[PATCH] hugetlb: initialize sb->s_maxbytes

hugetblfs appears not to support the creation of files larger than 2GB. 
hugetlbfs_vmtruncate() checks against the s_maxbytes member of the super
block and returns EFBIG if the requested file size is too large.
Signed-off-by: Guy Cardwell <gcardwel@motorola.com>
Signed-off-by: William Irwin <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/hugetlbfs/inode.c

@@ -651,6 +651,7 @@ hugetlbfs_fill_super(struct super_block *sb, void *data, int silent)
 	sbinfo->free_blocks = config.nr_blocks;
 	sbinfo->max_inodes = config.nr_inodes;
 	sbinfo->free_inodes = config.nr_inodes;
+	sb->s_maxbytes = MAX_LFS_FILESIZE;
 	sb->s_blocksize = HPAGE_SIZE;
 	sb->s_blocksize_bits = HPAGE_SHIFT;
 	sb->s_magic = HUGETLBFS_MAGIC;