Re: [PATCH 13/45] block: add a bdev_kobj helper
From: Coly Li <hidden>
Date: 2020-11-24 13:46:02
Also in:
dm-devel, linux-bcache, linux-fsdevel, linux-mm, xen-devel
On 11/24/20 9:27 PM, Christoph Hellwig wrote:
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: Johannes Thumshirn <redacted>
For the bcache part, Acked-by: Coly Li [off-list ref] Thanks. Coly Li
quoted hunk ↗ jump to hunk
--- drivers/md/bcache/super.c | 7 ++----- drivers/md/md.c | 4 +--- fs/block_dev.c | 6 +++--- fs/btrfs/sysfs.c | 15 +++------------ include/linux/blk_types.h | 3 +++ 5 files changed, 12 insertions(+), 23 deletions(-)diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 46a00134a36ae1..a6a5e21e4fd136 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;
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