So that the percpu_ida performance can be monitored.
Signed-off-by: Ming Lei <tom.leim...@gmail.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
--
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