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volume_id: btrfs - update format

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This commit is contained in:
Kay Sievers 2008-12-09 15:33:23 +01:00
parent 2fc635fb67
commit c9809be568
1 changed files with 8 additions and 2 deletions
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10
extras/volume_id/lib/btrfs.c
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@ -42,6 +42,7 @@ struct btrfs_super_block {
uint64_t root;
uint64_t chunk_root;
uint64_t log_root;
uint64_t log_root_transid;
uint64_t total_bytes;
uint64_t bytes_used;
uint64_t root_dir_objectid;
@ -52,6 +53,10 @@ struct btrfs_super_block {
uint32_t stripesize;
uint32_t sys_chunk_array_size;
uint64_t chunk_root_generation;
uint64_t compat_flags;
uint64_t compat_ro_flags;
uint64_t incompat_flags;
uint16_t csum_type;
uint8_t root_level;
uint8_t chunk_root_level;
uint8_t log_root_level;
@ -64,6 +69,7 @@ struct btrfs_super_block {
uint32_t sector_size;
uint64_t type;
uint64_t generation;
uint64_t start_offset;
uint32_t dev_group;
uint8_t seek_speed;
uint8_t bandwidth;
@ -80,11 +86,11 @@ int volume_id_probe_btrfs(struct volume_id *id, uint64_t off, uint64_t size)
info("probing at offset 0x%" PRIx64 ", size 0x%" PRIx64 "\n", off, size);
buf = volume_id_get_buffer(id, off + 0x4000, 0x200);
buf = volume_id_get_buffer(id, off + 0x10000, 0x200);
if (buf == NULL)
return -1;
bfs = (struct btrfs_super_block *)buf;
if (memcmp(bfs->magic, "_BFRfS_M", 8) != 0)
if (memcmp(bfs->magic, "_BHRfS_M", 8) != 0)
return -1;
volume_id_set_uuid(id, bfs->fsid, 0, UUID_DCE);
volume_id_set_label_raw(id, bfs->label, 256);