From 8488a38f4d2f43bd55a3e0db4cd57a5bef3af6d6 Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 11 Aug 2010 15:01:02 +0100 Subject: kobject: Break the kobject namespace defs into their own header Break the kobject namespace defs into their own header to avoid a header file inclusion ordering problem between linux/sysfs.h and linux/kobject.h. This fixes the build breakage on older versions of gcc. Signed-off-by: David Howells Cc: Eric Biederman Signed-off-by: Greg Kroah-Hartman --- include/linux/kobject.h | 35 +---------------------------------- 1 file changed, 1 insertion(+), 34 deletions(-) (limited to 'include/linux/kobject.h') diff --git a/include/linux/kobject.h b/include/linux/kobject.h index cf343a852534..7950a37a7146 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -22,6 +22,7 @@ #include #include #include +#include #include #include #include @@ -136,42 +137,8 @@ struct kobj_attribute { extern const struct sysfs_ops kobj_sysfs_ops; -/* - * Namespace types which are used to tag kobjects and sysfs entries. - * Network namespace will likely be the first. - */ -enum kobj_ns_type { - KOBJ_NS_TYPE_NONE = 0, - KOBJ_NS_TYPE_NET, - KOBJ_NS_TYPES -}; - struct sock; -/* - * Callbacks so sysfs can determine namespaces - * @current_ns: return calling task's namespace - * @netlink_ns: return namespace to which a sock belongs (right?) - * @initial_ns: return the initial namespace (i.e. init_net_ns) - */ -struct kobj_ns_type_operations { - enum kobj_ns_type type; - const void *(*current_ns)(void); - const void *(*netlink_ns)(struct sock *sk); - const void *(*initial_ns)(void); -}; - -int kobj_ns_type_register(const struct kobj_ns_type_operations *ops); -int kobj_ns_type_registered(enum kobj_ns_type type); -const struct kobj_ns_type_operations *kobj_child_ns_ops(struct kobject *parent); -const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj); - -const void *kobj_ns_current(enum kobj_ns_type type); -const void *kobj_ns_netlink(enum kobj_ns_type type, struct sock *sk); -const void *kobj_ns_initial(enum kobj_ns_type type); -void kobj_ns_exit(enum kobj_ns_type type, const void *ns); - - /** * struct kset - a set of kobjects of a specific type, belonging to a specific subsystem. * -- cgit v1.2.3 From c25d1dfbd403209025df41a737f82ce8f43d93f5 Mon Sep 17 00:00:00 2001 From: Robin Holt Date: Wed, 29 Sep 2010 14:00:54 -0500 Subject: kobject: Introduce kset_find_obj_hinted. One call chain getting to kset_find_obj is: link_mem_sections() find_mem_section() kset_find_obj() This is done during boot. The memory sections were added in a linearly increasing order and link_mem_sections tends to utilize them in that same linear order. Introduce a kset_find_obj_hinted which is passed the result of the previous kset_find_obj which it uses for a quick "is the next object our desired object" check before falling back to the old behavior. Signed-off-by: Robin Holt To: Robert P. J. Day Reviewed-by: KAMEZAWA Hiroyuki Signed-off-by: Greg Kroah-Hartman --- include/linux/kobject.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux/kobject.h') diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 7950a37a7146..8f6d12151048 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -191,6 +191,8 @@ static inline struct kobj_type *get_ktype(struct kobject *kobj) } extern struct kobject *kset_find_obj(struct kset *, const char *); +extern struct kobject *kset_find_obj_hinted(struct kset *, const char *, + struct kobject *); /* The global /sys/kernel/ kobject for people to chain off of */ extern struct kobject *kernel_kobj; -- cgit v1.2.3