{
u16 num_stripes = btrfs_chunk_num_stripes(eb, chunk);
int i;
- u32 chunk_item_size = btrfs_chunk_item_size(num_stripes);
+ u32 chunk_item_size;
char chunk_flags_str[32] = {0};
+ /* The chunk must contain at least one stripe */
+ if (num_stripes < 1) {
+ printf("invalid num_stripes: %u\n", num_stripes);
+ return;
+ }
+
+ chunk_item_size = btrfs_chunk_item_size(num_stripes);
+
if ((unsigned long)chunk + chunk_item_size > eb->len) {
printf("\t\tchunk item invalid\n");
return;
case BTRFS_COMPRESS_LZO:
strcpy(ret, "lzo");
break;
+ case BTRFS_COMPRESS_ZSTD:
+ strcpy(ret, "zstd");
+ break;
default:
sprintf(ret, "UNKNOWN.%d", compress_type);
}
flags_str);
}
+static void print_extent_data_ref(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_extent_data_ref *dref;
+
+ dref = btrfs_item_ptr(eb, slot, struct btrfs_extent_data_ref);
+ printf("\t\textent data backref root %llu "
+ "objectid %llu offset %llu count %u\n",
+ (unsigned long long)btrfs_extent_data_ref_root(eb, dref),
+ (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref),
+ (unsigned long long)btrfs_extent_data_ref_offset(eb, dref),
+ btrfs_extent_data_ref_count(eb, dref));
+}
+
+static void print_shared_data_ref(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_shared_data_ref *sref;
+
+ sref = btrfs_item_ptr(eb, slot, struct btrfs_shared_data_ref);
+ printf("\t\tshared data backref count %u\n",
+ btrfs_shared_data_ref_count(eb, sref));
+}
+
+static void print_free_space_info(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_free_space_info *free_info;
+
+ free_info = btrfs_item_ptr(eb, slot, struct btrfs_free_space_info);
+ printf("\t\tfree space info extent count %u flags %u\n",
+ (unsigned)btrfs_free_space_extent_count(eb, free_info),
+ (unsigned)btrfs_free_space_flags(eb, free_info));
+}
+
+static void print_dev_extent(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_dev_extent *dev_extent;
+ u8 uuid[BTRFS_UUID_SIZE];
+ char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
+
+ dev_extent = btrfs_item_ptr(eb, slot, struct btrfs_dev_extent);
+ read_extent_buffer(eb, uuid,
+ (unsigned long)btrfs_dev_extent_chunk_tree_uuid(dev_extent),
+ BTRFS_UUID_SIZE);
+ uuid_unparse(uuid, uuid_str);
+ printf("\t\tdev extent chunk_tree %llu\n"
+ "\t\tchunk_objectid %llu chunk_offset %llu "
+ "length %llu\n"
+ "\t\tchunk_tree_uuid %s\n",
+ (unsigned long long)btrfs_dev_extent_chunk_tree(eb, dev_extent),
+ (unsigned long long)btrfs_dev_extent_chunk_objectid(eb, dev_extent),
+ (unsigned long long)btrfs_dev_extent_chunk_offset(eb, dev_extent),
+ (unsigned long long)btrfs_dev_extent_length(eb, dev_extent),
+ uuid_str);
+}
+
+static void print_qgroup_status(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_qgroup_status_item *qg_status;
+ char flags_str[256];
+
+ qg_status = btrfs_item_ptr(eb, slot, struct btrfs_qgroup_status_item);
+ memset(flags_str, 0, sizeof(flags_str));
+ qgroup_flags_to_str(btrfs_qgroup_status_flags(eb, qg_status),
+ flags_str);
