posixaio engine: residual data count
authorJens Axboe <jens.axboe@oracle.com>
Fri, 2 Mar 2007 18:42:37 +0000 (19:42 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Fri, 2 Mar 2007 18:42:37 +0000 (19:42 +0100)
If the io was cancelled, residual is the full data buffer length.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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