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From: Eric Blake <eblake@redhat.com>
To: Max Reitz <mreitz@redhat.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>, Peter Lieven <pl@kamp.de>,
	Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v2 02/21] qcow2: Add refcount_width to format-specific info
Date: Sat, 15 Nov 2014 09:00:47 -0700	[thread overview]
Message-ID: <546778AF.5040108@redhat.com> (raw)
In-Reply-To: <1415970374-16811-3-git-send-email-mreitz@redhat.com>

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On 11/14/2014 06:05 AM, Max Reitz wrote:
> Add the bit width of every refcount entry to the format-specific
> information.
> 
> In contrast to lazy_refcounts and the corrupt flag, this should be
> always emitted, even for compat=0.10 although it does not support any
> refcount width other than 16 bits. This is because if a boolean is
> optional, one normally assumes it to be false when omitted; but if an
> integer is not specified, it is rather difficult to guess its value.
> 
> This new field breaks some test outputs, fix them.
> 
> Signed-off-by: Max Reitz <mreitz@redhat.com>
> ---
>  block/qcow2.c              |  4 +++-
>  qapi/block-core.json       |  5 ++++-
>  tests/qemu-iotests/060.out |  1 +
>  tests/qemu-iotests/065     | 23 +++++++++++++++--------
>  tests/qemu-iotests/067.out |  5 +++++
>  tests/qemu-iotests/082.out |  7 +++++++
>  tests/qemu-iotests/089.out |  2 ++
>  7 files changed, 37 insertions(+), 10 deletions(-)

Reviewed-by: Eric Blake <eblake@redhat.com>

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


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  reply	other threads:[~2014-11-15 16:33 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-14 13:05 [Qemu-devel] [PATCH v2 00/21] qcow2: Support refcount orders != 4 Max Reitz
2014-11-14 13:05 ` [Qemu-devel] [PATCH v2 01/21] qcow2: Add two new fields to BDRVQcowState Max Reitz
2014-11-14 13:05 ` [Qemu-devel] [PATCH v2 02/21] qcow2: Add refcount_width to format-specific info Max Reitz
2014-11-15 16:00   ` Eric Blake [this message]
2014-11-14 13:05 ` [Qemu-devel] [PATCH v2 03/21] qcow2: Use 64 bits for refcount values Max Reitz
2014-11-14 13:05 ` [Qemu-devel] [PATCH v2 04/21] qcow2: Respect error in qcow2_alloc_bytes() Max Reitz
2014-11-14 13:05 ` [Qemu-devel] [PATCH v2 05/21] qcow2: Refcount overflow and qcow2_alloc_bytes() Max Reitz
2014-11-14 13:05 ` [Qemu-devel] [PATCH v2 06/21] qcow2: Helper for refcount array reallocation Max Reitz
2014-11-15 16:50   ` Eric Blake
2014-11-17  8:37     ` Max Reitz
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 07/21] qcow2: Helper function for refcount modification Max Reitz
2014-11-15 17:02   ` Eric Blake
2014-11-17  8:42     ` Max Reitz
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 08/21] qcow2: More helpers " Max Reitz
2014-11-15 17:08   ` Eric Blake
2014-11-17  8:44     ` Max Reitz
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 09/21] qcow2: Open images with refcount order != 4 Max Reitz
2014-11-15 17:09   ` Eric Blake
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 10/21] qcow2: refcount_order parameter for qcow2_create2 Max Reitz
2014-11-15 17:13   ` Eric Blake
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 11/21] iotests: Prepare for refcount_width option Max Reitz
2014-11-15 17:17   ` Eric Blake
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 12/21] qcow2: Allow creation with refcount order != 4 Max Reitz
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 13/21] block: Add opaque value to the amend CB Max Reitz
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 14/21] qcow2: Use error_report() in qcow2_amend_options() Max Reitz
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 15/21] qcow2: Use abort() instead of assert(false) Max Reitz
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 16/21] qcow2: Split upgrade/downgrade paths for amend Max Reitz
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 17/21] qcow2: Use intermediate helper CB " Max Reitz
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 18/21] qcow2: Add function for refcount order amendment Max Reitz
2014-11-18 17:55   ` Eric Blake
2014-11-18 18:58     ` Max Reitz
2014-11-18 19:56       ` Eric Blake
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 19/21] qcow2: Invoke refcount order amendment function Max Reitz
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 20/21] qcow2: Point to amend function in check Max Reitz
2014-11-14 13:06 ` [Qemu-devel] [PATCH v2 21/21] iotests: Add test for different refcount widths Max Reitz
2014-11-15 14:50   ` Eric Blake
2014-11-17  8:34     ` Max Reitz
2014-11-17 10:38       ` Max Reitz
2014-11-17 11:02         ` Max Reitz
2014-11-17 12:06     ` Max Reitz
2014-11-18 20:26       ` Eric Blake
2014-11-19  5:52         ` Eric Blake
2014-11-20 14:03           ` Max Reitz
2014-11-20 21:21             ` Eric Blake
2014-11-20 13:48         ` Max Reitz
2014-11-20 21:27           ` Eric Blake

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