configfs: make ci_type field, some pointers and function arguments const
The ci_type field of the config_item structure do not modify the fields
of the config_item_type structure it points to. And the other pointers
initialized with ci_type do not modify the fields as well.
So, make the ci_type field and the pointers initialized with ci_type
as const.
Make the struct config_item_type *type function argument of functions
config_{item/group}_init_type_name const as the argument in both the
functions is only stored in the ci_type field of a config_item structure
which is now made const.
Make the argument of configfs_register_default_group const as it is
only passed to the argument of the function config_group_init_type_name
which is now const.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/include/linux/configfs.h b/include/linux/configfs.h
index c967090..90b90f8 100644
--- a/include/linux/configfs.h
+++ b/include/linux/configfs.h
@@ -58,7 +58,7 @@ struct config_item {
struct list_head ci_entry;
struct config_item *ci_parent;
struct config_group *ci_group;
- struct config_item_type *ci_type;
+ const struct config_item_type *ci_type;
struct dentry *ci_dentry;
};
@@ -72,7 +72,7 @@ static inline char *config_item_name(struct config_item * item)
extern void config_item_init_type_name(struct config_item *item,
const char *name,
- struct config_item_type *type);
+ const struct config_item_type *type);
extern struct config_item *config_item_get(struct config_item *);
extern struct config_item *config_item_get_unless_zero(struct config_item *);
@@ -101,7 +101,7 @@ struct config_group {
extern void config_group_init(struct config_group *group);
extern void config_group_init_type_name(struct config_group *group,
const char *name,
- struct config_item_type *type);
+ const struct config_item_type *type);
static inline struct config_group *to_config_group(struct config_item *item)
{
@@ -261,7 +261,7 @@ void configfs_remove_default_groups(struct config_group *group);
struct config_group *
configfs_register_default_group(struct config_group *parent_group,
const char *name,
- struct config_item_type *item_type);
+ const struct config_item_type *item_type);
void configfs_unregister_default_group(struct config_group *group);
/* These functions can sleep and can alloc with GFP_KERNEL */