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List:       linux-aio
Subject:    Re: [PATCH][RFC] AIO: always reinitialize iocb->ki_run_list at the end of aio_run_iocb()
From:       Jeff Moyer <jmoyer () redhat ! com>
Date:       2010-06-27 16:10:32
Message-ID: x49sk48318n.fsf () segfault ! boston ! devel ! redhat ! com
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Sergey Temerkhanov <temerkhanov@cifronik.ru> writes:

> The problem with kick_iocb() is exactly as this: If retry() method 
> returns -EIOCBQUEUED to aio_run_iocb() then any subsequent call to 
> kick_iocb() results in failure. Is it expected behavior?

 * If ki_retry returns -EIOCBQUEUED it has made a promise that aio_complete()
 * will be called on the kiocb pointer in the future.  The AIO core will
 * not ask the method again -- ki_retry must ensure forward progress.

Does that answer your question?

Cheers,
Jeff

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