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block: return errors from blk_integrity_add 

Prepare for proper error handling in add_disk.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
[hch: split from a larger patch]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20210818144542.19305-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Luis Chamberlain 2021-08-18 16:45:38 +02:00 committed by Jens Axboe
parent 75f4dca596
commit 614310c9c8
2 changed files with 10 additions and 7 deletions
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12
block/blk-integrity.c
View File

@ -431,13 +431,15 @@ void blk_integrity_unregister(struct gendisk *disk)
}
EXPORT_SYMBOL(blk_integrity_unregister);
void blk_integrity_add(struct gendisk *disk)
int blk_integrity_add(struct gendisk *disk)
{
if (kobject_init_and_add(&disk->integrity_kobj, &integrity_ktype,
&disk_to_dev(disk)->kobj, "%s", "integrity"))
return;
int ret;
kobject_uevent(&disk->integrity_kobj, KOBJ_ADD);
ret = kobject_init_and_add(&disk->integrity_kobj, &integrity_ktype,
&disk_to_dev(disk)->kobj, "%s", "integrity");
if (!ret)
kobject_uevent(&disk->integrity_kobj, KOBJ_ADD);
return ret;
}
void blk_integrity_del(struct gendisk *disk)

5
block/blk.h
View File

@ -132,7 +132,7 @@ static inline bool integrity_req_gap_front_merge(struct request *req,
bip_next->bip_vec[0].bv_offset);
}
void blk_integrity_add(struct gendisk *);
int blk_integrity_add(struct gendisk *disk);
void blk_integrity_del(struct gendisk *);
#else /* CONFIG_BLK_DEV_INTEGRITY */
static inline bool blk_integrity_merge_rq(struct request_queue *rq,
@ -166,8 +166,9 @@ static inline bool bio_integrity_endio(struct bio *bio)
static inline void bio_integrity_free(struct bio *bio)
{
}
static inline void blk_integrity_add(struct gendisk *disk)
static inline int blk_integrity_add(struct gendisk *disk)
{
return 0;
}
static inline void blk_integrity_del(struct gendisk *disk)
{