mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-12 13:36:45 +07:00
73 lines
1.8 KiB
C
73 lines
1.8 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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int nr = l->header.nritems;
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struct item *item;
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struct extent_item *ei;
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printf("leaf %Lu total ptrs %d free space %d\n", l->header.blocknr, nr,
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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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item->key.objectid, item->key.flags, item->key.offset,
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item->offset, item->size);
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fflush(stdout);
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printf("\t\titem data %.*s\n", item->size, l->data+item->offset);
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ei = (struct extent_item *)(l->data + item->offset);
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printf("\t\textent data %u %Lu\n", ei->refs, 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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int 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 = c->header.nritems;
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if (c->header.blocknr != t->blocknr)
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BUG();
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if (is_leaf(c->header.flags)) {
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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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node_level(c->header.flags), c->header.nritems,
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(u32)NODEPTRS_PER_BLOCK - c->header.nritems);
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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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c->blockptrs[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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c->blockptrs[i]);
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struct node *next = &next_buf->node;
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if (is_leaf(next->header.flags) &&
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node_level(c->header.flags) != 1)
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BUG();
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if (node_level(next->header.flags) !=
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node_level(c->header.flags) - 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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