block: setup bi_phys_segments after splitting

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The number of bio->bi_phys_segments is always obtained
during bio splitting, so it is natural to setup it
just after bio splitting, then we can avoid to compute
nr_segment again during merge.

Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

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Ming Lei 2015-10-20 23:13:52 +08:00 • committed by Jens Axboe

parent 0809e3ac62

commit bdced438ac

1 changed files with 22 additions and 7 deletions

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block/blk-merge.c

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