int ret;
u64 data_len;
unsigned long leaf_offset;
+ bool verify_csum = !!check_data_csum;
root = root->fs_info->csum_root;
if (!extent_buffer_uptodate(root->node)) {
path.slots[0]--;
ret = 0;
+ /*
+ * For metadata dump (btrfs-image) all data is wiped so verifying data
+ * csum is meaningless and will always report csum error.
+ */
+ if (check_data_csum && (btrfs_super_flags(root->fs_info->super_copy) &
+ (BTRFS_SUPER_FLAG_METADUMP | BTRFS_SUPER_FLAG_METADUMP_V2))) {
+ printf("skip data csum verification for metadata dump\n");
+ verify_csum = false;
+ }
+
while (1) {
if (path.slots[0] >= btrfs_header_nritems(path.nodes[0])) {
ret = btrfs_next_leaf(root, &path);
data_len = (btrfs_item_size_nr(leaf, path.slots[0]) /
csum_size) * root->fs_info->sectorsize;
- if (!check_data_csum)
+ if (!verify_csum)
goto skip_csum_check;
leaf_offset = btrfs_item_ptr_offset(leaf, path.slots[0]);
ret = check_extent_csums(root, key.offset, data_len,
goto out;
if (btrfs_is_leaf(buf)) {
- btree_space_waste += btrfs_leaf_free_space(root, buf);
+ btree_space_waste += btrfs_leaf_free_space(fs_info, buf);
for (i = 0; i < nritems; i++) {
struct btrfs_file_extent_item *fi;
}
} else {
int level;
- struct btrfs_key first_key;
-
- first_key.objectid = 0;
- if (nritems > 0)
- btrfs_item_key_to_cpu(buf, &first_key, 0);
level = btrfs_header_level(buf);
for (i = 0; i < nritems; i++) {
struct extent_record tmpl;