| commit | 7d30a621028a22a9e8fbae5c5d8dc455869e4999 | [log] [tgz] |
|---|---|---|
| author | Pavel Begunkov <asml.silence@gmail.com> | Fri Nov 29 00:11:53 2019 +0300 |
| committer | Jens Axboe <axboe@kernel.dk> | Thu Dec 19 06:08:50 2019 -0700 |
| tree | 2ed626e9fce51d89849495a2ab5a8b68496fb4ce | |
| parent | 80a0c2e511a97e11d82e0ec11564e2c3fe624b0d [diff] |
blk-mq: optimise rq sort function Check "!=" in multi-layer comparisons. The same memory usage, fewer instructions, and 2 from 4 jumps are replaced with SETcc. Note, that list_sort() doesn't differ 0 and <0. Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>