printf(" MBR Magic : %04x\n", sb->magic);
for (i = 0; i < MBR_PARTITIONS; i++)
+ /*
+ * Have to make every access through sb rather than using a
+ * pointer to the partition table (or an entry), since the
+ * entries are not properly aligned.
+ */
if (sb->parts[i].blocks_num)
printf("Partition[%d] : %12lu sectors at %12lu (type %02x)\n",
i,
free_mbr(st);
if (posix_memalign((void**)&super, 512, 512) != 0) {
- pr_err("%s could not allocate superblock\n",
- __func__);
+ pr_err("could not allocate superblock\n");
return 1;
}
- ioctl(fd, BLKFLSBUF, 0); /* make sure we read current data */
-
lseek(fd, 0, 0);
if (read(fd, super, sizeof(*super)) != sizeof(*super)) {
if (devname)
free(super);
return 1;
}
-
+
if (super->magic != MBR_SIGNATURE_MAGIC) {
if (devname)
pr_err("No partition table found on %s\n",
struct MBR *old, *super;
if (posix_memalign((void**)&old, 512, 512) != 0) {
- pr_err("%s could not allocate superblock\n",
- __func__);
+ pr_err("could not allocate superblock\n");
return 1;
}
- ioctl(fd, BLKFLSBUF, 0); /* make sure we read current data */
-
lseek(fd, 0, 0);
if (read(fd, old, sizeof(*old)) != sizeof(*old)) {
free(old);
info->component_size = 0;
for (i = 0; i < MBR_PARTITIONS ; i++)
+ /*
+ * Have to make every access through sb rather than using a
+ * pointer to the partition table (or an entry), since the
+ * entries are not properly aligned.
+ */
if (sb->parts[i].blocks_num) {
- unsigned long last =
+ unsigned long last =
(unsigned long)__le32_to_cpu(sb->parts[i].blocks_num)
+ (unsigned long)__le32_to_cpu(sb->parts[i].first_sect_lba);
if (last > info->component_size)
static int validate_geometry(struct supertype *st, int level,
int layout, int raiddisks,
int *chunk, unsigned long long size,
+ unsigned long long data_offset,
char *subdev, unsigned long long *freesize,
int verbose)
{