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[thin_repair] repair now checks the data reference counts.

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This commit is contained in:
Joe Thornber
2011-08-24 10:45:39 +01:00
parent 511456f903
commit 987a8360c9
11 changed files with 445 additions and 137 deletions
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27
space_map_disk.h
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@@ -1,6 +1,7 @@
#ifndef SPACE_MAP_DISK_H
#define SPACE_MAP_DISK_H
#include "btree_validator.h"
#include "space_map.h"
#include "transaction_manager.h"
#include "endian_utils.h"
@@ -124,6 +125,7 @@ namespace persistent_data {
sm_disk_base(typename transaction_manager<BlockSize>::ptr tm,
sm_root const &root)
: tm_(tm),
entries_per_block_((BlockSize - sizeof(bitmap_header)) * 4),
nr_blocks_(root.nr_blocks_),
nr_allocated_(root.nr_allocated_),
ref_counts_(tm_, root.ref_count_root_, ref_count_traits::ref_counter()) {
@@ -288,6 +290,16 @@ namespace persistent_data {
btree<1, ref_count_traits, BlockSize> ref_counts_;
};
template <uint32_t BlockSize>
class bitmap_tree_validator : public btree_validator<1, index_entry_traits, BlockSize> {
public:
typedef boost::shared_ptr<bitmap_tree_validator> ptr;
bitmap_tree_validator(block_counter &counter)
: btree_validator<1, index_entry_traits, BlockSize>(counter) {
}
};
template <uint32_t BlockSize>
class sm_disk : public sm_disk_base<BlockSize> {
public:
@@ -295,13 +307,13 @@ namespace persistent_data {
sm_disk(typename transaction_manager<BlockSize>::ptr tm)
: sm_disk_base<BlockSize>(tm),
bitmaps_(sm_disk_base<BlockSize>::get_tm(), typename sm_disk_detail::index_entry_traits::ref_counter()) {
bitmaps_(sm_disk_base<BlockSize>::get_tm(), typename index_entry_traits::ref_counter()) {
}
sm_disk(typename transaction_manager<BlockSize>::ptr tm,
sm_root const &root)
: sm_disk_base<BlockSize>(tm, root),
bitmaps_(sm_disk_base<BlockSize>::get_tm(), root.bitmap_root_, typename sm_disk_detail::index_entry_traits::ref_counter()) {
bitmaps_(sm_disk_base<BlockSize>::get_tm(), root.bitmap_root_, typename index_entry_traits::ref_counter()) {
}
size_t root_size() {
@@ -323,6 +335,11 @@ namespace persistent_data {
::memcpy(dest, &d, sizeof(d));
}
void check(block_counter &counter) {
typename bitmap_tree_validator<BlockSize>::ptr v(new bitmap_tree_validator<BlockSize>(counter));
bitmaps_.visit(v);
}
private:
index_entry find_ie(block_address b) const {
uint64_t key[1] = {b / sm_disk_base<BlockSize>::get_entries_per_block()};
@@ -343,7 +360,7 @@ namespace persistent_data {
}
template <uint32_t MetadataBlockSize>
persistent_space_map::ptr
typename sm_disk_detail::sm_disk<MetadataBlockSize>::ptr
create_disk_sm(typename transaction_manager<MetadataBlockSize>::ptr tm,
block_address nr_blocks)
{
@@ -355,7 +372,7 @@ namespace persistent_data {
}
template <uint32_t MetadataBlockSize>
persistent_space_map::ptr
typename sm_disk_detail::sm_disk<MetadataBlockSize>::ptr
open_disk_sm(typename transaction_manager<MetadataBlockSize>::ptr tm,
void *root)
{
@@ -366,7 +383,7 @@ namespace persistent_data {
::memcpy(&d, root, sizeof(d));
sm_root_traits::unpack(d, v);
return typename persistent_space_map::ptr(
return typename sm_disk<MetadataBlockSize>::ptr(
new sm_disk<MetadataBlockSize>(tm, v));
}
}