}
}
+/**
+ * sysfs_get_container_devnm() - extract container device name.
+ * @mdi: md_info describes member array, with GET_VERSION option.
+ * @buf: buf to fill, must be MD_NAME_MAX.
+ *
+ * External array version is in format {/,-}<container_devnm>/<array_index>
+ * Extract container_devnm from it and safe it in @buf.
+ */
+void sysfs_get_container_devnm(struct mdinfo *mdi, char *buf)
+{
+ char *p;
+
+ assert(is_subarray(mdi->text_version));
+
+ /* Skip first special sign */
+ snprintf(buf, MD_NAME_MAX, "%s", mdi->text_version + 1);
+
+ /* Remove array index */
+ p = strchr(buf, '/');
+ if (p)
+ *p = 0;
+}
+
int sysfs_open(char *devnm, char *devname, char *attr)
{
char fname[MAX_SYSFS_PATH_LEN];