From: Max Reitz <mreitz@redhat.com>
To: Pavel Butsykin <pbutsykin@virtuozzo.com>,
qemu-block@nongnu.org, qemu-devel@nongnu.org
Cc: kwolf@redhat.com, eblake@redhat.com, armbru@redhat.com, den@openvz.org
Subject: Re: [Qemu-devel] [PATCH v3 2/4] qcow2: add qcow2_cache_discard
Date: Sun, 9 Jul 2017 23:34:02 +0200 [thread overview]
Message-ID: <ff06c980-331d-4845-761a-14e43c6cf901@redhat.com> (raw)
In-Reply-To: <20170707143028.692-3-pbutsykin@virtuozzo.com>
[-- Attachment #1: Type: text/plain, Size: 612 bytes --]
On 2017-07-07 16:30, Pavel Butsykin wrote:
> Whenever l2/refcount table clusters are discarded from the file we can
> automatically drop unnecessary content of the cache tables. This reduces
> the chance of eviction useful cache data and eliminates inconsistent data
> in the cache with the data in the file.
>
> Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
> ---
> block/qcow2-cache.c | 26 ++++++++++++++++++++++++++
> block/qcow2-refcount.c | 14 ++++++++++++++
> block/qcow2.h | 3 +++
> 3 files changed, 43 insertions(+)
Reviewed-by: Max Reitz <mreitz@redhat.com>
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 498 bytes --]
next prev parent reply other threads:[~2017-07-09 21:34 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-07 14:30 [Qemu-devel] [PATCH v3 0/4] Add shrink image for qcow2 Pavel Butsykin
2017-07-07 14:30 ` [Qemu-devel] [PATCH v3 1/4] qemu-img: add --shrink flag for resize Pavel Butsykin
2017-07-07 21:12 ` Eric Blake
2017-07-09 21:22 ` Max Reitz
2017-07-07 14:30 ` [Qemu-devel] [PATCH v3 2/4] qcow2: add qcow2_cache_discard Pavel Butsykin
2017-07-09 21:34 ` Max Reitz [this message]
2017-07-07 14:30 ` [Qemu-devel] [PATCH v3 3/4] qcow2: add shrink image support Pavel Butsykin
2017-07-07 21:26 ` Eric Blake
2017-07-09 22:08 ` Max Reitz
2017-07-09 22:08 ` Max Reitz
2017-07-07 14:30 ` [Qemu-devel] [PATCH v3 4/4] qemu-iotests: add shrinking image test Pavel Butsykin
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=ff06c980-331d-4845-761a-14e43c6cf901@redhat.com \
--to=mreitz@redhat.com \
--cc=armbru@redhat.com \
--cc=den@openvz.org \
--cc=eblake@redhat.com \
--cc=kwolf@redhat.com \
--cc=pbutsykin@virtuozzo.com \
--cc=qemu-block@nongnu.org \
--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 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.