ufs: set correct ->s_maxsize

Cc: [email protected]
Signed-off-by: Al Viro <[email protected]>

fs/ufs/super.c

@@ -746,6 +746,23 @@ static void ufs_put_super(struct super_block *sb)
  return;
 }
 
+static u64 ufs_max_bytes(struct super_block *sb)
+{
+ struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
+ int bits = uspi->s_apbshift;
+ u64 res;
+
+ if (bits > 21)
+ res = ~0ULL;
+ else
+ res = UFS_NDADDR + (1LL << bits) + (1LL << (2*bits)) +
+ (1LL << (3*bits));
+
+ if (res >= (MAX_LFS_FILESIZE >> uspi->s_bshift))
+ return MAX_LFS_FILESIZE;
+ return res << uspi->s_bshift;
+}
+
 static int ufs_fill_super(struct super_block *sb, void *data, int silent)
 {
  struct ufs_sb_info * sbi;
@@ -1212,6 +1229,7 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent)
  "fast symlink size (%u)\n", uspi->s_maxsymlinklen);
  uspi->s_maxsymlinklen = maxsymlen;
  }
+ sb->s_maxbytes = ufs_max_bytes(sb);
  sb->s_max_links = UFS_LINK_MAX;
 
  inode = ufs_iget(sb, UFS_ROOTINO);