-07-20 20:56 ` Anthony Liguori
2012-07-21 1:07 ` Asias He
2012-07-14 7:49 ` [PATCH RESEND 0/5] " Christoph Hellwig
2012-07-16 9:05 ` Asias He [this message]
2012-07-17 15:09 ` Michael S. Tsirkin
2012-07-18 2:09 ` Asias He
2012-07-18 11:42 ` Stefan Hajnoczi
2012-07-20 19:30 ` Michael S. Tsirkin
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