The ending LBA is inclusive. Hence, the partition size should be ((ending-LBA + 1) - starting-LBA) to get the proper partition size.
This is confirmed against the results from the parted tool. (e.g. use parted /dev/sda -s unit S print) and observe the size.
Signed-off-by: Richard Retanubun RichardRetanubun@RuggedCom.com --- Hi Wolfgang, Here is the patch rebased against commit 8f86a3636ef88427f880610638e80991adc41896
Thanks for the help -Richard
disk/part_efi.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/disk/part_efi.c b/disk/part_efi.c index cc188ee..d8a8111 100644 --- a/disk/part_efi.c +++ b/disk/part_efi.c @@ -163,7 +163,9 @@ int get_partition_info_efi(block_dev_desc_t * dev_desc, int part,
/* The ulong casting limits the maximum disk size to 2 TB */ info->start = (ulong) le64_to_int((*pgpt_pte)[part - 1].starting_lba); - info->size = (ulong) le64_to_int((*pgpt_pte)[part - 1].ending_lba) - info->start; + /* The ending LBA is inclusive, to calculate size, add 1 to it */ + info->size = ((ulong)le64_to_int((*pgpt_pte)[part - 1].ending_lba) + 1) + - info->start; info->blksz = GPT_BLOCK_SIZE;
sprintf((char *)info->name, "%s%d\n", GPT_ENTRY_NAME, part);