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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 07/10] file-posix: Forbid trying to change unsupported options during reopen
Date: Wed, 5 Sep 2018 14:49:22 +0200	[thread overview]
Message-ID: <aa77ca0f-2138-5e57-850c-9e9999b538c5@redhat.com> (raw)
In-Reply-To: <5e84c28e4ed8ac259665c7e0c0baa028668ac0b2.1535983918.git.berto@igalia.com>

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On 2018-09-03 16:34, Alberto Garcia wrote:
> The file-posix code is used for the "file", "host_device" and
> "host_cdrom" drivers, and it allows reopening images. However the only
> option that is actually processed is "x-check-cache-dropped", and
> changes in all other options (e.g. "filename") are silently ignored:
> 
>    (qemu) qemu-io virtio0 "reopen -o file.filename=no-such-file"
> 
> While we could allow changing some of the other options, let's keep
> things as they are for now but return an error if the user tries to
> change any of them.
> 
> Signed-off-by: Alberto Garcia <berto@igalia.com>
> ---
>  block/file-posix.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)

Reviewed-by: Max Reitz <mreitz@redhat.com>


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  reply	other threads:[~2018-09-05 12:49 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 [this message]
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
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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