mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-17 01:04:19 +08:00
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include "kerncompat.h"
|
|
#include "radix-tree.h"
|
|
#include "ctree.h"
|
|
#include "disk-io.h"
|
|
|
|
void print_leaf(struct leaf *l)
|
|
{
|
|
int i;
|
|
int nr = l->header.nritems;
|
|
struct item *item;
|
|
struct extent_item *ei;
|
|
printf("leaf %Lu total ptrs %d free space %d\n", l->header.blocknr, nr,
|
|
leaf_free_space(l));
|
|
fflush(stdout);
|
|
for (i = 0 ; i < nr ; i++) {
|
|
item = l->items + i;
|
|
printf("\titem %d key (%Lu %u %Lu) itemoff %d itemsize %d\n",
|
|
i,
|
|
item->key.objectid, item->key.flags, item->key.offset,
|
|
item->offset, item->size);
|
|
fflush(stdout);
|
|
printf("\t\titem data %.*s\n", item->size, l->data+item->offset);
|
|
ei = (struct extent_item *)(l->data + item->offset);
|
|
printf("\t\textent data %u %Lu\n", ei->refs, ei->owner);
|
|
fflush(stdout);
|
|
}
|
|
}
|
|
void print_tree(struct ctree_root *root, struct tree_buffer *t)
|
|
{
|
|
int i;
|
|
int nr;
|
|
struct node *c;
|
|
|
|
if (!t)
|
|
return;
|
|
c = &t->node;
|
|
nr = c->header.nritems;
|
|
if (c->header.blocknr != t->blocknr)
|
|
BUG();
|
|
if (is_leaf(c->header.flags)) {
|
|
print_leaf((struct leaf *)c);
|
|
return;
|
|
}
|
|
printf("node %Lu level %d total ptrs %d free spc %lu\n", t->blocknr,
|
|
node_level(c->header.flags), c->header.nritems,
|
|
NODEPTRS_PER_BLOCK - c->header.nritems);
|
|
fflush(stdout);
|
|
for (i = 0; i < nr; i++) {
|
|
printf("\tkey %d (%Lu %u %Lu) block %Lu\n",
|
|
i,
|
|
c->keys[i].objectid, c->keys[i].flags, c->keys[i].offset,
|
|
c->blockptrs[i]);
|
|
fflush(stdout);
|
|
}
|
|
for (i = 0; i < nr; i++) {
|
|
struct tree_buffer *next_buf = read_tree_block(root,
|
|
c->blockptrs[i]);
|
|
struct node *next = &next_buf->node;
|
|
if (is_leaf(next->header.flags) &&
|
|
node_level(c->header.flags) != 1)
|
|
BUG();
|
|
if (node_level(next->header.flags) !=
|
|
node_level(c->header.flags) - 1)
|
|
BUG();
|
|
print_tree(root, next_buf);
|
|
tree_block_release(root, next_buf);
|
|
}
|
|
|
|
}
|
|
|