extern int sysfs_uevent(struct mdinfo *sra, char *event);
extern int sysfs_get_ll(struct mdinfo *sra, struct mdinfo *dev,
char *name, unsigned long long *val);
+extern int sysfs_get_str(struct mdinfo *sra, struct mdinfo *dev,
+ char *name, char *buf, int buf_len);
extern int sysfs_set_safemode(struct mdinfo *sra, unsigned long ms);
extern int sysfs_set_array(struct mdinfo *info, int vers);
extern int sysfs_add_disk(struct mdinfo *sra, struct mdinfo *sd);