Split the debugfs removal from blk_unregister_queue into a helper so that
the it can be reused for blk_register_queue error handling.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
block/blk-sysfs.c | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index bd223a3bef47d..197646d479b4a 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -800,6 +800,19 @@ struct kobj_type blk_queue_ktype = {
.release = blk_release_queue,
};
+static void blk_debugfs_remove(struct gendisk *disk)
+{
+ struct request_queue *q = disk->queue;
+
+ mutex_lock(&q->debugfs_mutex);
+ blk_trace_shutdown(q);
+ debugfs_remove_recursive(q->debugfs_dir);
+ q->debugfs_dir = NULL;
+ q->sched_debugfs_dir = NULL;
+ q->rqos_debugfs_dir = NULL;
+ mutex_unlock(&q->debugfs_mutex);
+}
+
/**
* blk_register_queue - register a block layer queue with sysfs
* @disk: Disk of which the request queue should be registered with sysfs.
@@ -925,11 +938,5 @@ void blk_unregister_queue(struct gendisk *disk)
kobject_del(&q->kobj);
mutex_unlock(&q->sysfs_dir_lock);
- mutex_lock(&q->debugfs_mutex);
- blk_trace_shutdown(q);
- debugfs_remove_recursive(q->debugfs_dir);
- q->debugfs_dir = NULL;
- q->sched_debugfs_dir = NULL;
- q->rqos_debugfs_dir = NULL;
- mutex_unlock(&q->debugfs_mutex);
+ blk_debugfs_remove(disk);
}
--
2.30.2
