All of lore.kernel.org
 help / color / mirror / Atom feed
From: Asias He <asias@redhat.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-aio@kvack.org, Dave Kleikamp <dave.kleikamp@oracle.com>,
	Zach Brown <zab@redhat.com>,
	kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	James Bottomley <James.Bottomley@HansenPartnership.com>,
	Jeff Moyer <jmoyer@redhat.com>, Benjamin LaHaise <bcrl@kvack.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	linux-fsdevel@vger.kernel.org
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__30665.4563210488$1342429414$gmane$org@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

  parent reply	other threads:[~2012-07-16  9:05 UTC|newest]

Thread overview: 51+ 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 ` 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 ` Asias He
2012-07-13  8:55   ` Asias He
2012-07-13  8:55 ` [PATCH RESEND 2/5] eventfd: Export symbol eventfd_file_create() Asias He
2012-07-13  8:55   ` Asias He
2012-07-13  8:55 ` [PATCH RESEND 3/5] vhost: Make vhost a separate module Asias He
2012-07-13  8:55   ` 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   ` Asias He
2012-07-13  8:55 ` [PATCH RESEND 5/5] vhost-blk: Add vhost-blk support Asias He
2012-07-13  8:55   ` Asias He
2012-07-17 19:10   ` Jeff Moyer
2012-07-17 19:10   ` Jeff Moyer
2012-07-18  1:22     ` Asias He
2012-07-18  1:22       ` Asias He
2012-07-18 14:31       ` Jeff Moyer
2012-07-18 14:45         ` Asias He
2012-07-18 14:45           ` Asias He
2012-07-18 14:31       ` Jeff Moyer
2012-07-19 13:05   ` Anthony Liguori
2012-07-19 13:09     ` Michael S. Tsirkin
2012-07-19 13:09       ` Michael S. Tsirkin
2012-07-19 13:09     ` Michael S. Tsirkin
2012-07-19 13:09       ` Michael S. Tsirkin
2012-07-20 10:31       ` Stefan Hajnoczi
2012-07-20 10:31         ` Stefan Hajnoczi
2012-07-20 20:56       ` Anthony Liguori
2012-07-20 20:56       ` Anthony Liguori
2012-07-21  1:07         ` Asias He
2012-07-21  1:07           ` Asias He
2012-07-19 13:05   ` Anthony Liguori
2012-07-14  7:49 ` [PATCH RESEND 0/5] " Christoph Hellwig
2012-07-14  7:49   ` Christoph Hellwig
2012-07-16  9:05   ` Asias He
2012-07-16  9:05     ` Asias He
2012-07-16  9:05   ` Asias He [this message]
2012-07-14  7:49 ` Christoph Hellwig
2012-07-17 15:09 ` Michael S. Tsirkin
2012-07-17 15:09   ` Michael S. Tsirkin
2012-07-18  2:09   ` Asias He
2012-07-18  2:09   ` Asias He
2012-07-18  2:09     ` Asias He
2012-07-18 11:42   ` Stefan Hajnoczi
2012-07-18 11:42   ` Stefan Hajnoczi
2012-07-17 15:09 ` Michael S. Tsirkin
2012-07-20 19:30 ` Michael S. Tsirkin
2012-07-20 19:30   ` Michael S. Tsirkin
2012-07-20 19:30 ` Michael S. Tsirkin
  -- strict thread matches above, loose matches on Subject: below --
2012-07-13  8:55 Asias He

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='5003D93E.2000304__30665.4563210488$1342429414$gmane$org@redhat.com' \
    --to=asias@redhat.com \
    --cc=James.Bottomley@HansenPartnership.com \
    --cc=bcrl@kvack.org \
    --cc=dave.kleikamp@oracle.com \
    --cc=hch@infradead.org \
    --cc=jmoyer@redhat.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-aio@kvack.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mst@redhat.com \
    --cc=viro@zeniv.linux.org.uk \
    --cc=virtualization@lists.linux-foundation.org \
    --cc=zab@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.