* fs/xfs.c (grub_xfs_sblock): Change unused5 field to log2_sect and
log2_inode.
(grub_fshelp_node): Move inode field to the end.
(grub_xfs_data): Remove inode field.
(grub_xfs_inode_block): Calculate inode size using sblock.
(grub_xfs_inode_offset): Likewise.
(grub_xfs_read_inode): Calculate inode size using sblock.
(grub_xfs_read_block): Replace XFS_INODE_EXTENTS with nrec.
(grub_xfs_iterate_dir): Calculate inode size using sblock.
(grub_xfs_mount): Use grub_zalloc instead of grub_malloc. Realloc data
to match inode size.
(grub_xfs_dir): goto mount_fail when mount fails, as data->diropen is
not accessible when data is null.
(grub_xfs_open): Likewise.
fbc6ab545e