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Add support for FUSE passthrough
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trapexit 2025-06-05 23:47:42 -05:00 • committed by GitHub
parent 92312c8507
commit e310d24615
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412 changed files with 43707 additions and 17432 deletions
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27
src/fuse_init.cpp
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@ -16,6 +16,8 @@
#include "config.hpp"
#include "fs_readahead.hpp"
#include "procfs.hpp"
#include "state.hpp"
#include "syslog.hpp"
#include "ugid.hpp"
@ -24,8 +26,9 @@
#include "fuse.h"
#include <thread>
#include <algorithm>
#include <fstream>
#include <thread>
namespace l
@ -189,6 +192,7 @@ namespace FUSE
{
Config::Write cfg;
procfs::init();
ugid::init();
cfg->readdir.initialize();
@ -201,8 +205,11 @@ namespace FUSE
l::want_if_capable(conn_,FUSE_CAP_DIRECT_IO_ALLOW_MMAP,&cfg->direct_io_allow_mmap);
l::want_if_capable(conn_,FUSE_CAP_DONT_MASK);
l::want_if_capable(conn_,FUSE_CAP_EXPORT_SUPPORT,&cfg->export_support);
l::want_if_capable(conn_,FUSE_CAP_HANDLE_KILLPRIV,&cfg->handle_killpriv);
l::want_if_capable(conn_,FUSE_CAP_HANDLE_KILLPRIV_V2,&cfg->handle_killpriv_v2);
l::want_if_capable(conn_,FUSE_CAP_IOCTL_DIR);
l::want_if_capable(conn_,FUSE_CAP_PARALLEL_DIROPS);
l::want_if_capable(conn_,FUSE_CAP_PASSTHROUGH);
l::want_if_capable(conn_,FUSE_CAP_POSIX_ACL,&cfg->posix_acl);
l::want_if_capable(conn_,FUSE_CAP_READDIR_PLUS,&cfg->readdirplus);
l::want_if_capable(conn_,FUSE_CAP_WRITEBACK_CACHE,&cfg->writeback_cache);
@ -213,6 +220,24 @@ namespace FUSE
l::spawn_thread_to_set_readahead();
if(!(conn_->capable & FUSE_CAP_PASSTHROUGH) && (cfg->passthrough != Passthrough::ENUM::OFF))
{
SysLog::warning("passthrough enabled but not supported by kernel. disabling.");
cfg->passthrough = Passthrough::ENUM::OFF;
}
if((cfg->passthrough != Passthrough::ENUM::OFF) &&
(cfg->cache_files == CacheFiles::ENUM::OFF))
{
SysLog::warning("passthrough enabled and cache.files disabled: passthrough will not function");
}
if((cfg->passthrough != Passthrough::ENUM::OFF) &&
(cfg->writeback_cache == true))
{
SysLog::warning("passthrough and cache.writeback are incompatible. ");
}
return NULL;
}
}