From: "Daniel P. Berrange" <berrange@redhat.com>
To: Kevin Wolf <kwolf@redhat.com>
Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org, mreitz@redhat.com
Subject: Re: [Qemu-devel] [PATCH 06/10] qemu-img: Prepare for locked images
Date: Tue, 22 Dec 2015 16:57:30 +0000 [thread overview]
Message-ID: <20151222165730.GI10082@redhat.com> (raw)
In-Reply-To: <1450802786-20893-7-git-send-email-kwolf@redhat.com>
On Tue, Dec 22, 2015 at 05:46:22PM +0100, Kevin Wolf wrote:
> This patch extends qemu-img for working with locked images. It prints a
> helpful error message when trying to access a locked image read-write,
> and adds a 'qemu-img force-unlock' command as well as a 'qemu-img check
> -r all --force' option in order to override a lock left behind after a
> qemu crash.
>
> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
> diff --git a/qemu-img-cmds.hx b/qemu-img-cmds.hx
> index 9567774..dd4aebc 100644
> --- a/qemu-img-cmds.hx
> +++ b/qemu-img-cmds.hx
> @@ -10,9 +10,9 @@ STEXI
> ETEXI
>
> DEF("check", img_check,
> - "check [-q] [-f fmt] [--output=ofmt] [-r [leaks | all]] [-T src_cache] filename")
> + "check [-q] [-f fmt] [--force] [--output=ofmt] [-r [leaks | all]] [-T src_cache] filename")
> STEXI
> -@item check [-q] [-f @var{fmt}] [--output=@var{ofmt}] [-r [leaks | all]] [-T @var{src_cache}] @var{filename}
> +@item check [-q] [-f @var{fmt}] [--force] [--output=@var{ofmt}] [-r [leaks | all]] [-T @var{src_cache}] @var{filename}
> ETEXI
FWIW, my patch to add a new --source arg to qemu-img commands
means you wouldn't need to keep inventing new command line arguments
for each new block driver option you want to support usage of in
qemu-img - they'll all be accessible:
https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg04021.html
Regards,
Daniel
--
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next prev parent reply other threads:[~2015-12-22 16:57 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-22 16:46 [Qemu-devel] [PATCH 00/10] qcow2: Implement image locking Kevin Wolf
2015-12-22 16:46 ` [Qemu-devel] [PATCH 01/10] qcow2: Write feature table only for v3 images Kevin Wolf
2015-12-22 20:20 ` Eric Blake
2016-01-11 15:20 ` Kevin Wolf
2015-12-22 16:46 ` [Qemu-devel] [PATCH 02/10] qcow2: Write full header on image creation Kevin Wolf
2015-12-22 20:25 ` Eric Blake
2015-12-22 16:46 ` [Qemu-devel] [PATCH 03/10] block: Assert no write requests under BDRV_O_INCOMING Kevin Wolf
2015-12-22 20:27 ` Eric Blake
2015-12-22 16:46 ` [Qemu-devel] [PATCH 04/10] block: Fix error path in bdrv_invalidate_cache() Kevin Wolf
2015-12-22 20:31 ` Eric Blake
2015-12-22 16:46 ` [Qemu-devel] [PATCH 05/10] block: Inactivate BDS when migration completes Kevin Wolf
2015-12-22 20:43 ` Eric Blake
2016-01-05 20:21 ` [Qemu-devel] [Qemu-block] " John Snow
2016-01-13 14:25 ` Kevin Wolf
2016-01-13 16:35 ` Eric Blake
2015-12-22 16:46 ` [Qemu-devel] [PATCH 06/10] qemu-img: Prepare for locked images Kevin Wolf
2015-12-22 16:57 ` Daniel P. Berrange [this message]
2015-12-22 17:00 ` Kevin Wolf
2015-12-22 21:06 ` Eric Blake
2016-01-11 15:49 ` Markus Armbruster
2016-01-11 16:05 ` Kevin Wolf
2016-01-12 15:20 ` Markus Armbruster
2016-01-12 17:36 ` Kevin Wolf
2016-01-13 8:44 ` Markus Armbruster
2016-01-13 14:19 ` Kevin Wolf
2016-01-14 13:07 ` Markus Armbruster
2016-01-14 14:19 ` Kevin Wolf
2016-01-11 16:22 ` Kevin Wolf
2015-12-22 21:41 ` Eric Blake
