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volume_id: old md metadata has only 32 bit for the uuid

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This commit is contained in:
Kay Sievers 2007-04-28 23:06:20 +02:00
parent 900878ac80
commit e18e6d7999
1 changed files with 18 additions and 6 deletions
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24
extras/volume_id/lib/linux_raid.c
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@ -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),