diff options
Diffstat (limited to 'Documentation/kobject.txt')
| -rw-r--r-- | Documentation/kobject.txt | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/Documentation/kobject.txt b/Documentation/kobject.txt index 3ab2472509c..f87241dfed8 100644 --- a/Documentation/kobject.txt +++ b/Documentation/kobject.txt @@ -1,6 +1,6 @@ Everything you never wanted to know about kobjects, ksets, and ktypes -Greg Kroah-Hartman <gregkh@suse.de> +Greg Kroah-Hartman <gregkh@linuxfoundation.org> Based on an original article by Jon Corbet for lwn.net written October 1, 2003 and located at http://lwn.net/Articles/51437/ @@ -284,9 +284,11 @@ instead, it is associated with the ktype. So let us introduce struct kobj_type: struct kobj_type { - void (*release)(struct kobject *); + void (*release)(struct kobject *kobj); const struct sysfs_ops *sysfs_ops; - struct attribute **default_attrs; + struct attribute **default_attrs; + const struct kobj_ns_type_operations *(*child_ns_type)(struct kobject *kobj); + const void *(*namespace)(struct kobject *kobj); }; This structure is used to describe a particular type of kobject (or, more @@ -340,7 +342,10 @@ kset use: When you are finished with the kset, call: void kset_unregister(struct kset *kset); -to destroy it. +to destroy it. This removes the kset from sysfs and decrements its reference +count. When the reference count goes to zero, the kset will be released. +Because other references to the kset may still exist, the release may happen +after kset_unregister() returns. An example of using a kset can be seen in the samples/kobject/kset-example.c file in the kernel tree. |