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(parent: 716aa2b) | 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)
commite4939340fde21c88f2c3342d3b39b24707ed5e59
tree22cd9755657f63bd596496b2e59b866d3833f0d1tree | snapshot
parent716aa2b8db0ec0072e90dc7bd18e9d4f8f239714commit | 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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