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(parent: a2d79a2) | patch
block: optimize blk_bio_segment_split for single-page bvec
authorMing Lei <ming.lei@redhat.com>
Wed, 27 Feb 2019 12:40:12 +0000 (20:40 +0800)
committerJens Axboe <axboe@kernel.dk>
Wed, 27 Feb 2019 13:18:55 +0000 (06:18 -0700)
commit15fa136f7a56a691f6ce56155590a437a681b7a3
tree22cd9755657f63bd596496b2e59b866d3833f0d1tree | snapshot
parenta2d79a2119e6579fcdf431ce9225fdc554566777commit | diff
block: optimize blk_bio_segment_split for single-page bvec

Introduce a fast path for single-page bvec IO, then we can avoid
to call bvec_split_segs() unnecessarily.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-merge.c diff | blob | history
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