From: Stefan Hajnoczi <stefanha@gmail.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: kwolf@redhat.com, jcody@redhat.com, qemu-devel@nongnu.org,
stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH 08/20] mirror: allow customizing the granularity
Date: Mon, 14 Jan 2013 12:28:56 +0100 [thread overview]
Message-ID: <20130114112856.GB11988@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <1355319999-30627-9-git-send-email-pbonzini@redhat.com>
On Wed, Dec 12, 2012 at 02:46:27PM +0100, Paolo Bonzini wrote:
> @@ -962,6 +963,7 @@ Arguments:
> file/device (NewImageMode, optional, default 'absolute-paths')
> - "speed": maximum speed of the streaming job, in bytes per second
> (json-int)
> +- "granularity": granularity of the dirty bitmap (json-int, optional)
"in bytes" would be nice although the text you added below implies this.
> - "sync": what parts of the disk image should be copied to the destination;
> possibilities include "full" for all the disk, "top" for only the sectors
> allocated in the topmost image, or "none" to only replicate new I/O
> @@ -971,6 +973,10 @@ Arguments:
> - "on-target-error": the action to take on an error on the target
> (BlockdevOnError, default 'report')
>
> +The default value of the granularity is, if the image format defines
> +a cluster size, the cluster size or 4096, whichever is larger. If it
> +does not define a cluster size, the default value of the granularity
> +is 65536.
next prev parent reply other threads:[~2013-01-14 11:29 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-12 13:46 [Qemu-devel] [PATCH 00/20] Block device mirroring enhancements, 12-12-12 edition Paolo Bonzini
2012-12-12 13:46 ` [Qemu-devel] [PATCH 01/20] host-utils: add ffsl Paolo Bonzini
2012-12-12 23:41 ` Eric Blake
2012-12-12 13:46 ` [Qemu-devel] [PATCH 02/20] add hierarchical bitmap data type and test cases Paolo Bonzini
2012-12-14 0:04 ` Eric Blake
2013-01-11 18:27 ` Stefan Hajnoczi
2012-12-12 13:46 ` [Qemu-devel] [PATCH 03/20] block: implement dirty bitmap using HBitmap Paolo Bonzini
2012-12-14 0:27 ` Eric Blake
2012-12-12 13:46 ` [Qemu-devel] [PATCH 04/20] block: make round_to_clusters public Paolo Bonzini
2012-12-14 20:13 ` Eric Blake
2012-12-12 13:46 ` [Qemu-devel] [PATCH 05/20] mirror: perform COW if the cluster size is bigger than the granularity Paolo Bonzini
2012-12-14 20:21 ` Eric Blake
2012-12-12 13:46 ` [Qemu-devel] [PATCH 06/20] block: return count of dirty sectors, not chunks Paolo Bonzini
2012-12-14 20:49 ` Eric Blake
2012-12-12 13:46 ` [Qemu-devel] [PATCH 07/20] block: allow customizing the granularity of the dirty bitmap Paolo Bonzini
2012-12-14 21:27 ` Eric Blake
2012-12-15 9:11 ` Paolo Bonzini
2012-12-12 13:46 ` [Qemu-devel] [PATCH 08/20] mirror: allow customizing the granularity Paolo Bonzini
2012-12-14 22:01 ` Eric Blake
2013-01-14 11:28 ` Stefan Hajnoczi [this message]
2012-12-12 13:46 ` [Qemu-devel] [PATCH 09/20] mirror: switch mirror_iteration to AIO Paolo Bonzini
2012-12-14 22:11 ` Eric Blake
2012-12-15 9:09 ` Paolo Bonzini
2012-12-15 13:05 ` Eric Blake
2012-12-12 13:46 ` [Qemu-devel] [PATCH 10/20] mirror: add buf-size argument to drive-mirror Paolo Bonzini
2012-12-14 22:22 ` Eric Blake
2012-12-15 9:09 ` Paolo Bonzini
2013-01-14 11:41 ` Stefan Hajnoczi
2012-12-12 13:46 ` [Qemu-devel] [PATCH 11/20] mirror: support more than one in-flight AIO operation Paolo Bonzini
2012-12-14 22:32 ` Eric Blake
2013-01-14 12:56 ` Stefan Hajnoczi
2013-01-14 13:28 ` Paolo Bonzini
2012-12-12 13:46 ` [Qemu-devel] [PATCH 12/20] mirror: support arbitrarily-sized iterations Paolo Bonzini
2012-12-14 22:39 ` Eric Blake
2012-12-12 13:46 ` [Qemu-devel] [PATCH 13/20] oslib: add a wrapper for mmap/munmap Paolo Bonzini
2012-12-14 22:54 ` Eric Blake
2012-12-15 9:06 ` Paolo Bonzini
2012-12-12 13:46 ` [Qemu-devel] [PATCH 14/20] hbitmap: add hbitmap_alloc_with_data and hbitmap_required_size Paolo Bonzini
2012-12-17 17:14 ` Eric Blake
2012-12-17 17:18 ` Paolo Bonzini
2012-12-12 13:46 ` [Qemu-devel] [PATCH 15/20] hbitmap: add hbitmap_copy Paolo Bonzini
2012-12-17 18:25 ` Eric Blake
2012-12-12 13:46 ` [Qemu-devel] [PATCH 16/20] block: split bdrv_enable_dirty_tracking and bdrv_disable_dirty_tracking Paolo Bonzini
2012-12-20 18:26 ` Eric Blake
2012-12-12 13:46 ` [Qemu-devel] [PATCH 17/20] block: support a persistent dirty bitmap Paolo Bonzini
2012-12-20 23:03 ` Eric Blake
2012-12-12 13:46 ` [Qemu-devel] [PATCH 18/20] mirror: add support for " Paolo Bonzini
2012-12-20 23:49 ` Eric Blake
2012-12-12 13:46 ` [Qemu-devel] [PATCH 19/20] block: choose the default dirty bitmap granularity in bdrv_enable_dirty_tracking Paolo Bonzini
2012-12-20 23:53 ` Eric Blake
2012-12-12 13:46 ` [Qemu-devel] [PATCH 20/20] monitor: add commands to start/stop dirty bitmap Paolo Bonzini
2012-12-21 18:30 ` Eric Blake
2013-01-14 13:02 ` [Qemu-devel] [PATCH 00/20] Block device mirroring enhancements, 12-12-12 edition Stefan Hajnoczi
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=20130114112856.GB11988@stefanha-thinkpad.redhat.com \
--to=stefanha@gmail.com \
--cc=jcody@redhat.com \
--cc=kwolf@redhat.com \
--cc=pbonzini@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=stefanha@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 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).