diff options
Diffstat (limited to 'include/linux/configfs.h')
| -rw-r--r-- | include/linux/configfs.h | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/include/linux/configfs.h b/include/linux/configfs.h index f7300d023dbe..485fe5519448 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -96,7 +96,8 @@ struct config_group { struct config_item cg_item; struct list_head cg_children; struct configfs_subsystem *cg_subsys; - struct config_group **default_groups; + struct list_head default_groups; + struct list_head group_entry; }; extern void config_group_init(struct config_group *group); @@ -123,6 +124,12 @@ extern struct config_item *config_group_find_item(struct config_group *, const char *); +static inline void configfs_add_default_group(struct config_group *new_group, + struct config_group *group) +{ + list_add_tail(&new_group->group_entry, &group->default_groups); +} + struct configfs_attribute { const char *ca_name; struct module *ca_owner; @@ -251,6 +258,8 @@ int configfs_register_group(struct config_group *parent_group, struct config_group *group); void configfs_unregister_group(struct config_group *group); +void configfs_remove_default_groups(struct config_group *group); + struct config_group * configfs_register_default_group(struct config_group *parent_group, const char *name, @@ -259,7 +268,24 @@ void configfs_unregister_default_group(struct config_group *group); /* These functions can sleep and can alloc with GFP_KERNEL */ /* WARNING: These cannot be called underneath configfs callbacks!! */ -int configfs_depend_item(struct configfs_subsystem *subsys, struct config_item *target); -void configfs_undepend_item(struct configfs_subsystem *subsys, struct config_item *target); +int configfs_depend_item(struct configfs_subsystem *subsys, + struct config_item *target); +void configfs_undepend_item(struct config_item *target); + +/* + * These functions can sleep and can alloc with GFP_KERNEL + * NOTE: These should be called only underneath configfs callbacks. + * NOTE: First parameter is a caller's subsystem, not target's. + * WARNING: These cannot be called on newly created item + * (in make_group()/make_item() callback) + */ +int configfs_depend_item_unlocked(struct configfs_subsystem *caller_subsys, + struct config_item *target); + + +static inline void configfs_undepend_item_unlocked(struct config_item *target) +{ + configfs_undepend_item(target); +} #endif /* _CONFIGFS_H_ */ |
