mount options: fix spufs

Add a .show_options super operation to spufs.

Use generic_show_options() and save the complete option string in
spufs_fill_super().
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/powerpc/platforms/cell/spufs/inode.c

@@ -755,8 +755,11 @@ spufs_fill_super(struct super_block *sb, void *data, int silent)
 		.statfs = simple_statfs,
 		.delete_inode = spufs_delete_inode,
 		.drop_inode = generic_delete_inode,
+		.show_options = generic_show_options,
 	};
 
+	save_mount_options(sb, data);
+
 	sb->s_maxbytes = MAX_LFS_FILESIZE;
 	sb->s_blocksize = PAGE_CACHE_SIZE;
 	sb->s_blocksize_bits = PAGE_CACHE_SHIFT;