From cb2da43e3d02b745408252fe4c447b23b1f4fc7b Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 9 Apr 2014 10:53:21 -0600 Subject: [PATCH] blk-mq: simplify blk_mq_hw_sysfs_cpus_show() Now that we have a cpu mask of CPUs that are mapped to a specific hardware queue, we can just iterate that to display the sysfs num-hw-queue/cpu_list file. Signed-off-by: Jens Axboe --- block/blk-mq-sysfs.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c index b0ba264b0522..9176a6984857 100644 --- a/block/blk-mq-sysfs.c +++ b/block/blk-mq-sysfs.c @@ -246,16 +246,12 @@ static ssize_t blk_mq_hw_sysfs_tags_show(struct blk_mq_hw_ctx *hctx, char *page) static ssize_t blk_mq_hw_sysfs_cpus_show(struct blk_mq_hw_ctx *hctx, char *page) { - unsigned int i, queue_num, first = 1; + unsigned int i, first = 1; ssize_t ret = 0; blk_mq_disable_hotplug(); - for_each_online_cpu(i) { - queue_num = hctx->queue->mq_map[i]; - if (queue_num != hctx->queue_num) - continue; - + for_each_cpu(i, hctx->cpumask) { if (first) ret += sprintf(ret + page, "%u", i); else