From: Eric Blake <eblake@redhat.com>
To: Max Reitz <mreitz@redhat.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v4 02/26] qcow2: Add refcount_bits to format-specific info
Date: Wed, 03 Dec 2014 08:09:24 -0700 [thread overview]
Message-ID: <547F27A4.5040006@redhat.com> (raw)
In-Reply-To: <1417613866-25890-3-git-send-email-mreitz@redhat.com>
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On 12/03/2014 06:37 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>
> ---
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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next prev parent reply other threads:[~2014-12-03 15:09 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-03 13:37 [Qemu-devel] [PATCH v4 00/26] qcow2: Support refcount orders != 4 Max Reitz
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 01/26] qcow2: Add two new fields to BDRVQcowState Max Reitz
2014-12-03 14:51 ` Eric Blake
2014-12-10 15:08 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 02/26] qcow2: Add refcount_bits to format-specific info Max Reitz
2014-12-03 15:09 ` Eric Blake [this message]
2014-12-10 15:14 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 03/26] qcow2: Do not return new value after refcount update Max Reitz
2014-12-03 15:13 ` Eric Blake
2014-12-10 15:15 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 04/26] qcow2: Only return status from qcow2_get_refcount Max Reitz
2014-12-03 15:37 ` Eric Blake
2014-12-10 15:32 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 05/26] qcow2: Use unsigned addend for update_refcount() Max Reitz
2014-12-03 15:55 ` Eric Blake
2014-12-11 10:58 ` Stefan Hajnoczi
2014-12-11 11:03 ` Max Reitz
2014-12-12 11:07 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 06/26] qcow2: Use 64 bits for refcount values Max Reitz
2014-12-03 16:11 ` Eric Blake
2014-12-03 16:18 ` Max Reitz
2014-12-11 11:04 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 07/26] qcow2: Respect error in qcow2_alloc_bytes() Max Reitz
2014-12-03 17:12 ` Eric Blake
2014-12-11 11:10 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 08/26] qcow2: Refcount overflow and qcow2_alloc_bytes() Max Reitz
2014-12-03 17:41 ` Eric Blake
2014-12-11 11:12 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 09/26] qcow2: Helper for refcount array reallocation Max Reitz
2014-12-03 18:00 ` Eric Blake
2014-12-11 11:26 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 10/26] qcow2: Helper function for refcount modification Max Reitz
2014-12-03 18:48 ` Eric Blake
2014-12-11 13:36 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 11/26] qcow2: More helpers " Max Reitz
2014-12-03 19:17 ` Eric Blake
2014-12-11 13:40 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 12/26] qcow2: Open images with refcount order != 4 Max Reitz
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 13/26] qcow2: refcount_order parameter for qcow2_create2 Max Reitz
2014-12-03 19:29 ` Eric Blake
2014-12-11 13:41 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 14/26] qcow2: Use symbolic macros in qcow2_amend_options Max Reitz
2014-12-03 19:48 ` Eric Blake
2014-12-11 14:05 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 15/26] iotests: Prepare for refcount_bits option Max Reitz
2014-12-03 22:05 ` Eric Blake
2014-12-11 14:26 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 16/26] qcow2: Allow creation with refcount order != 4 Max Reitz
2014-12-03 23:02 ` Eric Blake
2014-12-11 14:41 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 17/26] progress: Allow regressing progress Max Reitz
2014-12-03 23:03 ` Eric Blake
2014-12-11 14:41 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 18/26] block: Add opaque value to the amend CB Max Reitz
2014-12-11 14:42 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 19/26] qcow2: Use error_report() in qcow2_amend_options() Max Reitz
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 20/26] qcow2: Use abort() instead of assert(false) Max Reitz
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 21/26] qcow2: Split upgrade/downgrade paths for amend Max Reitz
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 22/26] qcow2: Use intermediate helper CB " Max Reitz
2014-12-11 14:44 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 23/26] qcow2: Add function for refcount order amendment Max Reitz
2014-12-03 23:30 ` Eric Blake
2014-12-11 17:08 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 24/26] qcow2: Invoke refcount order amendment function Max Reitz
2014-12-03 23:35 ` Eric Blake
2014-12-11 14:46 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 25/26] qcow2: Point to amend function in check Max Reitz
2014-12-11 14:46 ` Stefan Hajnoczi
2014-12-03 13:37 ` [Qemu-devel] [PATCH v4 26/26] iotests: Add test for different refcount widths Max Reitz
2014-12-04 0:03 ` Eric Blake
2014-12-04 9:51 ` Max Reitz
2014-12-04 19:10 ` Eric Blake
2014-12-05 9:02 ` Max Reitz
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