Commit b98dd0b0 authored by Thomas Weißschuh's avatar Thomas Weißschuh Committed by Jens Axboe
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bcache: make kobj_type structures constant 



Since commit ee6d3dd4 ("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: default avatarThomas Weißschuh <linux@weissschuh.net>
Signed-off-by: default avatarColy Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20230615121223.22502-3-colyli@suse.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent a301b2de

drivers/md/bcache/bcache.h

+5 −5
Original line number Diff line number Diff line
@@ -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);

drivers/md/bcache/sysfs.h

+1 −1
Original line number Diff line number Diff line
@@ -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,				\