diff options
| -rw-r--r-- | fs/ecryptfs/main.c | 85 |
1 files changed, 18 insertions, 67 deletions
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index e5580bcb923..f9f32472c50 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -734,58 +734,14 @@ static int ecryptfs_init_kmem_caches(void) return 0; } -struct ecryptfs_obj { - char *name; - struct list_head slot_list; - struct kobject kobj; -}; - -struct ecryptfs_attribute { - struct attribute attr; - ssize_t(*show) (struct ecryptfs_obj *, char *); - ssize_t(*store) (struct ecryptfs_obj *, const char *, size_t); -}; - -static ssize_t -ecryptfs_attr_store(struct kobject *kobj, - struct attribute *attr, const char *buf, size_t len) -{ - struct ecryptfs_obj *obj = container_of(kobj, struct ecryptfs_obj, - kobj); - struct ecryptfs_attribute *attribute = - container_of(attr, struct ecryptfs_attribute, attr); - - return (attribute->store ? attribute->store(obj, buf, len) : 0); -} - -static ssize_t -ecryptfs_attr_show(struct kobject *kobj, struct attribute *attr, char *buf) -{ - struct ecryptfs_obj *obj = container_of(kobj, struct ecryptfs_obj, - kobj); - struct ecryptfs_attribute *attribute = - container_of(attr, struct ecryptfs_attribute, attr); - - return (attribute->show ? attribute->show(obj, buf) : 0); -} - -static struct sysfs_ops ecryptfs_sysfs_ops = { - .show = ecryptfs_attr_show, - .store = ecryptfs_attr_store -}; +static decl_subsys(ecryptfs, NULL, NULL); -static struct kobj_type ecryptfs_ktype = { - .sysfs_ops = &ecryptfs_sysfs_ops -}; - -static decl_subsys(ecryptfs, &ecryptfs_ktype, NULL); - -static ssize_t version_show(struct ecryptfs_obj *obj, char *buff) +static ssize_t version_show(struct kset *kset, char *buff) { return snprintf(buff, PAGE_SIZE, "%d\n", ECRYPTFS_VERSIONING_MASK); } -static struct ecryptfs_attribute sysfs_attr_version = __ATTR_RO(version); +static struct subsys_attribute version_attr = __ATTR_RO(version); static struct ecryptfs_version_str_map_elem { u32 flag; @@ -799,7 +755,7 @@ static struct ecryptfs_version_str_map_elem { {ECRYPTFS_VERSIONING_MULTKEY, "multiple keys per file"} }; -static ssize_t version_str_show(struct ecryptfs_obj *obj, char *buff) +static ssize_t version_str_show(struct kset *kset, char *buff) { int i; int remaining = PAGE_SIZE; @@ -826,7 +782,17 @@ out: return total_written; } -static struct ecryptfs_attribute sysfs_attr_version_str = __ATTR_RO(version_str); +static struct subsys_attribute version_attr_str = __ATTR_RO(version_str); + +static struct attribute *attributes[] = { + &version_attr.attr, + &version_attr_str.attr, + NULL, +}; + +static struct attribute_group attr_group = { + .attrs = attributes, +}; static int do_sysfs_registration(void) { @@ -838,23 +804,11 @@ static int do_sysfs_registration(void) "Unable to register ecryptfs sysfs subsystem\n"); goto out; } - rc = sysfs_create_file(&ecryptfs_subsys.kobj, - &sysfs_attr_version.attr); + rc = sysfs_create_group(&ecryptfs_subsys.kobj, &attr_group); if (rc) { printk(KERN_ERR - "Unable to create ecryptfs version attribute\n"); + "Unable to create ecryptfs version attributes\n"); subsystem_unregister(&ecryptfs_subsys); - goto out; - } - rc = sysfs_create_file(&ecryptfs_subsys.kobj, - &sysfs_attr_version_str.attr); - if (rc) { - printk(KERN_ERR - "Unable to create ecryptfs version_str attribute\n"); - sysfs_remove_file(&ecryptfs_subsys.kobj, - &sysfs_attr_version.attr); - subsystem_unregister(&ecryptfs_subsys); - goto out; } out: return rc; @@ -862,10 +816,7 @@ out: static void do_sysfs_unregistration(void) { - sysfs_remove_file(&ecryptfs_subsys.kobj, - &sysfs_attr_version.attr); - sysfs_remove_file(&ecryptfs_subsys.kobj, - &sysfs_attr_version_str.attr); + sysfs_remove_group(&ecryptfs_subsys.kobj, &attr_group); subsystem_unregister(&ecryptfs_subsys); } |