diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/sysfs.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 3e852658214..006c359e63c 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -15,6 +15,7 @@ #include <linux/compiler.h> #include <linux/errno.h> #include <linux/list.h> +#include <linux/lockdep.h> #include <asm/atomic.h> struct kobject; @@ -29,8 +30,23 @@ struct attribute { const char *name; struct module *owner; mode_t mode; +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lock_class_key *key; + struct lock_class_key skey; +#endif }; +#ifdef CONFIG_DEBUG_LOCK_ALLOC +#define sysfs_attr_init(attr) \ +do { \ + static struct lock_class_key __key; \ + \ + (attr)->key = &__key; \ +} while(0) +#else +#define sysfs_attr_init(attr) do {} while(0) +#endif + struct attribute_group { const char *name; mode_t (*is_visible)(struct kobject *, @@ -74,6 +90,8 @@ struct bin_attribute { struct vm_area_struct *vma); }; +#define sysfs_bin_attr_init(bin_attr) sysfs_attr_init(&bin_attr->attr) + struct sysfs_ops { ssize_t (*show)(struct kobject *, struct attribute *,char *); ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t); |