qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Rik van Riel <riel@redhat.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [RFC][PATCH] make sure disk writes actually hit disk
Date: Fri, 28 Jul 2006 15:58:19 -0400	[thread overview]
Message-ID: <44CA6C5B.7090405@redhat.com> (raw)
In-Reply-To: <44CA6B76.7000004@redhat.com>

Rik van Riel wrote:
> This is the simple approach to making sure that disk writes actually
> hit disk before we tell the guest OS that IO has completed.  Thanks
> to DMA_MULTI_THREAD the performance still seems to be adequate.

Hah, and of course that bit is only found in Xen's qemu-dm. Doh!

I knew I should have also checked some of the files my patch didn't
touch :)

-- 
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan

  reply	other threads:[~2006-07-28 19:58 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-28 19:54 [Qemu-devel] [RFC][PATCH] make sure disk writes actually hit disk Rik van Riel
2006-07-28 19:58 ` Rik van Riel [this message]
2006-07-28 20:12 ` [Qemu-devel] " Anthony Liguori
2006-07-28 20:18   ` Rik van Riel
2006-07-28 20:30     ` Paul Brook
2006-07-28 20:43       ` Rik van Riel
2006-07-28 21:01         ` Paul Brook
2006-07-31  7:08     ` Jens Axboe
2006-07-29  9:57 ` [Qemu-devel] " Fabrice Bellard
2006-07-29 14:59   ` Rik van Riel
2006-07-29 16:04     ` Paul Brook
2006-07-29 16:22       ` Rik van Riel
2006-07-29 16:31         ` Paul Brook
2006-07-31  7:08           ` Jens Axboe
2006-07-29 17:33     ` Bill C. Riemers
2006-07-30 21:47       ` Jamie Lokier
2006-07-30 21:41     ` Jamie Lokier
2006-07-31  9:52       ` andrzej zaborowski
2006-07-31 10:17         ` Jens Axboe
2006-07-31 17:50           ` andrzej zaborowski
2006-07-31  7:08     ` Jens Axboe
2006-07-31  7:56       ` Jonas Maebe
2006-07-31  8:18         ` Jens Axboe

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=44CA6C5B.7090405@redhat.com \
    --to=riel@redhat.com \
    --cc=qemu-devel@nongnu.org \
    /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).