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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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130
libfuse/lib/debug.cpp
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@ -20,8 +20,14 @@
#define _GNU_SOURCE
#endif
#include "syslog.hpp"
#include "fuse_kernel.h"
#include "fmt/core.h"
#include <string>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
@ -201,11 +207,68 @@ fuse_flag_to_str(const uint64_t offset_)
FUSE_INIT_FLAG_CASE(CREATE_SUPP_GROUP);
FUSE_INIT_FLAG_CASE(HAS_EXPIRE_ONLY);
FUSE_INIT_FLAG_CASE(DIRECT_IO_ALLOW_MMAP);
FUSE_INIT_FLAG_CASE(PASSTHROUGH);
FUSE_INIT_FLAG_CASE(NO_EXPORT_SUPPORT);
FUSE_INIT_FLAG_CASE(HAS_RESEND);
FUSE_INIT_FLAG_CASE(ALLOW_IDMAP);
FUSE_INIT_FLAG_CASE(OVER_IO_URING);
}
return NULL;
}
std::string
fuse_debug_init_flag_name(const uint64_t flag_)
{
switch(flag_)
{
FUSE_INIT_FLAG_CASE(ASYNC_READ);
FUSE_INIT_FLAG_CASE(POSIX_LOCKS);
FUSE_INIT_FLAG_CASE(FILE_OPS);
FUSE_INIT_FLAG_CASE(ATOMIC_O_TRUNC);
FUSE_INIT_FLAG_CASE(EXPORT_SUPPORT);
FUSE_INIT_FLAG_CASE(BIG_WRITES);
FUSE_INIT_FLAG_CASE(DONT_MASK);
FUSE_INIT_FLAG_CASE(SPLICE_WRITE);
FUSE_INIT_FLAG_CASE(SPLICE_MOVE);
FUSE_INIT_FLAG_CASE(SPLICE_READ);
FUSE_INIT_FLAG_CASE(FLOCK_LOCKS);
FUSE_INIT_FLAG_CASE(HAS_IOCTL_DIR);
FUSE_INIT_FLAG_CASE(AUTO_INVAL_DATA);
FUSE_INIT_FLAG_CASE(DO_READDIRPLUS);
FUSE_INIT_FLAG_CASE(READDIRPLUS_AUTO);
FUSE_INIT_FLAG_CASE(ASYNC_DIO);
FUSE_INIT_FLAG_CASE(WRITEBACK_CACHE);
FUSE_INIT_FLAG_CASE(NO_OPEN_SUPPORT);
FUSE_INIT_FLAG_CASE(PARALLEL_DIROPS);
FUSE_INIT_FLAG_CASE(HANDLE_KILLPRIV);
FUSE_INIT_FLAG_CASE(POSIX_ACL);
FUSE_INIT_FLAG_CASE(ABORT_ERROR);
FUSE_INIT_FLAG_CASE(MAX_PAGES);
FUSE_INIT_FLAG_CASE(CACHE_SYMLINKS);
FUSE_INIT_FLAG_CASE(NO_OPENDIR_SUPPORT);
FUSE_INIT_FLAG_CASE(EXPLICIT_INVAL_DATA);
FUSE_INIT_FLAG_CASE(MAP_ALIGNMENT);
FUSE_INIT_FLAG_CASE(SUBMOUNTS);
FUSE_INIT_FLAG_CASE(HANDLE_KILLPRIV_V2);
FUSE_INIT_FLAG_CASE(SETXATTR_EXT);
FUSE_INIT_FLAG_CASE(INIT_EXT);
FUSE_INIT_FLAG_CASE(INIT_RESERVED);
FUSE_INIT_FLAG_CASE(SECURITY_CTX);
FUSE_INIT_FLAG_CASE(HAS_INODE_DAX);
FUSE_INIT_FLAG_CASE(CREATE_SUPP_GROUP);
FUSE_INIT_FLAG_CASE(HAS_EXPIRE_ONLY);
FUSE_INIT_FLAG_CASE(DIRECT_IO_ALLOW_MMAP);
FUSE_INIT_FLAG_CASE(PASSTHROUGH);
FUSE_INIT_FLAG_CASE(NO_EXPORT_SUPPORT);
FUSE_INIT_FLAG_CASE(HAS_RESEND);
FUSE_INIT_FLAG_CASE(ALLOW_IDMAP);
FUSE_INIT_FLAG_CASE(OVER_IO_URING);
}
return "unknown";
}
#undef FUSE_INIT_FLAG_CASE
static
@ -758,6 +821,69 @@ debug_fuse_init_in(const struct fuse_init_in *arg_)
fprintf(g_OUTPUT,")\n");
}
void
fuse_syslog_fuse_init_in(const struct fuse_init_in *arg_)
{
uint64_t flags;
std::string output;
flags = (((uint64_t)arg_->flags) | ((uint64_t)arg_->flags2) << 32);
output = fmt::format("fuse_init_in:"
" major={};"
" minor={};"
" flags=(",
arg_->major,
arg_->minor);
for(uint64_t i = 0; i < (sizeof(flags)*8); i++)
{
if(!(flags & (1ULL << i)))
continue;
output += fuse_debug_init_flag_name(1ULL << i);
output += ",";
}
output.pop_back();
output += ");";
SysLog::info(output);
}
void
fuse_syslog_fuse_init_out(const struct fuse_init_out *arg_)
{
uint64_t flags;
std::string output;
flags = (((uint64_t)arg_->flags) | ((uint64_t)arg_->flags2) << 32);
output = fmt::format("fuse_init_out:"
" major={};"
" minor={};"
" max_pages={};"
" flags=(",
arg_->major,
arg_->minor,
arg_->max_pages);
for(uint64_t i = 0; i < (sizeof(flags)*8); i++)
{
if(!(flags & (1ULL << i)))
continue;
output += fuse_debug_init_flag_name(1ULL << i);
output += ",";
}
output.pop_back();
output += ");";
SysLog::info(output);
}
void
debug_fuse_init_out(const uint64_t unique_,
const struct fuse_init_out *arg_,
@ -768,10 +894,6 @@ debug_fuse_init_out(const uint64_t unique_,
flags = (((uint64_t)arg->flags) | ((uint64_t)arg->flags2) << 32);
fprintf(g_OUTPUT,
/* "unique=0x%016" PRIx64 ";" */
/* " opcode=RESPONSE;" */
/* " error=0 (Success);" */
/* " len=%" PRIu64 "; || " */
"FUSE_INIT_OUT:"
" major=%u;"
" minor=%u;"