diff options
Diffstat (limited to 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index d50b1d62a3d9..d98654869615 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -43,6 +43,7 @@ #include "blk-ioprio.h" static DEFINE_PER_CPU(struct llist_head, blk_cpu_done); +static DEFINE_PER_CPU(call_single_data_t, blk_cpu_csd); static void blk_mq_insert_request(struct request *rq, blk_insert_t flags); static void blk_mq_request_bypass_insert(struct request *rq, @@ -1157,15 +1158,11 @@ static inline bool blk_mq_complete_need_ipi(struct request *rq) static void blk_mq_complete_send_ipi(struct request *rq) { - struct llist_head *list; unsigned int cpu; cpu = rq->mq_ctx->cpu; - list = &per_cpu(blk_cpu_done, cpu); - if (llist_add(&rq->ipi_list, list)) { - INIT_CSD(&rq->csd, __blk_mq_complete_request_remote, rq); - smp_call_function_single_async(cpu, &rq->csd); - } + if (llist_add(&rq->ipi_list, &per_cpu(blk_cpu_done, cpu))) + smp_call_function_single_async(cpu, &per_cpu(blk_cpu_csd, cpu)); } static void blk_mq_raise_softirq(struct request *rq) @@ -4829,6 +4826,9 @@ static int __init blk_mq_init(void) for_each_possible_cpu(i) init_llist_head(&per_cpu(blk_cpu_done, i)); + for_each_possible_cpu(i) + INIT_CSD(&per_cpu(blk_cpu_csd, i), + __blk_mq_complete_request_remote, NULL); open_softirq(BLOCK_SOFTIRQ, blk_done_softirq); cpuhp_setup_state_nocalls(CPUHP_BLOCK_SOFTIRQ_DEAD, |