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Paul Durrant
707eb41ae2
The manpage for 'xl' documents an option to force a block device to be
released even if the domain to which it is attached does not co-operate.
The documentation also states that, if the force flag is not specified, the
block-detach operation should fail.
Currently the force option is not implemented and a non-forced block-detach
will auto-force after a time-out of 10s. This patch implements the force
option and also stops auto-forcing a non-forced block-detach by calling
libxl_device_disk_safe_remove() rather than libxl_device_disk_remove(),
allowing the operation to fail cleanly as per the documented behaviour.
NOTE: The documentation is also adjusted since the normal positioning of
options is before compulsory parameters. It is also noted that use of
the --force option may lead to a guest crash.
Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Acked-by: Wei Liu <wl@xen.org>
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