From: Max Reitz <mreitz@redhat.com>
To: Alberto Garcia <berto@igalia.com>, qemu-devel@nongnu.org
Cc: qemu-block@nongnu.org, Kevin Wolf <kwolf@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v2 08/10] block: Allow changing 'discard' on reopen
Date: Wed, 5 Sep 2018 14:50:22 +0200 [thread overview]
Message-ID: <a0fc140a-e99f-66f8-5b91-663f2ba9b65b@redhat.com> (raw)
In-Reply-To: <b4bf05291f304b35658af1a12c97cdcf8d390fa2.1535983918.git.berto@igalia.com>
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On 2018-09-03 16:34, Alberto Garcia wrote:
> 'discard' is one of the basic BlockdevOptions available for all
> drivers, but it's not handled by bdrv_reopen_prepare() so any attempt
> to change it results in an error:
>
> (qemu) qemu-io virtio0 "reopen -o discard=on"
> Cannot change the option 'discard'
>
> Since there's no reason why we shouldn't allow changing it and the
> implementation is simple let's just do it.
>
> Signed-off-by: Alberto Garcia <berto@igalia.com>
> Cc: Max Reitz <mreitz@redhat.com>
> ---
> block.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
Reviewed-by: Max Reitz <mreitz@redhat.com>
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next prev parent reply other threads:[~2018-09-05 12:50 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-03 14:33 [Qemu-devel] [PATCH v2 00/10] Misc reopen-related patches Alberto Garcia
2018-09-03 14:33 ` [Qemu-devel] [PATCH v2 01/10] qemu-io: Fix writethrough check in reopen Alberto Garcia
2018-09-03 14:34 ` [Qemu-devel] [PATCH v2 02/10] file-posix: x-check-cache-dropped should default to false on reopen Alberto Garcia
2018-09-03 14:34 ` [Qemu-devel] [PATCH v2 03/10] block: Remove child references from bs->{options, explicit_options} Alberto Garcia
2018-09-05 12:37 ` Max Reitz
2018-09-03 14:34 ` [Qemu-devel] [PATCH v2 04/10] block: Don't look for child references in append_open_options() Alberto Garcia
2018-09-03 14:34 ` [Qemu-devel] [PATCH v2 05/10] block: Allow child references on reopen Alberto Garcia
2018-09-05 12:40 ` Max Reitz
2018-09-03 14:34 ` [Qemu-devel] [PATCH v2 06/10] block: Forbid trying to change unsupported options during reopen Alberto Garcia
2018-09-05 12:48 ` Max Reitz
2018-09-03 14:34 ` [Qemu-devel] [PATCH v2 07/10] file-posix: " Alberto Garcia
2018-09-05 12:49 ` Max Reitz
2018-09-03 14:34 ` [Qemu-devel] [PATCH v2 08/10] block: Allow changing 'discard' on reopen Alberto Garcia
2018-09-05 12:50 ` Max Reitz [this message]
2018-09-05 16:53 ` Alberto Garcia
2018-09-03 14:34 ` [Qemu-devel] [PATCH v2 09/10] block: Allow changing 'detect-zeroes' " Alberto Garcia
2018-09-05 12:52 ` Max Reitz
2018-09-03 14:34 ` [Qemu-devel] [PATCH v2 10/10] block: Allow changing 'force-share' " Alberto Garcia
2018-09-05 12:56 ` Max Reitz
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