* grub-core/fs/nilfs2.c (grub_nilfs2_valid_sb): Check that
	block size is <= 1GiB.

	Just "packed" doesn't always pack the way we expect.

	Increases xfs.mod by 24 bytes (but decreases by 115 compressed when
	compressed).

	* include/grub/disk.h (grub_disk_read_hook_t): New type.
	(struct grub_disk): Add read_hook_data member.
	* include/grub/file.h (struct grub_file): Likewise.
	* include/grub/fshelp.h (grub_fshelp_read_file): Add read_hook_data
	argument.

	Update all callers.

* include/grub/fs.h (grub_fs_dir_hook_t): New type.
(struct grub_fs.dir): Add hook_data argument.

Update all implementations and callers.

	Rename to ...
	(grub_nilfs2_palloc_log_groups_per_desc_block): ... this. Return log
	of groups_per_block. All users updated.

	* grub-core/fs/fshelp.c (grub_fshelp_read_file): New argument
	blocks_start. All users updated.
	* grub-core/fs/hfsplus.c (grub_hfsplus_read_block): Don't add
	wrapping offset.
	(grub_hfsplus_read_file): Pass embedding offset to fshelp_read_file.

	Fix argument to grub_nilfs2_palloc_bitmap_block_offset.

	Fix source dir check.

	over last_mounted as seen in image generated by mkfs.nilfs2.
	(grub_nilfs2_label): Use sizeof for the size of s_volume_name.

	first superblock to find the second one when possible.

	anymore.

	* grub-core/fs/ext2.c (EXT2_PATH_MAX): Removed.
	(EXT2_MAX_SYMLINKCNT): Likewise.
	* grub-core/fs/nilfs2.c (NILFS_BTREE_LEVEL_MAX): Likewise.
	* grub-core/net/tftp.c (TFTP_MAX_PACKET): Likewise.
	* include/grub/i386/pc/pxe.h (GRUB_PXE_MIN_BLKSIZE): Likewise.
	(GRUB_PXE_MAX_BLKSIZE): Likewise.
	* include/grub/normal.h (GRUB_MAX_CMDLINE): Likewise.
	* include/grub/zfs/dnode.h (DN_MAX_INDBLKSHIFT): Likewise.
	(DN_MAX_OBJECT_SHIFT): Likewise.
	(DN_MAX_OFFSET_SHIFT): Likewise.
	(DN_MAX_OBJECT): Likewise.
	(DNODES_PER_LEVEL_SHIFT): Likewise.
	* include/grub/zfs/spa.h (SPA_MAXBLOCKSHIFT): Likewise.
	(SPA_MAXBLOCKSIZE): Likewise.
	(SPA_BLOCKSIZES): Likewise.
	* include/grub/zfs/zap_impl.h (MZAP_MAX_BLKSHIFT): Likewise.
	(MZAP_MAX_BLKSZ): Likewise.

	array.
	(grub_nilfs2_btree_node_dkeys): Ensure return pointer alignment.
	(grub_nilfs2_btree_lookup): Ensure buffer alignment.

	field.

	* grub-core/fs/nilfs2.c (LOG_INODE_SIZE): New definition.
	(LOG_NILFS_DAT_ENTRY_SIZE): Likewise.
	(grub_nilfs2_palloc_entries_per_group): Replace with ...
	(grub_nilfs2_log_palloc_entries_per_group): ... this.
	(grub_nilfs2_palloc_group): Use shifts and bitmasks.
	(grub_nilfs2_entries_per_block): Replaced with ...
	(grub_nilfs2_log_entries_per_block_log): ... this.
	(grub_nilfs2_blocks_per_group): Replaced with ...
	(grub_nilfs2_blocks_per_group_log): ... this.
	(grub_nilfs2_blocks_per_desc_block): Replaced with ...
	(grub_nilfs2_blocks_per_desc_block_log): ... this.
	(grub_nilfs2_palloc_desc_block_offset): Replaced with ...
	(grub_nilfs2_palloc_desc_block_offset_log): ... this.
	(grub_nilfs2_palloc_entry_offset): Replaced ...
	(grub_nilfs2_palloc_entry_offset_log): ... this. Use shifts.
	(grub_nilfs2_dat_translate): Use shifts.
	(grub_nilfs2_read_inode): Likewise.
	(GRUB_MOD_INIT): Ensure that logs are correct.

	* grub-core/fs/affs.c (grub_affs_read_file): Use grub_off_t for offset.
	* grub-core/fs/afs.c (grub_afs_read_file): Likewise.
	* grub-core/fs/fshelp.c (grub_fshelp_find_file): Remove leftover
	variable.
	* grub-core/fs/hfs.c (grub_hfs_read_file): Use grub_off_t for offset
	and connected types.
	* grub-core/fs/nilfs2.c (grub_nilfs2_read_file): Use grub_off_t for
	offset.
	(grub_nilfs2_iterate_dir): Use grub_off_t for fpos.
	* grub-core/fs/sfs.c (grub_sfs_read_file): Use grub_off_t for offset.
	* grub-core/fs/ufs.c (grub_ufs_read_file): Use grub_off_t for offset
	and connected types.

	* grub-core/kern/misc.c (grub_divmod64_full): Renamed to ...
	(grub_divmod64): ... this.
	* include/grub/misc.h (grub_divmod64): Removed. All users switch to full
	version.

	guidelines.

	* grub-core/kern/dl.c (grub_dl_check_license): New function.
	(grub_dl_load_core): Use grub_dl_check_license.
	* include/grub/dl.h (GRUB_MOD_SECTION): New macro.
	(GRUB_MOD_LICENSE): Likewise.
	(GRUB_MOD_DUAL_LICENSE): Likewise.
	All modules updated.

	errors.

	* conf/common.rmk (grub_probe_SOURCES): Add fs/nilfs2.c.
	(grub_fstest_SOURCES): Likewise.
	(pkglib_MODULES): Add nilfs2.mod.
	(nilfs2_mod_SOURCES): New variable.
	(nilfs2_mod_CFLAGS): Likewise.
	(nilfs2_mod_LDFLAGS): Likewise.
	* conf/i386-pc.rmk (grub_setup_SOURCES): Add fs/nilfs2.c.
	* conf/sparc64-ieee1275.rmk (grub_setup_SOURCES): Add fs/nilfs2.c.
	* fs/nilfs2.c: New file.