Kiyoshi Ueda e3a04fe34a
blk_end_request: add bidi completion interface (take 4) ...
This patch adds a variant of the interface, blk_end_bidi_request(),
which completes a bidi request.
Bidi request must be completed as a whole, both rq and rq->next_rq
at once. So the interface has 2 arguments for completion size.
As for ->end_io, only rq->end_io is called (rq->next_rq->end_io is not
called). So if special completion handling is needed, the handler
must be set to rq->end_io.
And the handler must take care of freeing next_rq too, since
the interface doesn't care of it if rq->end_io is not NULL.
Cc: Boaz Harrosh <bharrosh@panasas.com >
Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com >
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com >
Signed-off-by: Jens Axboe <jens.axboe@oracle.com >
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e3a04fe34a