* kernel/disk.c (grub_disk_read): Use void pointer for the
buffer.
(grub_disk_write): Use const void pointer for the buffer.
Adjust all callers. Remove unnecessary casts.
Support for mtime and further expandability of dir command
* include/grub/lib/datetime.h: moved to ...
* include/grub/datetime.h: ... moved here and added
declaration of grub_unixtime2datetime. All users updated
* include/grub/fs.h: new syntax for dir and mtime functionin
struct grub_fs
* include/grub/fshelp.h: new declarations of GRUB_FSHELP_TYPE_MASK
and GRUB_FSHELP_FLAGS_MASK
* commands/ls.c (grub_ls_list_files): Write mtime in long format
* fs/ext2.c (grub_ext2_dir): use new dir syntax and supply mtime
(grub_ext2_mtime): new function
* fs/hfsplus.c (grub_hfsplus_dir): use new dir syntax and supply mtime
(grub_hfsplus_mtime): new function
* fs/ufs.c (GRUB_UFS_ATTR_TYPE): new definition
(GRUB_UFS_ATTR_FILE): likewise
(GRUB_UFS_ATTR_LNK): likewise
(struct grub_ufs_sblock): new fields mtime
(grub_ufs_read_inode): new parameter to read inode to a separate buffer
all users updated
(grub_ufs_dir): mtime support
(grub_ufs_mtime): new function
* fs/affs.c (grub_affs_dir): use new dir syntax
* fs/afs.c (grub_afs_dir): likewise
* fs/cpio.c (grub_cpio_dir): likewise
* fs/fat.c (grub_fat_find_dir): likewise
* fs/hfs.c (grub_hfs_dir): likewise
* fs/iso9660.c (grub_iso9660_dir): likewise
* fs/jfs.c (grub_jfs_dir): likewise
* fs/minix.c (grub_minix_dir): likewise
* fs/ntfs.c (grub_ntfs_dir): likewise
* fs/reiserfs.c (grub_reiserfs_dir): likewise
* fs/sfs.c (grub_sfs_dir): likewise
* fs/xfs.c (grub_xfs_dir): likewise
* util/hostfs.c (grub_hostfs_dir): likewise
* lib/datetime.c: moved to ...
* normal/datetime.c: ... moved here
(grub_unixtime2datetime): new function
* kern/rescue.c (grub_rescue_print_files): use new dir syntax
* normal/completition.c (iterate_dir): use new dir syntax
* normal/misc.c (grub_normal_print_device_info): tell the
last modification time of a volume
* kern/fs.c (grub_fs_probe): updated dummy function to use new syntax
* conf/common.rmk: added lib/datetime.c to ls.mod
* conf/i386-coreboot.rmk (grub_emu_SOURCES): add normal/datetime.c
(normal_mod_SOURCES): likewise
(datetime_mod_SOURCES): Removed lib/datetime.c
* conf/i386-efi.rmk: likewise
* conf/i386-ieee1275.rmk: likewise
* conf/i386-pc.rmk: likewise
* conf/powerpc-ieee1275.rmk: likewise
* conf/sparc64-ieee1275.rmk: likewise
* conf/x86_64-efi.rmk: likewise
* fs/fshelp.c (grub_fshelp_map_block): New function.
(grub_fshelp_find_file): Use 64-bit type for pos and block address.
Use `>>' and `&' operator to avoid 64-bit divide and modulo.
* include/grub/fshelp.h (grub_fshelp_journal_type): New enum.
(GRUB_FSHELP_JOURNAL_UNUSED_MAPPING): New macro.
(grub_fshelp_journal): New structure.
(grub_fshelp_map_block): New function prototype.
(grub_fshelp_read_file): Use grub_disk_addr_t as block type.
(grub_fshelp_map_block): Likewise.
* fs/ext2.c (EXT3_FEATURE_COMPAT_HAS_JOURNAL): New macro.
(EXT3_JOURNAL_MAGIC_NUMBER): Likewise.
(EXT3_JOURNAL_DESCRIPTOR_BLOCK): Likewise.
(EXT3_JOURNAL_COMMIT_BLOCK): Likewise.
(EXT3_JOURNAL_SUPERBLOCK_V1): Likewise.
(EXT3_JOURNAL_SUPERBLOCK_V2): Likewise.
(EXT3_JOURNAL_REVOKE_BLOCK): Likewise.
(EXT3_JOURNAL_FLAG_ESCAPE): Likewise.
(EXT3_JOURNAL_FLAG_SAME_UUID): Likewise.
(EXT3_JOURNAL_FLAG_DELETED): Likewise.
(EXT3_JOURNAL_FLAG_LAST_TAG): Likewise.
(grub_ext2_sblock): New members for journal support.
(grub_ext3_journal_header): New structure.
(grub_ext3_journal_revoke_header): Likewise.
(grub_ext3_journal_block_tag): Likewise.
(grub_ext3_journal_sblock): Likewise.
(grub_fshelp_node): New members logfile and journal.
(grub_ext2_read_block): Change block type to grub_disk_addr_t. Use
grub_fshelp_map_block to get real block number.
(grub_ext2_blockgroup): Use grub_fshelp_map_block to get real block
number.
(grub_ext2_read_inode): Likewise.
(grub_ext3_get_journal): New function.
(grub_read_inode): Initialize journal using grub_ext3_get_journal.
(grub_ext2_close): Release memory used by journal.
* fs/reiserfs.c (REISERFS_MAGIC_STRING): Changed to "ReIsEr".
(REISERFS_MAGIC_DESC_BLOCK): New macro.
(grub_reiserfs_transaction_header): Renamed to
grub_reiserfs_description_block, replace field data with real_blocks.
(grub_reiserfs_commit_block): New structure.
(grub_reiserfs_data): New member journal.
(grub_reiserfs_get_item): Use grub_fshelp_map_block to get real block
number.
(grub_reiserfs_read_symlink): Likewise.
(grub_reiserfs_iterate_dir): Likewise.
(grub_reiserfs_open): Likewise.
(grub_reiserfs_read): Likewise.
(grub_reiserfs_get_journal): New function.
(grub_reiserfs_mount): Use "ReIsEr" as super block magic, as there are
three varieties ReIsErFs, ReIsEr2Fs and ReIsEr3Fs. Initialize journal
using grub_reiserfs_get_journal.
(grub_reiserfs_close): Release memory used by journal.
* fs/affs.c (grub_affs_read_block): Change block type to
grub_disk_addr_t. Use grub_divmod64 to do 64-bit division.
* fs/afs.c (grub_afs_read_block): Change block type to grub_disk_addr_t.
* fs/hfsplus.c (grub_hfsplus_read_block): Likewise.
* fs/ntfs.c (grub_ntfs_read_block): Likewise.
* fs/udf.c (grub_udf_read_block): Change block type to
grub_disk_addr_t. Use type cast to avoid warning.
* fs/xfs.c (grub_xfs_read_block): Likewise.
