From: Omar Sandoval <redacted>
This needs to happen after we tear down blktrace.
Signed-off-by: Omar Sandoval <redacted>
---
block/blk-mq-sysfs.c | 2 +-
block/blk-sysfs.c | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c
index 308b3f4fc310..295e69670c39 100644
--- a/block/blk-mq-sysfs.c
+++ b/block/blk-mq-sysfs.c
@@ -254,7 +254,7 @@ static void __blk_mq_unregister_dev(struct device *dev, struct request_queue *q)
kobject_put(&hctx->kobj);
}
- blk_mq_debugfs_unregister(q);
+ blk_mq_debugfs_unregister_hctxs(q);
kobject_uevent(&q->mq_kobj, KOBJ_REMOVE);
kobject_del(&q->mq_kobj);
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 1dbce057592d..6cb637648936 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -821,6 +821,9 @@ static void blk_release_queue(struct kobject *kobj)
blk_trace_shutdown(q);
+ if (q->mq_ops)
+ blk_mq_debugfs_unregister(q);
+
if (q->bio_split)
bioset_free(q->bio_split);
--
2.11.0