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Fix ext2/ext4 filesystem accesses beyond 2TiB

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With CONFIG_SYS_64BIT_LBA, lbaint_t gets defined as a 64-bit type,
which is required to represent block numbers for storage devices that
exceed 2TiB (the block size usually is 512B), e.g. recent hard drives

We now use lbaint_t for partition offset to reflect the lbaint_t change,
and access partitions beyond or crossing the 2.1TiB limit.
This required changes to signature of ext4fs_devread(), and type of all
variables relatives to block sector.

ext2/ext4 fs uses logical block represented by a 32 bit value. Logical
block is a multiple of device block sector. To avoid overflow problem
when calling ext4fs_devread(), we need to cast the sector parameter.

Signed-off-by: Frédéric Leroy <fredo@starox.org>
This commit is contained in:
Frederic Leroy
2013-06-26 18:11:25 +02:00
committed by Tom Rini
parent 0eb33ad253
commit 04735e9c55
12 changed files with 93 additions and 70 deletions
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6
disk/part_efi.c
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@ -200,8 +200,8 @@ int get_partition_info_efi(block_dev_desc_t * dev_desc, int part,
uuid_string(gpt_pte[part - 1].unique_partition_guid.b, info->uuid);
#endif
debug("%s: start 0x%lX, size 0x%lX, name %s", __func__,
info->start, info->size, info->name);
debug("%s: start 0x" LBAF ", size 0x" LBAF ", name %s", __func__,
info->start, info->size, info->name);
/* Remember to free pte */
free(gpt_pte);
@ -431,7 +431,7 @@ int gpt_fill_pte(gpt_header *gpt_h, gpt_entry *gpt_e,
gpt_e[i].partition_name[k] =
(efi_char16_t)(partitions[i].name[k]);
debug("%s: name: %s offset[%d]: 0x%x size[%d]: 0x%lx\n",
debug("%s: name: %s offset[%d]: 0x%x size[%d]: 0x" LBAF "\n",
__func__, partitions[i].name, i,
offset, i, partitions[i].size);
}