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bcache: make kobj_type structures constant 

Since commit ee6d3dd4ed ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.

Take advantage of this to constify the structure definitions to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Coly Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20230615121223.22502-3-colyli@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Thomas Weißschuh 2023-06-15 20:12:19 +08:00 committed by Jens Axboe
parent a301b2deb6
commit b98dd0b0a5
2 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/md/bcache/bcache.h
View File

@ -1004,11 +1004,11 @@ extern struct workqueue_struct *bch_flush_wq;
extern struct mutex bch_register_lock;
extern struct list_head bch_cache_sets;
extern struct kobj_type bch_cached_dev_ktype;
extern struct kobj_type bch_flash_dev_ktype;
extern struct kobj_type bch_cache_set_ktype;
extern struct kobj_type bch_cache_set_internal_ktype;
extern struct kobj_type bch_cache_ktype;
extern const struct kobj_type bch_cached_dev_ktype;
extern const struct kobj_type bch_flash_dev_ktype;
extern const struct kobj_type bch_cache_set_ktype;
extern const struct kobj_type bch_cache_set_internal_ktype;
extern const struct kobj_type bch_cache_ktype;
void bch_cached_dev_release(struct kobject *kobj);
void bch_flash_dev_release(struct kobject *kobj);

2
drivers/md/bcache/sysfs.h
View File

@ -3,7 +3,7 @@
#define _BCACHE_SYSFS_H_
#define KTYPE(type) \
struct kobj_type type ## _ktype = { \
const struct kobj_type type ## _ktype = { \
.release = type ## _release, \
.sysfs_ops = &((const struct sysfs_ops) { \
.show = type ## _show, \