+ printf("\t\tversion %llu generation %llu flags %s scan %lld\n",
+ (unsigned long long)btrfs_qgroup_status_version(eb, qg_status),
+ (unsigned long long)btrfs_qgroup_status_generation(eb, qg_status),
+ flags_str,
+ (unsigned long long)btrfs_qgroup_status_rescan(eb, qg_status));
+}
+
+static void print_qgroup_info(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_qgroup_info_item *qg_info;
+
+ qg_info = btrfs_item_ptr(eb, slot, struct btrfs_qgroup_info_item);
+ printf("\t\tgeneration %llu\n"
+ "\t\treferenced %llu referenced_compressed %llu\n"
+ "\t\texclusive %llu exclusive_compressed %llu\n",
+ (unsigned long long)btrfs_qgroup_info_generation(eb, qg_info),
+ (unsigned long long)btrfs_qgroup_info_referenced(eb, qg_info),
+ (unsigned long long)btrfs_qgroup_info_referenced_compressed(eb,
+ qg_info),
+ (unsigned long long)btrfs_qgroup_info_exclusive(eb, qg_info),
+ (unsigned long long)btrfs_qgroup_info_exclusive_compressed(eb,
+ qg_info));
+}
+
+static void print_qgroup_limit(struct extent_buffer *eb, int slot)
+{
+ struct btrfs_qgroup_limit_item *qg_limit;
+
+ qg_limit = btrfs_item_ptr(eb, slot, struct btrfs_qgroup_limit_item);
+ printf("\t\tflags %llx\n"
+ "\t\tmax_referenced %lld max_exclusive %lld\n"
+ "\t\trsv_referenced %lld rsv_exclusive %lld\n",
+ (unsigned long long)btrfs_qgroup_limit_flags(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_max_referenced(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_max_exclusive(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_rsv_referenced(eb, qg_limit),
+ (long long)btrfs_qgroup_limit_rsv_exclusive(eb, qg_limit));
+}
+
+static void print_persistent_item(struct extent_buffer *eb, void *ptr,
+ u32 item_size, u64 objectid, u64 offset)
+{
+ printf("\t\tpersistent item objectid ");
+ print_objectid(stdout, objectid, BTRFS_PERSISTENT_ITEM_KEY);
+ printf(" offset %llu\n", (unsigned long long)offset);
+ switch (objectid) {
+ case BTRFS_DEV_STATS_OBJECTID:
+ print_dev_stats(eb, ptr, item_size);
+ break;
+ default:
+ printf("\t\tunknown persistent item objectid %llu\n", objectid);
+ }
+}
+
+static void print_temporary_item(struct extent_buffer *eb, void *ptr,
+ u64 objectid, u64 offset)
+{
+ printf("\t\ttemporary item objectid ");
+ print_objectid(stdout, objectid, BTRFS_TEMPORARY_ITEM_KEY);
+ printf(" offset %llu\n", (unsigned long long)offset);
+ switch (objectid) {
+ case BTRFS_BALANCE_OBJECTID:
+ print_balance_item(eb, ptr);
+ break;
+ default:
+ printf("\t\tunknown temporary item objectid %llu\n", objectid);
+ }
+}
+
+static void print_extent_csum(struct extent_buffer *eb,
+ struct btrfs_fs_info *fs_info, u32 item_size, u64 start)
+{
+ u32 size;
+
+ size = (item_size / btrfs_super_csum_size(fs_info->super_copy)) *
+ fs_info->sectorsize;
+ printf("\t\trange start %llu end %llu length %u\n",
+ (unsigned long long)start,
+ (unsigned long long)start + size, size);
+}
+
/* Caller must ensure sizeof(*ret) >= 14 "WRITTEN|RELOC" */
static void header_flags_to_str(u64 flags, char *ret)
{
u64 objectid;
