blk-mq: use list_splice_tail_init() to insert requests

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list_splice_tail_init() is much more faster than inserting each
request one by one, given all requets in 'list' belong to
same sw queue and ctx->lock is required to insert requests.

Cc: Laurence Oberman <loberman@redhat.com>
Cc: Omar Sandoval <osandov@fb.com>
Cc: Bart Van Assche <bart.vanassche@wdc.com>
Tested-by: Kashyap Desai <kashyap.desai@broadcom.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Ming Lei 2018-07-02 17:35:58 +08:00 • committed by Jens Axboe

parent c018c84fdb

commit 3f0cedc7e9

1 changed files with 7 additions and 7 deletions

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block/blk-mq.c

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