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Make global inode calculation function pointer atomic

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This commit is contained in:
Antonio SJ Musumeci
2026-03-02 01:09:16 -05:00
committed by trapexit
parent 1d1bcd3b87
commit a4aade6666
1 changed files with 18 additions and 16 deletions
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src/fs_inode.cpp
+18 -16
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@@ -23,6 +23,7 @@
#include <cstdint>
#include <atomic>
#include <pthread.h>
#include <sys/stat.h>
@@ -37,7 +38,7 @@ static uint64_t _hybrid_hash(const std::string &,
const ino_t);
static inodefunc_t g_func = ::_hybrid_hash;
static std::atomic<inodefunc_t> g_func{::_hybrid_hash};
static
@@ -150,19 +151,19 @@ int
fs::inode::set_algo(const std::string &algo_)
{
if(algo_ == "passthrough")
g_func = ::_passthrough;
g_func.store(::_passthrough);
ef(algo_ == "path-hash")
g_func = ::_path_hash;
g_func.store(::_path_hash);
ef(algo_ == "path-hash32")
g_func = ::_path_hash32;
g_func.store(::_path_hash32);
ef(algo_ == "devino-hash")
g_func = ::_devino_hash;
g_func.store(::_devino_hash);
ef(algo_ == "devino-hash32")
g_func = ::_devino_hash32;
g_func.store(::_devino_hash32);
ef(algo_ == "hybrid-hash")
g_func = ::_hybrid_hash;
g_func.store(::_hybrid_hash);
ef(algo_ == "hybrid-hash32")
g_func = ::_hybrid_hash32;
g_func.store(::_hybrid_hash32);
else
return -EINVAL;
@@ -172,19 +173,20 @@ fs::inode::set_algo(const std::string &algo_)
std::string
fs::inode::get_algo(void)
{
if(g_func == ::_passthrough)
inodefunc_t func = g_func.load();
if(func == ::_passthrough)
return "passthrough";
if(g_func == ::_path_hash)
if(func == ::_path_hash)
return "path-hash";
if(g_func == ::_path_hash32)
if(func == ::_path_hash32)
return "path-hash32";
if(g_func == ::_devino_hash)
if(func == ::_devino_hash)
return "devino-hash";
if(g_func == ::_devino_hash32)
if(func == ::_devino_hash32)
return "devino-hash32";
if(g_func == ::_hybrid_hash)
if(func == ::_hybrid_hash)
return "hybrid-hash";
if(g_func == ::_hybrid_hash32)
if(func == ::_hybrid_hash32)
return "hybrid-hash32";
return {};
@@ -196,7 +198,7 @@ fs::inode::calc(const std::string &branch_path_,
const mode_t mode_,
const ino_t ino_)
{
return g_func(branch_path_,fusepath_,mode_,ino_);
return g_func.load()(branch_path_,fusepath_,mode_,ino_);
}
void