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| author |   Ming Lei <ming.lei@redhat.com> | 2017-12-18 20:22:14 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-01-06 09:18:00 -0700 |
| commit | 6a501bf0807b5dc024fe52a4f956800a352c39ab (patch) | |
| tree | cc869dfac6aaf6205896fd1e2adf9631f4d75b70 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | dm-crypt: don't clear bvec->bv_page in crypt_free_buffer_pages() (diff) | |
| download | wireguard-linux-6a501bf0807b5dc024fe52a4f956800a352c39ab.tar.xz wireguard-linux-6a501bf0807b5dc024fe52a4f956800a352c39ab.zip | |
blk-merge: compute bio->bi_seg_front_size efficiently
It is enough to check and compute bio->bi_seg_front_size just
after the 1st segment is found, but current code checks that
for each bvec, which is inefficient.
This patch follows the way in __blk_recalc_rq_segments()
for computing bio->bi_seg_front_size, and it is more efficient
and code becomes more readable too.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions