st->sb = NULL;
}
-#ifndef MDASSEMBLE
static void examine_gpt(struct supertype *st, char *homehost)
{
struct GPT *gpt = st->sb + 512;
);
}
}
-#endif /* MDASSEMBLE */
static int load_gpt(struct supertype *st, int fd, char *devname)
{
struct MBR *super;
struct GPT *gpt_head;
int to_read;
+ unsigned int sector_size;
free_gpt(st);
return 1;
}
+ if (!get_dev_sector_size(fd, devname, §or_size)) {
+ free(super);
+ return 1;
+ }
+
lseek(fd, 0, 0);
if (read(fd, super, sizeof(*super)) != sizeof(*super)) {
no_read:
free(super);
return 1;
}
+ /* Set offset to second block (GPT header) */
+ lseek(fd, sector_size, SEEK_SET);
/* Seem to have GPT, load the header */
gpt_head = (struct GPT*)(super+1);
if (read(fd, gpt_head, sizeof(*gpt_head)) != sizeof(*gpt_head))
to_read = __le32_to_cpu(gpt_head->part_cnt) * sizeof(struct GPT_part_entry);
to_read = ((to_read+511)/512) * 512;
+ /* Set offset to third block (GPT entries) */
+ lseek(fd, sector_size*2, SEEK_SET);
if (read(fd, gpt_head+1, to_read) != to_read)
goto no_read;
return st;
}
-#ifndef MDASSEMBLE
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)
+ int consistency_policy, int verbose)
{
pr_err("gpt metadata cannot be used this way\n");
return 0;
}
-#endif
struct superswitch gpt = {
-#ifndef MDASSEMBLE
.examine_super = examine_gpt,
.validate_geometry = validate_geometry,
-#endif
.match_metadata_desc = match_metadata_desc,
.load_super = load_gpt,
.store_super = store_gpt,