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block: add 'force' parameter to 'blockdev-change-medium' command
'blockdev-change-medium' is a convinient wrapper for the following sequence of commands: * blockdev-open-tray * blockdev-remove-medium * blockdev-insert-medium * blockdev-close-tray and should be used f.e. to change ISO image inside the CD-ROM tray. Though the guest could lock the tray and some linux guests like CentOS 8.5 actually does that. In this case the execution if this command results in the error like the following: Device 'scsi0-0-1-0' is locked and force was not specified, wait for tray to open and try again. This situation is could be resolved 'blockdev-open-tray' by passing flag 'force' inside. Thus is seems reasonable to add the same capability for 'blockdev-change-medium' too. Signed-off-by: Denis V. Lunev <den@openvz.org> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@openvz.org> Acked-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com> CC: Kevin Wolf <kwolf@redhat.com> CC: Hanna Reitz <hreitz@redhat.com> CC: Eric Blake <eblake@redhat.com> CC: Markus Armbruster <armbru@redhat.com> Message-Id: <20220412221846.280723-1-den@openvz.org> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Hanna Reitz <hreitz@redhat.com>
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