Get sector size from disk label for NetBSD.

ChangeLog

@@ -1,3 +1,8 @@
+2011-09-17  Grégoire Sutre  <gregoire.sutre@gmail.com>
+
+	* grub-core/kern/emu/hostdisk.c (grub_util_get_fd_sectors) [__NetBSD__]:
+	Get sector size from disk label.
+
 2011-09-05  Colin Watson  <cjwatson@ubuntu.com>
 
 	* util/grub-mkconfig_lib.in (grub_file_is_not_garbage): Return 1 for

grub-core/kern/emu/hostdisk.c

@@ -265,10 +265,13 @@ grub_util_get_fd_sectors (int fd, unsigned *log_secsize)
 
 # if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
     if (ioctl (fd, DIOCGSECTORSIZE, &sector_size))
+      goto fail;
+# elif defined(__NetBSD__)
+    sector_size = label.d_secsize;
 # else
     if (ioctl (fd, BLKSSZGET, &sector_size))
-# endif
       goto fail;
+# endif
 
     if (sector_size & (sector_size - 1) || !sector_size)
       goto fail;