diff options
Diffstat (limited to 'print-tree.c')
| -rw-r--r-- | print-tree.c | 79 |
1 files changed, 61 insertions, 18 deletions
diff --git a/print-tree.c b/print-tree.c index 1d523096..527c1e45 100644 --- a/print-tree.c +++ b/print-tree.c @@ -283,6 +283,66 @@ static void print_root_ref(struct extent_buffer *leaf, int slot, char *tag) namelen, namebuf); } +static int count_bytes(void *buf, int len, char b) +{ + int cnt = 0; + int i; + for (i = 0; i < len; i++) { + if (((char*)buf)[i] == b) + cnt++; + } + return cnt; +} + +static void print_root(struct extent_buffer *leaf, int slot) +{ + struct btrfs_root_item *ri; + struct btrfs_root_item root_item; + int len; + char uuid_str[128]; + + ri = btrfs_item_ptr(leaf, slot, struct btrfs_root_item); + len = btrfs_item_size_nr(leaf, slot); + + memset(&root_item, 0, sizeof(root_item)); + read_extent_buffer(leaf, &root_item, (unsigned long)ri, len); + + printf("\t\troot data bytenr %llu level %d dirid %llu refs %u gen %llu\n", + (unsigned long long)btrfs_root_bytenr(&root_item), + btrfs_root_level(&root_item), + (unsigned long long)btrfs_root_dirid(&root_item), + btrfs_root_refs(&root_item), + (unsigned long long)btrfs_root_generation(&root_item)); + + if (root_item.generation == root_item.generation_v2) { + uuid_unparse(root_item.uuid, uuid_str); + printf("\t\tuuid %s\n", uuid_str); + if (count_bytes(root_item.parent_uuid, BTRFS_UUID_SIZE, 0) != BTRFS_UUID_SIZE) { + uuid_unparse(root_item.parent_uuid, uuid_str); + printf("\t\tparent_uuid %s\n", uuid_str); + } + if (count_bytes(root_item.received_uuid, BTRFS_UUID_SIZE, 0) != BTRFS_UUID_SIZE) { + uuid_unparse(root_item.received_uuid, uuid_str); + printf("\t\treceived_uuid %s\n", uuid_str); + } + if (root_item.ctransid) { + printf("\t\tctransid %llu otransid %llu stransid %llu rtransid %llu\n", + btrfs_root_ctransid(&root_item), + btrfs_root_otransid(&root_item), + btrfs_root_stransid(&root_item), + btrfs_root_rtransid(&root_item)); + } + } + if (btrfs_root_refs(&root_item) == 0) { + struct btrfs_key drop_key; + btrfs_disk_key_to_cpu(&drop_key, + &root_item.drop_progress); + printf("\t\tdrop "); + btrfs_print_key(&root_item.drop_progress); + printf(" level %d\n", root_item.drop_level); + } +} + static void print_free_space_header(struct extent_buffer *leaf, int slot) { struct btrfs_free_space_header *header; @@ -480,7 +540,6 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) int i; char *str; struct btrfs_item *item; - struct btrfs_root_item *ri; struct btrfs_dir_item *di; struct btrfs_inode_item *ii; struct btrfs_file_extent_item *fi; @@ -490,7 +549,6 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) struct btrfs_inode_ref *iref; struct btrfs_dev_extent *dev_extent; struct btrfs_disk_key disk_key; - struct btrfs_root_item root_item; struct btrfs_block_group_item bg_item; struct btrfs_dir_log_item *dlog; u32 nr = btrfs_header_nritems(l); @@ -549,22 +607,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) printf("\t\torphan item\n"); break; case BTRFS_ROOT_ITEM_KEY: - ri = btrfs_item_ptr(l, i, struct btrfs_root_item); - read_extent_buffer(l, &root_item, (unsigned long)ri, sizeof(root_item)); - printf("\t\troot data bytenr %llu level %d dirid %llu refs %u gen %llu\n", - (unsigned long long)btrfs_root_bytenr(&root_item), - btrfs_root_level(&root_item), - (unsigned long long)btrfs_root_dirid(&root_item), - btrfs_root_refs(&root_item), - (unsigned long long)btrfs_root_generation(&root_item)); - if (btrfs_root_refs(&root_item) == 0) { - struct btrfs_key drop_key; - btrfs_disk_key_to_cpu(&drop_key, - &root_item.drop_progress); - printf("\t\tdrop "); - btrfs_print_key(&root_item.drop_progress); - printf(" level %d\n", root_item.drop_level); - } + print_root(l, i); break; case BTRFS_ROOT_REF_KEY: print_root_ref(l, i, "ref"); |