u32 type;
u64 offset;
- char flags_str[256];
- char uuid_str[BTRFS_UUID_UNPARSED_SIZE];
- u8 uuid[BTRFS_UUID_SIZE];
item = btrfs_item_nr(i);
item_size = btrfs_item_size(eb, item);
case BTRFS_SHARED_BLOCK_REF_KEY:
printf("\t\tshared block backref\n");
break;
- case BTRFS_EXTENT_DATA_REF_KEY: {
- struct btrfs_extent_data_ref *dref;
-
- dref = btrfs_item_ptr(eb, i, struct btrfs_extent_data_ref);
- printf("\t\textent data backref root %llu "
- "objectid %llu offset %llu count %u\n",
- (unsigned long long)btrfs_extent_data_ref_root(eb, dref),
- (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref),
- (unsigned long long)btrfs_extent_data_ref_offset(eb, dref),
- btrfs_extent_data_ref_count(eb, dref));
+ case BTRFS_EXTENT_DATA_REF_KEY:
+ print_extent_data_ref(eb, i);
break;
- }
- case BTRFS_SHARED_DATA_REF_KEY: {
- struct btrfs_shared_data_ref *sref;
- sref = btrfs_item_ptr(eb, i, struct btrfs_shared_data_ref);
- printf("\t\tshared data backref count %u\n",
- btrfs_shared_data_ref_count(eb, sref));
+ case BTRFS_SHARED_DATA_REF_KEY:
+ print_shared_data_ref(eb, i);
break;
- }
case BTRFS_EXTENT_REF_V0_KEY:
#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
print_extent_ref_v0(eb, i);
printf("\t\tcsum item\n");
break;
case BTRFS_EXTENT_CSUM_KEY:
- printf("\t\textent csum item\n");
+ print_extent_csum(eb, root->fs_info, item_size,
+ offset);
break;
case BTRFS_EXTENT_DATA_KEY:
print_file_extent_item(eb, item, i, ptr);
case BTRFS_BLOCK_GROUP_ITEM_KEY:
print_block_group_item(eb, ptr);
break;
- case BTRFS_FREE_SPACE_INFO_KEY: {
- struct btrfs_free_space_info *free_info;
-
- free_info = btrfs_item_ptr(eb, i, struct btrfs_free_space_info);
- printf("\t\tfree space info extent count %u flags %u\n",
- (unsigned)btrfs_free_space_extent_count(eb, free_info),
- (unsigned)btrfs_free_space_flags(eb, free_info));
+ case BTRFS_FREE_SPACE_INFO_KEY:
+ print_free_space_info(eb, i);
break;
- }
case BTRFS_FREE_SPACE_EXTENT_KEY:
printf("\t\tfree space extent\n");
break;
case BTRFS_DEV_ITEM_KEY:
print_dev_item(eb, ptr);
break;
- case BTRFS_DEV_EXTENT_KEY: {
- struct btrfs_dev_extent *dev_extent;
-
- dev_extent = btrfs_item_ptr(eb, i,
- struct btrfs_dev_extent);
- read_extent_buffer(eb, uuid,
- (unsigned long)btrfs_dev_extent_chunk_tree_uuid(dev_extent),
- BTRFS_UUID_SIZE);
- uuid_unparse(uuid, uuid_str);
- printf("\t\tdev extent chunk_tree %llu\n"
- "\t\tchunk_objectid %llu chunk_offset %llu "
- "length %llu\n"
- "\t\tchunk_tree_uuid %s\n",
- (unsigned long long)
- btrfs_dev_extent_chunk_tree(eb, dev_extent),
- (unsigned long long)
- btrfs_dev_extent_chunk_objectid(eb, dev_extent),
- (unsigned long long)
- btrfs_dev_extent_chunk_offset(eb, dev_extent),
- (unsigned long long)
- btrfs_dev_extent_length(eb, dev_extent),
- uuid_str);
+ case BTRFS_DEV_EXTENT_KEY:
+ print_dev_extent(eb, i);
break;
- }
- case BTRFS_QGROUP_STATUS_KEY: {
- struct btrfs_qgroup_status_item *qg_status;
-
- qg_status = btrfs_item_ptr(eb, i,
- struct btrfs_qgroup_status_item);