2015-12-22 16:46 ` [Qemu-devel] [PATCH 07/10] qcow2: Implement .bdrv_inactivate Kevin Wolf
2015-12-22 21:17 ` Eric Blake
2016-01-11 15:34 ` Kevin Wolf
2015-12-22 16:46 ` [Qemu-devel] [PATCH 08/10] qcow2: Fix BDRV_O_INCOMING handling in qcow2_invalidate_cache() Kevin Wolf
2015-12-22 21:22 ` Eric Blake
2015-12-22 16:46 ` [Qemu-devel] [PATCH 09/10] qcow2: Make image inaccessible after failed qcow2_invalidate_cache() Kevin Wolf
2015-12-22 21:24 ` Eric Blake
2015-12-22 16:46 ` [Qemu-devel] [PATCH 10/10] qcow2: Add image locking Kevin Wolf
2015-12-22 22:04 ` Eric Blake
2015-12-23 3:14 ` [Qemu-devel] [PATCH 00/10] qcow2: Implement " Fam Zheng
2015-12-23 7:35 ` [Qemu-devel] [Qemu-block] " Denis V. Lunev
2015-12-23 7:46 ` [Qemu-devel] [PATCH RFC 0/5] generic image locking and crash recovery Denis V. Lunev
2015-12-23 7:46 ` [Qemu-devel] [PATCH 1/5] block: added lock image option and callback Denis V. Lunev
2015-12-23 23:48 ` Eric Blake
2016-01-11 17:31 ` Kevin Wolf
2016-01-11 17:58 ` Daniel P. Berrange
2016-01-11 18:35 ` Kevin Wolf
2016-01-13 8:52 ` Markus Armbruster
2016-01-13 9:12 ` Denis V. Lunev
2016-01-13 9:50 ` Daniel P. Berrange
2016-01-13 9:51 ` Daniel P. Berrange
2016-01-12 5:38 ` Denis V. Lunev
2016-01-12 10:10 ` Kevin Wolf
2016-01-12 11:33 ` Fam Zheng
2016-01-12 12:24 ` Denis V. Lunev
2016-01-12 12:28 ` Kevin Wolf
2016-01-12 13:17 ` Fam Zheng
2016-01-12 13:24 ` Daniel P. Berrange
2016-01-13 0:08 ` Fam Zheng
2016-01-12 15:59 ` Denis V. Lunev
2016-01-13 0:10 ` Fam Zheng
2016-01-13 16:44 ` Eric Blake
2016-01-14 7:23 ` Denis V. Lunev
2015-12-23 7:46 ` [Qemu-devel] [PATCH 2/5] block: implemented bdrv_lock_image for raw file Denis V. Lunev
2015-12-23 12:40 ` Daniel P. Berrange
2015-12-23 7:46 ` [Qemu-devel] [PATCH 3/5] block: added check image option and callback bdrv_is_opened_unclean Denis V. Lunev
2015-12-23 9:09 ` Fam Zheng
2015-12-23 9:14 ` Denis V. Lunev
2015-12-23 7:46 ` [Qemu-devel] [PATCH 4/5] qcow2: implemented bdrv_is_opened_unclean Denis V. Lunev
2016-01-11 17:37 ` Kevin Wolf
2015-12-23 7:46 ` [Qemu-devel] [PATCH 5/5] block/paralels: added paralles implementation for bdrv_is_opened_unclean Denis V. Lunev
2015-12-23 8:09 ` [Qemu-devel] [PATCH RFC 0/5] generic image locking and crash recovery Fam Zheng
2015-12-23 8:36 ` Denis V. Lunev
2015-12-23 10:47 ` [Qemu-devel] [PATCH 00/10] qcow2: Implement image locking Daniel P. Berrange
2015-12-23 12:15 ` [Qemu-devel] [Qemu-block] " Roman Kagan
2015-12-23 12:29 ` Daniel P. Berrange
2015-12-23 12:41 ` Denis V. Lunev
2015-12-23 12:46 ` Daniel P. Berrange
2015-12-23 12:34 ` Daniel P. Berrange
2015-12-23 12:47 ` Denis V. Lunev
2015-12-23 12:56 ` Daniel P. Berrange
2016-01-11 17:14 ` [Qemu-devel] " Kevin Wolf
2016-01-11 17:54 ` Daniel P. Berrange
2016-01-13 8:56 ` Markus Armbruster
2016-01-13 9:11 ` [Qemu-devel] [Qemu-block] " Denis V. Lunev
2015-12-23 23:19 ` [Qemu-devel] " Max Reitz
2015-12-24 5:41 ` [Qemu-devel] [Qemu-block] " Denis V. Lunev
2015-12-24 5:42 ` Denis V. Lunev
2016-01-04 17:02 ` Max Reitz
2016-01-11 16:47 ` Kevin Wolf
2016-01-11 17:56 ` Daniel P. Berrange
2015-12-23 14:57 ` [Qemu-devel] " Vasiliy Tolstov
2015-12-23 15:08 ` [Qemu-devel] [Qemu-block] " Denis V. Lunev
2015-12-23 15:11 ` Vasiliy Tolstov
2016-01-11 16:25 ` Kevin Wolf
2015-12-23 15:09 ` Denis V. Lunev
2015-12-24 5:43 ` Denis V. Lunev
2016-01-11 16:33 ` Kevin Wolf
2016-01-11 16:38 ` Denis V. Lunev
2016-01-14 14:01 ` Max Reitz
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