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author | Eric W. Biederman <ebiederm@xmission.com> | 2010-03-30 11:31:25 -0700 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-21 09:37:31 -0700 |
commit | bc451f2058238013e1cdf4acd443c01734d332f0 (patch) | |
tree | 16a1ca2f762edcfbda8f2a4afb6763ba7b090271 /include/linux/kobject.h | |
parent | ba514a57f5c38d9d79ea15e75059e07f49238726 (diff) | |
download | linux-stable-bc451f2058238013e1cdf4acd443c01734d332f0.tar.gz linux-stable-bc451f2058238013e1cdf4acd443c01734d332f0.tar.bz2 linux-stable-bc451f2058238013e1cdf4acd443c01734d332f0.zip |
kobj: Add basic infrastructure for dealing with namespaces.
Move complete knowledge of namespaces into the kobject layer
so we can use that information when reporting kobjects to
userspace.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/kobject.h')
-rw-r--r-- | include/linux/kobject.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 3950d3c2850d..d9456f69904f 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -108,6 +108,8 @@ struct kobj_type { void (*release)(struct kobject *kobj); const struct sysfs_ops *sysfs_ops; struct attribute **default_attrs; + const struct kobj_ns_type_operations *(*child_ns_type)(struct kobject *kobj); + const void *(*namespace)(struct kobject *kobj); }; struct kobj_uevent_env { @@ -134,6 +136,30 @@ struct kobj_attribute { extern const struct sysfs_ops kobj_sysfs_ops; +enum kobj_ns_type { + KOBJ_NS_TYPE_NONE = 0, + KOBJ_NS_TYPES +}; + +struct sock; +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. * |