From: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
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: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Reported-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Sagi Grimberg <sagig@xxxxxxxxxxxx>
Tested-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
block/blk-integrity.c | 22 +++++++++++-----------
include/linux/blkdev.h | 2 --
include/linux/genhd.h | 1 +
3 files changed, 12 insertions(+), 13 deletions(-)
diff --git a/block/blk-integrity.c b/block/blk-integrity.c
index 75f29cf70188..182bfd2383ea 100644
--- a/block/blk-integrity.c
+++ b/block/blk-integrity.c
@@ -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);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 19c2e947d4d1..830f9c07d4bb 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -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 *);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 2adbfa6d02bc..9e6e0dfa97ad 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -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;
};
--
dm-devel mailing list
dm-devel@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/dm-devel
