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authorRobert Elliott <elliott@hp.com>2014-05-20 16:46:26 -0500
committerJens Axboe <axboe@fb.com>2014-05-20 15:49:03 -0600
commitda41a589f52464e24ddefe76814ee35bfb07950c (patch)
treee3270f36a1a5766e2433b70b0eef4e2205096075 /block/blk-mq.h
parenteba7176826ddab1d04c51bb2d5f2bbf22865444c (diff)
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')
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