diff options
Diffstat (limited to 'fs/sysfs/sysfs.h')
| -rw-r--r-- | fs/sysfs/sysfs.h | 32 |
1 files changed, 1 insertions, 31 deletions
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index b541c19e448..bd46fc491c7 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -92,43 +92,13 @@ struct sysfs_dirent { #define SYSFS_FLAG_NS 0x0020 #define SYSFS_FLAG_HAS_SEQ_SHOW 0x0040 #define SYSFS_FLAG_HAS_MMAP 0x0080 +#define SYSFS_FLAG_LOCKDEP 0x0100 static inline unsigned int sysfs_type(struct sysfs_dirent *sd) { return sd->s_flags & SYSFS_TYPE_MASK; } -#ifdef CONFIG_DEBUG_LOCK_ALLOC - -#define sysfs_dirent_init_lockdep(sd) \ -do { \ - struct attribute *attr = sd->priv; \ - struct lock_class_key *key = attr->key; \ - if (!key) \ - key = &attr->skey; \ - \ - lockdep_init_map(&sd->dep_map, "s_active", key, 0); \ -} while (0) - -/* Test for attributes that want to ignore lockdep for read-locking */ -static inline bool sysfs_ignore_lockdep(struct sysfs_dirent *sd) -{ - struct attribute *attr = sd->priv; - - return sysfs_type(sd) == SYSFS_KOBJ_ATTR && attr->ignore_lockdep; -} - -#else - -#define sysfs_dirent_init_lockdep(sd) do {} while (0) - -static inline bool sysfs_ignore_lockdep(struct sysfs_dirent *sd) -{ - return true; -} - -#endif - /* * Context structure to be used while adding/removing nodes. */ |