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authorChristoph Hellwig <hch@lst.de>2016-02-26 11:02:14 +0100
committerChristoph Hellwig <hch@lst.de>2016-03-06 16:11:24 +0100
commit1ae1602de028acaa42a0f6ff18d19756f8e825c6 (patch)
tree3370e5c29945370f62b9c72adeec587ed102d048 /include/linux/configfs.h
parentb1f1a29d8fb5eeaeec2cafe4c62f276d950c015b (diff)
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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 <hch@lst.de> Acked-by: Felipe Balbi <balbi@kernel.org> [drivers/usb/gadget] Acked-by: Joel Becker <jlbec@evilplan.org> Acked-by: Nicholas Bellinger <nab@linux-iscsi.org> Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Diffstat (limited to 'include/linux/configfs.h')
-rw-r--r--include/linux/configfs.h11
1 files changed, 10 insertions, 1 deletions
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,