On Mon, Jan 20, 2025 at 06:34:11PM +0530, Nilay Shroff wrote: > The request queue uses ->sysfs_dir_lock for protecting the addition/ > deletion of kobject entries under sysfs while we register/unregister > blk-mq. However kobject addition/deletion is already protected with > kernfs/sysfs internal synchronization primitives. So use of q->sysfs_ > dir_lock seems redundant.