Ensure that all the sysfs bits are set up before bdev_add is called,
as that will make the upcomding error handling much easier. However
this means the call to disk_update_readahead has to be split as that
requires a bdi. Also remove various sanity checks that don't make
sense now that blk_register_queue only has a single caller.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210818144542.19305-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
struct device *dev = disk_to_dev(disk);
struct request_queue *q = disk->queue;
- if (WARN_ON(!q))
- return -ENXIO;
-
- WARN_ONCE(blk_queue_registered(q),
- "%s is registering an already registered queue\n",
- kobject_name(&dev->kobj));
-
- disk_update_readahead(disk);
-
ret = blk_trace_init_sysfs(dev);
if (ret)
return ret;
disk->slave_dir = NULL;
}
+ blk_register_queue(disk);
+
if (disk->flags & GENHD_FL_HIDDEN) {
/*
* Don't let hidden disks show up in /proc/partitions,
disk_uevent(disk, KOBJ_ADD);
}
- blk_register_queue(disk);
-
+ disk_update_readahead(disk);
disk_add_events(disk);
}
EXPORT_SYMBOL(device_add_disk);