chiark
/
gitweb
/
~ianmdlvl
/
elogind.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
volume_id: LVM - add uuid
[elogind.git]
/
extras
/
volume_id
/
lib
/
lvm.c
diff --git
a/extras/volume_id/lib/lvm.c
b/extras/volume_id/lib/lvm.c
index 9c83c553078e7cdef830948ccbc338e3cf1f24d7..7c4f81131cd438dca12b6f66090e547b41f6cb5f 100644
(file)
--- a/
extras/volume_id/lib/lvm.c
+++ b/
extras/volume_id/lib/lvm.c
@@
-38,6
+38,11
@@
struct lvm2_super_block {
uint8_t type[8];
} PACKED;
uint8_t type[8];
} PACKED;
+struct lvm2_pv_header {
+ uint8_t id[32];
+ uint64_t devsize_xl;
+} PACKED;
+
#define LVM1_SB_OFF 0x400
#define LVM1_MAGIC "HM"
#define LVM1_SB_OFF 0x400
#define LVM1_MAGIC "HM"
@@
-71,6
+76,7
@@
int volume_id_probe_lvm2(struct volume_id *id, uint64_t off, uint64_t size)
const uint8_t *buf;
unsigned int soff;
struct lvm2_super_block *lvm;
const uint8_t *buf;
unsigned int soff;
struct lvm2_super_block *lvm;
+ struct lvm2_pv_header *pvhdr;
dbg("probing at offset 0x%llx", (unsigned long long) off);
dbg("probing at offset 0x%llx", (unsigned long long) off);
@@
-89,8
+95,13
@@
int volume_id_probe_lvm2(struct volume_id *id, uint64_t off, uint64_t size)
return -1;
found:
return -1;
found:
+ dbg("found at offset 0x%x (pv hdr offset 0x%x)",
+ soff, cpu_to_le32(lvm->offset_xl));
+ soff += cpu_to_le32(lvm->offset_xl);
+ pvhdr = (struct lvm2_pv_header *) &buf[soff];
memcpy(id->type_version, lvm->type, 8);
volume_id_set_usage(id, VOLUME_ID_RAID);
memcpy(id->type_version, lvm->type, 8);
volume_id_set_usage(id, VOLUME_ID_RAID);
+ volume_id_set_uuid(id, pvhdr->id, 0, UUID_LVM);
id->type = "LVM2_member";
return 0;
id->type = "LVM2_member";
return 0;