- memset(flags_str, 0, sizeof(flags_str));
- qgroup_flags_to_str(btrfs_qgroup_status_flags(eb, qg_status),
- flags_str);
- printf("\t\tversion %llu generation %llu flags %s "
- "scan %lld\n",
- (unsigned long long)
- btrfs_qgroup_status_version(eb, qg_status),
- (unsigned long long)
- btrfs_qgroup_status_generation(eb, qg_status),
- flags_str,
- (unsigned long long)
- btrfs_qgroup_status_rescan(eb, qg_status));
+ case BTRFS_QGROUP_STATUS_KEY:
+ print_qgroup_status(eb, i);
break;
- }
case BTRFS_QGROUP_RELATION_KEY:
break;
- case BTRFS_QGROUP_INFO_KEY: {
- struct btrfs_qgroup_info_item *qg_info;
-
- qg_info = btrfs_item_ptr(eb, i,
- struct btrfs_qgroup_info_item);
- printf("\t\tgeneration %llu\n"
- "\t\treferenced %llu referenced_compressed %llu\n"
- "\t\texclusive %llu exclusive_compressed %llu\n",
- (unsigned long long)
- btrfs_qgroup_info_generation(eb, qg_info),
- (unsigned long long)
- btrfs_qgroup_info_referenced(eb, qg_info),
- (unsigned long long)
- btrfs_qgroup_info_referenced_compressed(eb,
- qg_info),
- (unsigned long long)
- btrfs_qgroup_info_exclusive(eb, qg_info),
- (unsigned long long)
- btrfs_qgroup_info_exclusive_compressed(eb,
- qg_info));
+ case BTRFS_QGROUP_INFO_KEY:
+ print_qgroup_info(eb, i);
break;
- }
- case BTRFS_QGROUP_LIMIT_KEY: {
- struct btrfs_qgroup_limit_item *qg_limit;
-
- qg_limit = btrfs_item_ptr(eb, i,
- struct btrfs_qgroup_limit_item);
- printf("\t\tflags %llx\n"
- "\t\tmax_referenced %lld max_exclusive %lld\n"
- "\t\trsv_referenced %lld rsv_exclusive %lld\n",
- (unsigned long long)
- btrfs_qgroup_limit_flags(eb, qg_limit),
- (long long)
- btrfs_qgroup_limit_max_referenced(eb, qg_limit),
- (long long)
- btrfs_qgroup_limit_max_exclusive(eb, qg_limit),
- (long long)
- btrfs_qgroup_limit_rsv_referenced(eb, qg_limit),
- (long long)
- btrfs_qgroup_limit_rsv_exclusive(eb, qg_limit));
+ case BTRFS_QGROUP_LIMIT_KEY:
+ print_qgroup_limit(eb, i);
break;
- }
case BTRFS_UUID_KEY_SUBVOL:
case BTRFS_UUID_KEY_RECEIVED_SUBVOL:
print_uuid_item(eb, btrfs_item_ptr_offset(eb, i),
break;
}
case BTRFS_PERSISTENT_ITEM_KEY:
- printf("\t\tpersistent item objectid ");
- print_objectid(stdout, objectid, BTRFS_PERSISTENT_ITEM_KEY);
- printf(" offset %llu\n", (unsigned long long)offset);
- switch (objectid) {
- case BTRFS_DEV_STATS_OBJECTID:
- print_dev_stats(eb, ptr, item_size);
- break;
- default:
- printf("\t\tunknown persistent item objectid %llu\n",
- objectid);
- }
+ print_persistent_item(eb, ptr, item_size, objectid,
+ offset);
break;
case BTRFS_TEMPORARY_ITEM_KEY:
- printf("\t\ttemporary item objectid ");
- print_objectid(stdout, objectid, BTRFS_TEMPORARY_ITEM_KEY);
- printf(" offset %llu\n", (unsigned long long)offset);
- switch (objectid) {
- case BTRFS_BALANCE_OBJECTID:
- print_balance_item(eb, ptr);
- break;
- default:
- printf("\t\tunknown temporary item objectid %llu\n",
- objectid);
- }
+ print_temporary_item(eb, ptr, objectid, offset);
break;
};
fflush(stdout);
projects / platform / upstream / btrfs-progs.git / blobdiff