From: Vivek Goyal <vgoyal@redhat.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
Chris Wright <chrisw@sous-sol.org>, Jens Axboe <axboe@kernel.dk>,
Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/5] RFC: ->make_request support for virtio-blk
Date: Wed, 5 Oct 2011 16:31:16 -0400 [thread overview]
Message-ID: <20111005203116.GM30146@redhat.com> (raw)
In-Reply-To: <20111005195403.407628164@bombadil.infradead.org>
On Wed, Oct 05, 2011 at 03:54:03PM -0400, Christoph Hellwig wrote:
> This patchset allows the virtio-blk driver to support much higher IOP
> rates which can be driven out of modern PCI-e flash devices. At this
> point it really is just a RFC due to various issues.
>
So you no longer believe that request queue overhead can be brought
down to mangeable levels for these fast devices. And instead go for
bio based drivers and give up on merging and implement own FLUSH/FUA
machinery.
Not that I am advocating for continuing with request based driver. Just
curious..
Thanks
Vivek
next prev parent reply other threads:[~2011-10-05 20:31 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-05 19:54 [PATCH 0/5] RFC: ->make_request support for virtio-blk Christoph Hellwig
2011-10-05 19:54 ` [PATCH 1/5] block: add bio_map_sg Christoph Hellwig
2011-10-05 22:51 ` Boaz Harrosh
2011-10-06 13:40 ` Christoph Hellwig
2011-10-05 19:54 ` [PATCH 2/5] virtio: support unlocked queue kick Christoph Hellwig
2011-10-06 8:42 ` Stefan Hajnoczi
[not found] ` <87r52qgaf3.fsf@rustcorp.com.au>
2011-10-06 13:19 ` Michael S. Tsirkin
2011-11-01 14:40 ` Michael S. Tsirkin
2011-11-02 3:19 ` Rusty Russell
2011-11-02 7:25 ` Christoph Hellwig
2011-11-03 4:01 ` Rusty Russell
2011-11-03 5:15 ` Rusty Russell
2011-11-03 6:45 ` Minchan Kim
2011-10-05 19:54 ` [PATCH 3/5] virtio-blk: remove the unused list of pending requests Christoph Hellwig
2011-10-05 19:54 ` [PATCH 4/5] virtio-blk: reimplement the serial attribute without using requests Christoph Hellwig
2011-10-05 19:54 ` [PATCH 5/5] virtio-blk: implement ->make_request Christoph Hellwig
2011-10-06 1:52 ` Rusty Russell
2011-10-06 13:42 ` Christoph Hellwig
2011-10-06 13:53 ` Jens Axboe
2011-10-05 20:31 ` Vivek Goyal [this message]
2011-10-05 21:53 ` [PATCH 0/5] RFC: ->make_request support for virtio-blk Christoph Hellwig
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=20111005203116.GM30146@redhat.com \
--to=vgoyal@redhat.com \
--cc=axboe@kernel.dk \
--cc=chrisw@sous-sol.org \
--cc=hch@infradead.org \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=rusty@rustcorp.com.au \
--cc=stefanha@linux.vnet.ibm.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).