block: simplify blk_recalc_rq_segments

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Return the segement and let the callers assign them, which makes the code
a littler more obvious.  Also pass the request instead of q plus bio
chain, allowing for the use of rq_for_each_bvec.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2019-06-06 12:29:02 +02:00 • committed by Jens Axboe

parent 14ccb66b3f

commit e9cd19c0c1

3 changed files with 9 additions and 18 deletions

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4

block/blk-core.c

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21

block/blk-merge.c

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2

block/blk.h

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