Re: [Qemu-devel] [PATCH v2 03/45] block: fix documentation of block_job_cancel_sync

[Kevin Wolf <kwolf@redhat.com>]

Am 27.09.2012 14:08, schrieb Paolo Bonzini:
> Il 27/09/2012 14:03, Kevin Wolf ha scritto:
>>>>  /**
>>>> - * block_job_cancel:
>>>> + * block_job_cancel_sync:
>>>>   * @job: The job to be canceled.
>>>>   *
>>>> - * Asynchronously cancel the job and wait for it to reach a quiescent
>>>> + * Synchronously cancel the job and wait for it to reach a quiescent
>>>>   * state.  Note that the completion callback will still be called
>>>>   * asynchronously, hence it is *not* valid to call #bdrv_delete
>>>>   * immediately after #block_job_cancel_sync.  Users of block jobs
>> I still don't agree with the s/Async/Sync/, in my opinion it contradicts
>> the rest of the comment. If it did cancel the job synchronously, then
>> the job would be immediately completed, and there would be no need to
>> wait for a quiescent state nor would the completion callback occur later.
> 
> Now that I read it again, the comment is obsolete.
> 
> block_job_cancel_sync stalls until block_job_cancel_cb is called, and
> that calls the completion callback.

Okay. Best you rephrase the whole comment then instead of changing just
one word.

Kevin