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| author | Jan Kara <jack@suse.cz> | 2022-04-01 13:27:46 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-04-18 04:34:22 +0300 |
| commit | fc84e1f941b91221092da5b3102ec82da24c5673 (patch) | |
| tree | b800fa4c33774c09d0b12521811aecc8f7e6dca4 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | ea591cd4eb270393810e7be01feb8fde6a34fbbe (diff) | |
| download | linux-fc84e1f941b91221092da5b3102ec82da24c5673.tar.xz | |
bfq: Drop pointless unlock-lock pair
In bfq_insert_request() we unlock bfqd->lock only to call
trace_block_rq_insert() and then lock bfqd->lock again. This is really
pointless since tracing is disabled if we really care about performance
and even if the tracepoint is enabled, it is a quick call.
CC: stable@vger.kernel.org
Tested-by: "yukuai (C)" <yukuai3@huawei.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220401102752.8599-5-jack@suse.cz
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions