From: Jeffle Xu <[email protected]> Extract the logic of polling a hw queue and related statistics handling out as the helper function.
Reviewed-by: Christoph Hellwig <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Signed-off-by: Jeffle Xu <[email protected]> Signed-off-by: Ming Lei <[email protected]> --- block/blk-poll.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/block/blk-poll.c b/block/blk-poll.c index daa307f84792..0a38c25bcee5 100644 --- a/block/blk-poll.c +++ b/block/blk-poll.c @@ -129,6 +129,19 @@ static bool blk_mq_poll_hybrid(struct request_queue *q, return blk_mq_poll_hybrid_sleep(q, rq); } +static inline int blk_mq_poll_hctx(struct request_queue *q, + struct blk_mq_hw_ctx *hctx) +{ + int ret; + + hctx->poll_invoked++; + ret = q->mq_ops->poll(hctx); + if (ret > 0) + hctx->poll_success++; + + return ret; +} + /** * blk_poll - poll for IO completions * @q: the queue @@ -171,11 +184,8 @@ int blk_poll(struct request_queue *q, blk_qc_t cookie, bool spin) do { int ret; - hctx->poll_invoked++; - - ret = q->mq_ops->poll(hctx); + ret = blk_mq_poll_hctx(q, hctx); if (ret > 0) { - hctx->poll_success++; __set_current_state(TASK_RUNNING); return ret; } -- 2.29.2 -- dm-devel mailing list [email protected] https://listman.redhat.com/mailman/listinfo/dm-devel
