return ret;
}
+int md_array_valid(int fd)
+{
+ struct mdinfo *sra;
+ int ret;
+
+ sra = sysfs_read(fd, NULL, GET_ARRAY_STATE);
+ if (sra) {
+ if (sra->array_state != ARRAY_UNKNOWN_STATE)
+ ret = 0;
+ else
+ ret = -ENODEV;
+
+ free(sra);
+ } else {
+ /*
+ * GET_ARRAY_INFO doesn't provide access to the proper state
+ * information, so fallback to a basic check for raid_disks != 0
+ */
+ ret = ioctl(fd, RAID_VERSION);
+ }
+
+ return !ret;
+}
+
int md_array_active(int fd)
{
struct mdinfo *sra;