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Date: Tue, 25 Jun 2013 15:49:43 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] block: add drive_backup HMP command
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To: Kevin Wolf <kwolf@redhat.com>
Cc: imain@redhat.com, Fam Zheng <famz@redhat.com>, qemu-devel@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>

Il 25/06/2013 15:26, Kevin Wolf ha scritto:
>> > +    if (!full) {
>> > +        error_setg(&errp, "-f is not yet implemented");
>> > +        hmp_handle_error(mon, &errp);
>> > +        return;
>> > +    }
> Then why make it a valid option and confuse users in the help text by
> describing options that don't really exist?
> 

Because otherwise we're stuck with a meaning of the flag that is
different between drive-mirror and block-backup.

Paolo