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| author | Jens Axboe <axboe@fb.com> | 2014-04-09 10:53:21 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-04-09 10:53:21 -0600 |
| commit | cb2da43e3d02b745408252fe4c447b23b1f4fc7b (patch) | |
| tree | 478ee0ca7f83132a68f0cd7b1d7f68e7df14450d /block/blk-mq-sysfs.c | |
| parent | e4043dcf30811f5db15181168e2aac172514302a (diff) | |
| download | lwn-cb2da43e3d02b745408252fe4c447b23b1f4fc7b.tar.gz lwn-cb2da43e3d02b745408252fe4c447b23b1f4fc7b.zip | |
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 <axboe@fb.com>
Diffstat (limited to 'block/blk-mq-sysfs.c')
| -rw-r--r-- | block/blk-mq-sysfs.c | 8 |
1 files 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 |