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Code Packages

btrfs-tree: connect methods to the debug stream interface

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In some cases functions already had existing debug stream support
which can be redirected to the new interface.  In other cases, new
debug messages are added.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell 2025-01-27 02:10:39 -05:00
parent a3c0ba0d69
commit 58ee297cde
1 changed files with 15 additions and 4 deletions
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19
lib/btrfs-tree.cc
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@ -5,6 +5,12 @@
#include "crucible/hexdump.h"
#include "crucible/seeker.h"
#define CRUCIBLE_BTRFS_TREE_DEBUG(x) do { \
if (BtrfsIoctlSearchKey::s_debug_ostream) { \
(*BtrfsIoctlSearchKey::s_debug_ostream) << x; \
} \
} while (false)
namespace crucible {
using namespace std;
@ -355,6 +361,7 @@ namespace crucible {
BtrfsTreeItem
BtrfsTreeFetcher::at(uint64_t logical)
{
CRUCIBLE_BTRFS_TREE_DEBUG("at " << logical);
BtrfsIoctlSearchKey &sk = m_sk;
fill_sk(sk, logical);
// Exact match, should return 0 or 1 items
@ -397,9 +404,10 @@ namespace crucible {
BtrfsTreeFetcher::rlower_bound(uint64_t logical)
{
#if 0
#define BTFRLB_DEBUG(x) do { cerr << x; } while (false)
static bool btfrlb_debug = getenv("BTFLRB_DEBUG");
#define BTFRLB_DEBUG(x) do { if (btfrlb_debug) cerr << x; } while (false)
#else
#define BTFRLB_DEBUG(x) do { } while (false)
#define BTFRLB_DEBUG(x) CRUCIBLE_BTRFS_TREE_DEBUG(x)
#endif
BtrfsTreeItem closest_item;
uint64_t closest_logical = 0;
@ -474,6 +482,7 @@ namespace crucible {
BtrfsTreeItem
BtrfsTreeFetcher::next(uint64_t logical)
{
CRUCIBLE_BTRFS_TREE_DEBUG("next " << logical);
const auto scaled_logical = scale_logical(logical);
if (scaled_logical + 1 > scaled_max_logical()) {
return BtrfsTreeItem();
@ -484,6 +493,7 @@ namespace crucible {
BtrfsTreeItem
BtrfsTreeFetcher::prev(uint64_t logical)
{
CRUCIBLE_BTRFS_TREE_DEBUG("prev " << logical);
const auto scaled_logical = scale_logical(logical);
if (scaled_logical < 1) {
return BtrfsTreeItem();
@ -568,9 +578,10 @@ namespace crucible {
BtrfsCsumTreeFetcher::get_sums(uint64_t const logical, size_t count, function<void(uint64_t logical, const uint8_t *buf, size_t bytes)> output)
{
#if 0
#define BCTFGS_DEBUG(x) do { cerr << x; } while (false)
static bool bctfgs_debug = getenv("BCTFGS_DEBUG");
#define BCTFGS_DEBUG(x) do { if (bctfgs_debug) cerr << x; } while (false)
#else
#define BCTFGS_DEBUG(x) do { } while (false)
#define BCTFGS_DEBUG(x) CRUCIBLE_BTRFS_TREE_DEBUG(x)
#endif
const uint64_t logical_end = logical + count * block_size();
BtrfsTreeItem bti = rlower_bound(logical);