diff options
author | Christoph Hellwig <hch@lst.de> | 2020-11-17 08:18:55 +0100 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2020-12-01 14:53:39 -0700 |
commit | 8d65269fe8065fee889bca5b204d711b0695a8f6 (patch) | |
tree | 6444d7cdab2f4a9e63021188538f27b28396b8d4 /drivers/md/bcache | |
parent | 3f50b95e0edd22824b2650eb65466bf7060f7488 (diff) |
block: add a bdev_kobj helper
Add a little helper to find the kobject for a struct block_device.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Coly Li <colyli@suse.de> [bcache]
Acked-by: David Sterba <dsterba@suse.com> [btrfs]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/bcache')
-rw-r--r-- | drivers/md/bcache/super.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 46a00134a36a..a6a5e21e4fd1 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -1447,8 +1447,7 @@ static int register_bdev(struct cache_sb *sb, struct cache_sb_disk *sb_disk, goto err; err = "error creating kobject"; - if (kobject_add(&dc->disk.kobj, &part_to_dev(bdev->bd_part)->kobj, - "bcache")) + if (kobject_add(&dc->disk.kobj, bdev_kobj(bdev), "bcache")) goto err; if (bch_cache_accounting_add_kobjs(&dc->accounting, &dc->disk.kobj)) goto err; @@ -2342,9 +2341,7 @@ static int register_cache(struct cache_sb *sb, struct cache_sb_disk *sb_disk, goto err; } - if (kobject_add(&ca->kobj, - &part_to_dev(bdev->bd_part)->kobj, - "bcache")) { + if (kobject_add(&ca->kobj, bdev_kobj(bdev), "bcache")) { err = "error calling kobject_add"; ret = -ENOMEM; goto out; |