From: Omar Sandoval <osandov@xxxxxx> This needs to happen after we tear down blktrace. Signed-off-by: Omar Sandoval <osandov@xxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html