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| author |  Robert Elliott <elliott@hp.com>
| 2014-05-20 16:46:26 -0500 |
|---|---|---|
| committer |  Jens Axboe <axboe@fb.com>
| 2014-05-20 15:49:03 -0600 |
| commit | da41a589f52464e24ddefe76814ee35bfb07950c (patch) | |
| tree | e3270f36a1a5766e2433b70b0eef4e2205096075 /block/blk-mq.h | |
| parent | blk-mq: initialize q->nr_requests after calling blk_queue_make_request() (diff) | |
| download | linux-da41a589f52464e24ddefe76814ee35bfb07950c.tar.gz linux-da41a589f52464e24ddefe76814ee35bfb07950c.tar.bz2 linux-da41a589f52464e24ddefe76814ee35bfb07950c.zip | |
blk-mq: Micro-optimize blk_queue_nomerges() check
In blk_mq_make_request(), do the blk_queue_nomerges() check
outside the call to blk_attempt_plug_merge() to eliminate
function call overhead when nomerges=2 (disabled)
Signed-off-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq.h')
0 files changed, 0 insertions, 0 deletions