diff options
| author | Kay Sievers <kay.sievers@vrfy.org> | 2007-04-28 23:06:20 +0200 |
|---|---|---|
| committer | Kay Sievers <kay.sievers@vrfy.org> | 2007-04-28 23:06:20 +0200 |
| commit | e18e6d79996edeeb07e122f3582a688c3ef4f6b9 (patch) | |
| tree | b1477db61357c56909684e640e2accaa3a283c46 /extras/volume_id | |
| parent | 900878ac803eb298c7adfe2b35a8b4ee9708ef6e (diff) | |
volume_id: old md metadata has only 32 bit for the uuid
Diffstat (limited to 'extras/volume_id')
| -rw-r--r-- | extras/volume_id/lib/linux_raid.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/extras/volume_id/lib/linux_raid.c b/extras/volume_id/lib/linux_raid.c index 009c714bd1..8ce2eb52da 100644 --- a/extras/volume_id/lib/linux_raid.c +++ b/extras/volume_id/lib/linux_raid.c @@ -78,9 +78,15 @@ static int volume_id_probe_linux_raid0(struct volume_id *id, uint64_t off, uint6 if (le32_to_cpu(mdp0->md_magic) == MD_SB_MAGIC) { uuid.ints[0] = bswap_32(mdp0->set_uuid0); - uuid.ints[1] = bswap_32(mdp0->set_uuid1); - uuid.ints[2] = bswap_32(mdp0->set_uuid2); - uuid.ints[3] = bswap_32(mdp0->set_uuid3); + if (le32_to_cpu(mdp0->minor_version >= 90)) { + uuid.ints[1] = bswap_32(mdp0->set_uuid1); + uuid.ints[2] = bswap_32(mdp0->set_uuid2); + uuid.ints[3] = bswap_32(mdp0->set_uuid3); + } else { + uuid.ints[1] = 0; + uuid.ints[2] = 0; + uuid.ints[3] = 0; + } volume_id_set_uuid(id, uuid.bytes, UUID_DCE); snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u.%u", le32_to_cpu(mdp0->major_version), @@ -88,9 +94,15 @@ static int volume_id_probe_linux_raid0(struct volume_id *id, uint64_t off, uint6 le32_to_cpu(mdp0->patch_version)); } else if (be32_to_cpu(mdp0->md_magic) == MD_SB_MAGIC) { uuid.ints[0] = mdp0->set_uuid0; - uuid.ints[1] = mdp0->set_uuid1; - uuid.ints[2] = mdp0->set_uuid2; - uuid.ints[3] = mdp0->set_uuid3; + if (be32_to_cpu(mdp0->minor_version >= 90)) { + uuid.ints[1] = mdp0->set_uuid1; + uuid.ints[2] = mdp0->set_uuid2; + uuid.ints[3] = mdp0->set_uuid3; + } else { + uuid.ints[1] = 0; + uuid.ints[2] = 0; + uuid.ints[3] = 0; + } volume_id_set_uuid(id, uuid.bytes, UUID_DCE); snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u.%u", be32_to_cpu(mdp0->major_version), |