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qemu-options.hx: Document missing -drive options 

They are 'werror', 'rerror' and 'readonly'.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Luiz Capitulino 2011-07-12 17:35:08 -03:00 committed by Kevin Wolf
parent 3e1c0c9a4b
commit ae73e5919a
1 changed files with 8 additions and 0 deletions
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qemu-options.hx
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@ -160,6 +160,14 @@ an untrusted format header.
This option specifies the serial number to assign to the device.
@item addr=@var{addr}
Specify the controller's PCI address (if=virtio only).
@item werror=@var{action},rerror=@var{action}
Specify which @var{action} to take on write and read errors. Valid actions are:
"ignore" (ignore the error and try to continue), "stop" (pause QEMU),
"report" (report the error to the guest), "enospc" (pause QEMU only if the
host disk is full; report the error to the guest otherwise).
The default setting is @option{werror=enospc} and @option{rerror=report}.
@item readonly
Open drive @option{file} as read-only. Guest write attempts will fail.
@end table
By default, writethrough caching is used for all block device. This means that