From 1ae1602de028acaa42a0f6ff18d19756f8e825c6 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 26 Feb 2016 11:02:14 +0100 Subject: configfs: switch ->default groups to a linked list Replace the current NULL-terminated array of default groups with a linked list. This gets rid of lots of nasty code to size and/or dynamically allocate the array. While we're at it also provide a conveniant helper to remove the default groups. Signed-off-by: Christoph Hellwig Acked-by: Felipe Balbi [drivers/usb/gadget] Acked-by: Joel Becker Acked-by: Nicholas Bellinger Reviewed-by: Sagi Grimberg --- include/linux/configfs.h | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'include/linux/configfs.h') diff --git a/include/linux/configfs.h b/include/linux/configfs.h index f8165c129ccb..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, -- cgit v1.2.3-59-g8ed1b