fuse_create.cpp

src/fuse_create.cpp

@@ -31,106 +31,6 @@
 
 namespace l
 {
-  /*
-    The kernel expects being able to issue read requests when running
-    with writeback caching enabled so we must change O_WRONLY to
-    O_RDWR.
-
-    With writeback caching enabled the kernel handles O_APPEND. Could
-    be an issue if the underlying file changes out of band but that is
-    true of any caching.
-  */
-  static
-  void
-  tweak_flags_writeback_cache(int *flags_)
-  {
-    if((*flags_ & O_ACCMODE) == O_WRONLY)
-      *flags_ = ((*flags_ & ~O_ACCMODE) | O_RDWR);
-    if(*flags_ & O_APPEND)
-      *flags_ &= ~O_APPEND;
-  }
-
-  static
-  bool
-  rdonly(const int flags_)
-  {
-    return ((flags_ & O_ACCMODE) == O_RDONLY);
-  }
-
-  static
-  bool
-  calculate_flush(FlushOnClose const flushonclose_,
-                  int const          flags_)
-  {
-    switch(flushonclose_)
-      {
-      case FlushOnCloseEnum::NEVER:
-        return false;
-      case FlushOnCloseEnum::OPENED_FOR_WRITE:
-        return !l::rdonly(flags_);
-      case FlushOnCloseEnum::ALWAYS:
-        return true;
-      }
-
-    return true;
-  }
-
-  static
-  void
-  config_to_ffi_flags(Config::Read     &cfg_,
-                      const int         tid_,
-                      fuse_file_info_t *ffi_)
-  {
-    switch(cfg_->cache_files)
-      {
-      case CacheFiles::ENUM::LIBFUSE:
-        ffi_->direct_io  = cfg_->direct_io;
-        ffi_->keep_cache = cfg_->kernel_cache;
-        ffi_->auto_cache = cfg_->auto_cache;
-        break;
-      case CacheFiles::ENUM::OFF:
-        ffi_->direct_io  = 1;
-        ffi_->keep_cache = 0;
-        ffi_->auto_cache = 0;
-        break;
-      case CacheFiles::ENUM::PARTIAL:
-        ffi_->direct_io  = 0;
-        ffi_->keep_cache = 0;
-        ffi_->auto_cache = 0;
-        break;
-      case CacheFiles::ENUM::FULL:
-        ffi_->direct_io  = 0;
-        ffi_->keep_cache = 1;
-        ffi_->auto_cache = 0;
-        break;
-      case CacheFiles::ENUM::AUTO_FULL:
-        ffi_->direct_io  = 0;
-        ffi_->keep_cache = 0;
-        ffi_->auto_cache = 1;
-        break;
-      case CacheFiles::ENUM::PER_PROCESS:
-        std::string proc_name;
-
-        proc_name = procfs::get_name(tid_);
-        if(cfg_->cache_files_process_names.count(proc_name) == 0)
-          {
-            ffi_->direct_io  = 1;
-            ffi_->keep_cache = 0;
-            ffi_->auto_cache = 0;
-          }
-        else
-          {
-            ffi_->direct_io  = 0;
-            ffi_->keep_cache = 0;
-            ffi_->auto_cache = 0;
-          }
-        break;
-      }
-
-    if(cfg_->parallel_direct_writes == true)
-      ffi_->parallel_direct_writes = ffi_->direct_io;
-  }
-
   static
   int
   create_core(const std::string &fullpath_,