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blk-mq: introduce blk_mq_hw_queue_first_cpu() to figure out first cpu
authorMing Lei <ming.lei@redhat.com>
Sun, 8 Apr 2018 09:48:10 +0000 (17:48 +0800)
committerJens Axboe <axboe@kernel.dk>
Tue, 10 Apr 2018 14:38:46 +0000 (08:38 -0600)
commitf82ddf1923b90f89665d08cf219287c8f9deb739
tree24becd9e5556a348cf23859eea2dbe5acb020e59tree | snapshot
parent476f8c98a9bccccbb97866974ffc80879adf2bbbcommit | diff
blk-mq: introduce blk_mq_hw_queue_first_cpu() to figure out first cpu

This patch introduces helper of blk_mq_hw_queue_first_cpu() for
figuring out the hctx's first cpu, and code duplication can be
avoided.

Cc: Stefan Haberland <sth@linux.vnet.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-mq.c diff | blob | history
Domain: System / Kernel;