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Date: Tue, 29 Apr 2014 22:53:53 +0800 From: Ming Lei <tom.leiming@...il.com> To: Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org, Kent Overstreet <kmo@...erainc.com> Cc: Christoph Hellwig <hch@....de>, Shaohua Li <shli@...nel.org>, Nicholas Bellinger <nab@...ux-iscsi.org>, Nick Swenson <nks@...erainc.com>, Ming Lei <tom.leiming@...il.com> Subject: [PATCH 3/3] blk-mq: add percpu_ida kobjects So that the percpu_ida performance can be monitored. Signed-off-by: Ming Lei <tom.leiming@...il.com> --- block/blk-mq-sysfs.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c index 8145b5b..4171ae2 100644 --- a/block/blk-mq-sysfs.c +++ b/block/blk-mq-sysfs.c @@ -329,6 +329,8 @@ void blk_mq_unregister_disk(struct gendisk *disk) kobject_del(&ctx->kobj); kobject_put(&ctx->kobj); } + percpu_ida_kobject_del(&hctx->tags->free_tags); + percpu_ida_kobject_del(&hctx->tags->reserved_tags); kobject_del(&hctx->kobj); kobject_put(&hctx->kobj); } @@ -362,6 +364,11 @@ int blk_mq_register_disk(struct gendisk *disk) if (ret) break; + percpu_ida_kobject_add(&hctx->tags->free_tags, + &hctx->kobj, "free_tags"); + percpu_ida_kobject_add(&hctx->tags->reserved_tags, + &hctx->kobj, "reserved_tags"); + if (!hctx->nr_ctx) continue; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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