Hi,
Ok, I fix some bugs, please see if the new patch works.
--
Bean
diff --git a/fs/ext2.c b/fs/ext2.c
index ffe9e33..4d1e3e1 100644
--- a/fs/ext2.c
+++ b/fs/ext2.c
@@ -443,20 +443,25 @@ grub_ext3_get_journal (struct grub_ext2_data *data)
log->last_block = grub_be_to_cpu32 (jsb->maxlen);
log->start_block = grub_be_to_cpu32 (jsb->start);
+ grub_printf ("header: %d %d %d\n", log->first_block, log->last_block, log->start_block);
+
last_num = num = 0;
block = log->start_block;
seq = grub_be_to_cpu32 (jsb->sequence);
+ grub_printf ("seq: %d\n", seq);
while (1)
{
struct grub_ext3_journal_header *jh;
- if (grub_fshelp_read_file (data->disk, &data->logfile, 0,
- block << (log2bs + 9), sizeof (buf),
- buf, grub_ext2_read_block,
- log->last_block << (log2bs + 9),
- log2bs) !=
- (int) sizeof (buf))
+ grub_printf ("block: %d\n", block);
+
+ grub_fshelp_read_file (data->disk, &data->logfile, 0,
+ block << (log2bs + 9), sizeof (buf),
+ buf, grub_ext2_read_block,
+ log->last_block << (log2bs + 9),
+ log2bs);
+ if (grub_errno)
break;
jh = (struct grub_ext3_journal_header *) &buf[0];
@@ -476,6 +481,7 @@ grub_ext3_get_journal (struct grub_ext2_data *data)
struct grub_ext3_journal_block_tag *tag;
int ofs, flags;
+ grub_printf ("dblock: ");
ofs = sizeof (struct grub_ext3_journal_header);
do
@@ -491,15 +497,19 @@ grub_ext3_get_journal (struct grub_ext2_data *data)
ofs += 16;
log->mapping[num++] = grub_be_to_cpu32 (tag->block);
+ grub_printf ("%d ", grub_be_to_cpu32 (tag->block));
next_block();
}
while (! (flags & EXT3_JOURNAL_FLAG_LAST_TAG));
+ grub_printf ("\n");
+
continue;
}
case EXT3_JOURNAL_COMMIT_BLOCK:
{
+ grub_printf ("cblock: %d\n", seq);
seq++;
last_num = num - 1;
continue;
@@ -508,21 +518,24 @@ grub_ext3_get_journal (struct grub_ext2_data *data)
case EXT3_JOURNAL_REVOKE_BLOCK:
{
struct grub_ext3_journal_revoke_header *jrh;
- grub_uint32_t i;
+ grub_uint32_t i, cnt;
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;
grub_uint32_t map;
map = grub_be_to_cpu32 (jrh->data[i]);
+ grub_printf ("%d ", map);
for (j = 0; j < num; j++)
if (log->mapping[j] == map)
log->mapping[j] = GRUB_FSHELP_JOURNAL_UNUSED_MAPPING;
}
-
+ grub_printf ("\n");
continue;
}
default:
@@ -538,6 +551,7 @@ quit:
{
int size;
+ grub_printf ("num: %d\n", last_num);
size = sizeof (struct grub_fshelp_journal) +
last_num * sizeof (grub_disk_addr_t);
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