forked from Mirrors/btrfs-progs
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "kerncompat.h"
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#include "radix-tree.h"
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#include "ctree.h"
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#include "disk-io.h"
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void print_leaf(struct leaf *l)
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{
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int i;
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u32 nr = btrfs_header_nritems(&l->header);
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struct btrfs_item *item;
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struct extent_item *ei;
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printf("leaf %Lu total ptrs %d free space %d\n",
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btrfs_header_blocknr(&l->header), nr, leaf_free_space(l));
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fflush(stdout);
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for (i = 0 ; i < nr ; i++) {
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item = l->items + i;
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printf("\titem %d key (%Lu %u %Lu) itemoff %d itemsize %d\n",
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i,
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btrfs_key_objectid(&item->key),
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btrfs_key_flags(&item->key),
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btrfs_key_offset(&item->key),
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btrfs_item_offset(item),
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btrfs_item_size(item));
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fflush(stdout);
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printf("\t\titem data %.*s\n", btrfs_item_size(item),
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l->data + btrfs_item_offset(item));
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ei = (struct extent_item *)(l->data + btrfs_item_offset(item));
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printf("\t\textent data refs %u owner %Lu\n", ei->refs,
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ei->owner);
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fflush(stdout);
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}
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}
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void print_tree(struct ctree_root *root, struct tree_buffer *t)
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{
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int i;
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u32 nr;
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struct node *c;
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if (!t)
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return;
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c = &t->node;
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nr = btrfs_header_nritems(&c->header);
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if (btrfs_is_leaf(c)) {
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print_leaf((struct leaf *)c);
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return;
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}
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printf("node %Lu level %d total ptrs %d free spc %u\n", t->blocknr,
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btrfs_header_level(&c->header), nr,
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(u32)NODEPTRS_PER_BLOCK - nr);
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fflush(stdout);
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for (i = 0; i < nr; i++) {
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printf("\tkey %d (%Lu %u %Lu) block %Lu\n",
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i,
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c->keys[i].objectid, c->keys[i].flags, c->keys[i].offset,
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btrfs_node_blockptr(c, i));
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fflush(stdout);
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}
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for (i = 0; i < nr; i++) {
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struct tree_buffer *next_buf = read_tree_block(root,
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btrfs_node_blockptr(c, i));
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struct node *next = &next_buf->node;
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if (btrfs_is_leaf(next) &&
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btrfs_header_level(&c->header) != 1)
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BUG();
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if (btrfs_header_level(&next->header) !=
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btrfs_header_level(&c->header) - 1)
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BUG();
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print_tree(root, next_buf);
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tree_block_release(root, next_buf);
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}
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}
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