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2008-06-13 Bean <bean123ch@gmail.com>

Browse source 
* commands/hexdump.c (grub_cmd_hexdump): Adjust offset for partition.

	* fs/ext2.c (grub_ext3_get_journal): Fix revoke block handling.

	* fs/fshelp.c (grub_fshelp_map_block): Don't map block 0 as it's used
	to indicate sparse block.
This commit is contained in:
bean 2008-06-13 06:47:46 +00:00
parent e6d1a308ed
commit dfe9ddd4cb
4 changed files with 25 additions and 10 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2008-06-13 Bean <bean123ch@gmail.com>
* commands/hexdump.c (grub_cmd_hexdump): Adjust offset for partition.
* fs/ext2.c (grub_ext3_get_journal): Fix revoke block handling.
* fs/fshelp.c (grub_fshelp_map_block): Don't map block 0 as it's used
to indicate sparse block.
2008-06-12 Pavel Roskin <proski@gnu.org> 2008-06-12 Pavel Roskin <proski@gnu.org>
* fs/ext2.c (grub_ext2_read_inode): Don't normalize block * fs/ext2.c (grub_ext2_read_inode): Don't normalize block

6
commands/hexdump.c
View file

@ -25,6 +25,7 @@
#include <grub/misc.h> #include <grub/misc.h>
#include <grub/gzio.h> #include <grub/gzio.h>
#include <grub/hexdump.h> #include <grub/hexdump.h>
#include <grub/partition.h>
static const struct grub_arg_option options[] = { static const struct grub_arg_option options[] = {
{"skip", 's', 0, "skip offset bytes from the beginning of file.", 0, {"skip", 's', 0, "skip offset bytes from the beginning of file.", 0,
@ -84,7 +85,7 @@ grub_cmd_hexdump (struct grub_arg_list *state, int argc, char **args)
{ {
char buf[GRUB_DISK_SECTOR_SIZE * 4]; char buf[GRUB_DISK_SECTOR_SIZE * 4];
grub_ssize_t size, length; grub_ssize_t size, length;
unsigned long skip; grub_disk_addr_t skip;
int namelen; int namelen;
if (argc != 1) if (argc != 1)
@ -107,6 +108,9 @@ grub_cmd_hexdump (struct grub_arg_list *state, int argc, char **args)
if (! disk) if (! disk)
return 0; return 0;
if (disk->partition)
skip += grub_partition_get_start (disk->partition) << GRUB_DISK_SECTOR_BITS;
sector = (skip >> (GRUB_DISK_SECTOR_BITS + 2)) * 4; sector = (skip >> (GRUB_DISK_SECTOR_BITS + 2)) * 4;
ofs = skip & (GRUB_DISK_SECTOR_SIZE * 4 - 1); ofs = skip & (GRUB_DISK_SECTOR_SIZE * 4 - 1);
while (length) while (length)

12
fs/ext2.c
View file

@ -436,12 +436,12 @@ grub_ext3_get_journal (struct grub_ext2_data *data)
{ {
struct grub_ext3_journal_header *jh; struct grub_ext3_journal_header *jh;
if (grub_fshelp_read_file (data->disk, &data->logfile, 0, grub_fshelp_read_file (data->disk, &data->logfile, 0,
block << (log2bs + 9), sizeof (buf), block << (log2bs + 9), sizeof (buf),
buf, grub_ext2_read_block, buf, grub_ext2_read_block,
log->last_block << (log2bs + 9), log->last_block << (log2bs + 9),
log2bs) != log2bs);
(int) sizeof (buf)) if (grub_errno)
break; break;
jh = (struct grub_ext3_journal_header *) &buf[0]; jh = (struct grub_ext3_journal_header *) &buf[0];
@ -493,11 +493,13 @@ grub_ext3_get_journal (struct grub_ext2_data *data)
case EXT3_JOURNAL_REVOKE_BLOCK: case EXT3_JOURNAL_REVOKE_BLOCK:
{ {
struct grub_ext3_journal_revoke_header *jrh; struct grub_ext3_journal_revoke_header *jrh;
grub_uint32_t i; grub_uint32_t i, cnt;
jrh = (struct grub_ext3_journal_revoke_header *) jh; jrh = (struct grub_ext3_journal_revoke_header *) jh;
cnt = (grub_be_to_cpu32 (jrh->count) -
sizeof (struct grub_ext3_journal_revoke_header)) >> 2;
for (i = 0; i < grub_be_to_cpu32 (jrh->count); i++) for (i = 0; i < cnt; i++)
{ {
int j; int j;
grub_uint32_t map; grub_uint32_t map;

2
fs/fshelp.c
View file

@ -356,7 +356,7 @@ grub_fshelp_map_block (grub_fshelp_journal_t log, grub_disk_addr_t block)
{ {
int map_block; int map_block;
if (! log) if ((! log) || (! block))
return block; return block;
for (map_block = log->num_mappings - 1; map_block >= 0; map_block--) for (map_block = log->num_mappings - 1; map_block >= 0; map_block--)