2009-06-08  Vladimir Serbinenko  <phcoder@gmail.com>

	Nested partitions

	* commands/blocklist.c (grub_cmd_blocklist): Don't check whether
	'partition' is NULL, grub_partition_get_start already does that.
	* commands/loadenv.c (check_blocklists): Likewise.
	(write_blocklists): Likewise.
	* conf/common.rmk (grub_probe_SOURCES): Add partmap/bsdlabel.c.
	(grub_fstest_SOURCES): Likewise.
	(pkglib_MODULES): Add bsdlabel.mod.
	(bsdlabel_mod_SOURCES): New variable.
	(bsdlabel_mod_CFLAGS): Likewise.
	(bsdlabel_mod_LDFLAGS): Likewise.
	* conf/i386-coreboot.rmk (grub_emu_SOURCES): Add partmap/bsdlabel.c.
	* conf/i386-pc.rmk (grub_setup_SOURCES): Likewise.
	(grub_emu_SOURCES): Likewise.
	* conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Likewise.
	* conf/sparc64-ieee1275.rmk (grub_emu_SOURCES): Likewise.
	* include/grub/bsdlabel.h: New file.
	* include/grub/partition.h (grub_partition_map): Remove 'probe' and
	'get_name'.
	(grub_partition): Add 'parent' and 'number'.
	(grub_partition_get_start): Handle nested partitions.
	* include/grub/pc_partition.h: Remove bsd-related entries.
	(grub_pc_partition): Remove.
	* kern/disk.c (grub_disk_close): Free partition data.
	(grub_disk_adjust_range): Handle nested partitions.
	* kern/partition.c (grub_partition_map_probe): New function.
	(grub_partition_probe): Parse name to number, handle subpartitions.
	(get_partmap): New function.
	(grub_partition_iterate): Handle subpartitions.
	(grub_partition_get_name): Likewise.
	* loader/i386/pc/bsd.c (grub_bsd_get_device): Likewise.
	* loader/i386/multiboot.c (grub_multiboot_get_bootdev): Likewise.
	* loader/i386/pc/chainloader.c (grub_chainloader_cmd): Likewise.
	* partmap/acorn.c (acorn_partition_map_iterate): Don't force raw access.
	Set 'number'.
	(acorn_partition_map_probe): Remove.
	(acorn_partition_map_get_name): Likewise.
	* partmap/amiga.c (amiga_partition_map_iterate): Don't force raw access.
	Set 'number'.
	Set 'index' to 0 since there can be only one partition entry per sector.
	(amiga_partition_map_probe): Remove.
	(amiga_partition_map_get_name): Likewise.
	* partmap/apple.c (apple_partition_map_iterate): Don't force raw access.
	Set 'number'.
	Set 'offset' and 'index' to real positions of partitions.
	(apple_partition_map_probe): Remove.
	(apple_partition_map_get_name): Likewise.
	* partmap/bsdlabel.c: New file.
	* partmap/gpt.c (gpt_partition_map_iterate): Don't force raw access.
	Set 'number'.
	Allocate 'data' so it can be correctly freed.
	Set 'index' to offset inside sector.
	(gpt_partition_map_probe): Remove.
	(gpt_partition_map_get_name): Likewise.
	* partmap/pc.c (grub_partition_parse): Remove.
	(pc_partition_map_iterate): Don't force raw access.
	Set 'number'.
	Make 'ext_offset' a local variable.
	(pc_partition_map_probe): Remove.
	(pc_partition_map_get_name): Remove.
	* partmap/sun.c (sun_partition_map_iterate): Don't force raw access.
	Set 'number'.
	(sun_partition_map_probe): Remove.
	(sun_partition_map_get_name): Likewise.
	* parttool/pcpart.c (grub_pcpart_boot): Handle nested partitions.
	(grub_pcpart_type): Likewise.
	* util/hostdisk.c (open_device): Handle new numbering scheme.
	(grub_util_biosdisk_get_grub_dev): Handle nested partitions.
	* util/i386/pc/grub-setup.c (setup): Handle new numbering scheme.
	* util/grub-probe.c (probe_partmap): Handle nested paritions.