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Btrfs: Break up ctree.c a little

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Extent fixes

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-02-24 06:24:44 -05:00
committed by David Woodhouse
parent 9a8dd1502d
commit 5de08d7d50
6 changed files with 176 additions and 374 deletions
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72
fs/btrfs/print-tree.c Normal file
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@@ -0,0 +1,72 @@
#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);
}
}