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Commit aff34e19 authored by Martin K. Petersen's avatar Martin K. Petersen Committed by Jens Axboe
Browse files

block: Move integrity kobject to struct gendisk 



The integrity kobject purely exists to support the integrity
subdirectory in sysfs and doesn't really have anything to do with the
blk_integrity data structure. Move the kobject to struct gendisk where
it belongs.

Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Reported-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarSagi Grimberg <sagig@mellanox.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent ef658fc2

block/blk-integrity.c

+11 −11
Original line number Diff line number Diff line
@@ -249,8 +249,8 @@ struct integrity_sysfs_entry { 
static ssize_t integrity_attr_show(struct kobject *kobj, struct attribute *attr,

				   char *page)

{

	struct blk_integrity *bi =

		container_of(kobj, struct blk_integrity, kobj);

	struct gendisk *disk = container_of(kobj, struct gendisk, integrity_kobj);

	struct blk_integrity *bi = blk_get_integrity(disk);

	struct integrity_sysfs_entry *entry =

		container_of(attr, struct integrity_sysfs_entry, attr);
@@ -261,8 +261,8 @@ static ssize_t integrity_attr_store(struct kobject *kobj, 
				    struct attribute *attr, const char *page,

				    size_t count)

{

	struct blk_integrity *bi =

		container_of(kobj, struct blk_integrity, kobj);

	struct gendisk *disk = container_of(kobj, struct gendisk, integrity_kobj);

	struct blk_integrity *bi = blk_get_integrity(disk);

	struct integrity_sysfs_entry *entry =

		container_of(attr, struct integrity_sysfs_entry, attr);

	ssize_t ret = 0;
@@ -385,8 +385,8 @@ subsys_initcall(blk_dev_integrity_init); 


static void blk_integrity_release(struct kobject *kobj)

{

	struct blk_integrity *bi =

		container_of(kobj, struct blk_integrity, kobj);

	struct gendisk *disk = container_of(kobj, struct gendisk, integrity_kobj);

	struct blk_integrity *bi = blk_get_integrity(disk);



	kmem_cache_free(integrity_cachep, bi);

}
@@ -429,14 +429,14 @@ int blk_integrity_register(struct gendisk *disk, struct blk_integrity *template) 
		if (!bi)

			return -1;



		if (kobject_init_and_add(&bi->kobj, &integrity_ktype,

		if (kobject_init_and_add(&disk->integrity_kobj, &integrity_ktype,

					 &disk_to_dev(disk)->kobj,

					 "%s", "integrity")) {

			kmem_cache_free(integrity_cachep, bi);

			return -1;

		}



		kobject_uevent(&bi->kobj, KOBJ_ADD);

		kobject_uevent(&disk->integrity_kobj, KOBJ_ADD);



		bi->flags |= BLK_INTEGRITY_VERIFY | BLK_INTEGRITY_GENERATE;

		bi->interval = queue_logical_block_size(disk->queue);
@@ -479,9 +479,9 @@ void blk_integrity_unregister(struct gendisk *disk) 


	bi = disk->integrity;



	kobject_uevent(&bi->kobj, KOBJ_REMOVE);

	kobject_del(&bi->kobj);

	kobject_put(&bi->kobj);

	kobject_uevent(&disk->integrity_kobj, KOBJ_REMOVE);

	kobject_del(&disk->integrity_kobj);

	kobject_put(&disk->integrity_kobj);

	disk->integrity = NULL;

}

EXPORT_SYMBOL(blk_integrity_unregister);

include/linux/blkdev.h

+0 −2
Original line number Diff line number Diff line
@@ -1472,8 +1472,6 @@ struct blk_integrity { 
	unsigned short		tag_size;



	const char		*name;



	struct kobject		kobj;

};



extern bool blk_integrity_is_initialized(struct gendisk *);

include/linux/genhd.h

+1 −0
Original line number Diff line number Diff line
@@ -199,6 +199,7 @@ struct gendisk { 
	struct disk_events *ev;

#ifdef  CONFIG_BLK_DEV_INTEGRITY

	struct blk_integrity *integrity;

	struct kobject integrity_kobj;

#endif

	int node_id;

};