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From: Eric Blake <eblake@redhat.com>
To: Alberto Garcia <berto@igalia.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
	qemu-block@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>,
	Max Reitz <mreitz@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 8/8] docs: document how to configure the qcow2 L2/refcount caches
Date: Mon, 11 May 2015 09:12:58 -0600	[thread overview]
Message-ID: <5550C6FA.9060805@redhat.com> (raw)
In-Reply-To: <0440646dd5060b1f4538a44583e73f86aadf0f9f.1431348770.git.berto@igalia.com>

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On 05/11/2015 06:55 AM, Alberto Garcia wrote:
> QEMU has options to configure the size of the L2 and refcount caches
> for the qcow2 format. However, choosing the right sizes for a
> particular disk image is not a straightforward operation since the
> ratio between the cache size and the allocated disk space is not
> obvious and depends on the size of the cluster.
> 
> This document attempts to give an overview of both caches and how to
> configure their sizes.
> 
> Signed-off-by: Alberto Garcia <berto@igalia.com>
> ---
>  docs/qcow2-cache.txt | 117 +++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 117 insertions(+)
>  create mode 100644 docs/qcow2-cache.txt
> 
> diff --git a/docs/qcow2-cache.txt b/docs/qcow2-cache.txt
> new file mode 100644
> index 0000000..2570172
> --- /dev/null
> +++ b/docs/qcow2-cache.txt
> @@ -0,0 +1,117 @@
> +qcow2 L2/refcount cache configuration
> +=====================================

Not a show-stopper, but you might want to consider an explicit copyright
notice and license (as several recent docs/ additions have done),
particularly if you want the documentation to be under a looser license
than the default GPLv2+.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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  parent reply	other threads:[~2015-05-11 15:13 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-11 12:54 [Qemu-devel] [PATCH v3 0/8] qcow2 L2/refcount cache improvements Alberto Garcia
2015-05-11 12:54 ` [Qemu-devel] [PATCH 1/8] qcow2: use one single memory block for the L2/refcount cache tables Alberto Garcia
2015-05-11 12:54 ` [Qemu-devel] [PATCH 2/8] qcow2: simplify qcow2_cache_put() and qcow2_cache_entry_mark_dirty() Alberto Garcia
2015-05-11 12:54 ` [Qemu-devel] [PATCH 3/8] qcow2: use an LRU algorithm to replace entries from the L2 cache Alberto Garcia
2015-05-11 12:54 ` [Qemu-devel] [PATCH 4/8] qcow2: remove qcow2_cache_find_entry_to_replace() Alberto Garcia
2015-05-11 12:54 ` [Qemu-devel] [PATCH 5/8] qcow2: use a hash to look for entries in the L2 cache Alberto Garcia
2015-05-11 12:54 ` [Qemu-devel] [PATCH 6/8] qcow2: make qcow2_cache_put() a void function Alberto Garcia
2015-05-11 13:12   ` Max Reitz
2015-05-11 12:54 ` [Qemu-devel] [PATCH 7/8] qcow2: style fixes in qcow2-cache.c Alberto Garcia
2015-05-11 12:55 ` [Qemu-devel] [PATCH 8/8] docs: document how to configure the qcow2 L2/refcount caches Alberto Garcia
2015-05-11 13:23   ` Max Reitz
2015-05-11 13:30     ` Alberto Garcia
2015-05-11 14:08       ` Max Reitz
2015-05-11 15:12   ` Eric Blake [this message]
2015-05-12  9:57 ` [Qemu-devel] [PATCH v3 0/8] qcow2 L2/refcount cache improvements Kevin Wolf

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