chore: 初始化 Cloudreve 源码仓库

pkg/filemanager/driver/local/fallocate_linux.go

@@ -0,0 +1,14 @@
+package local
+
+import (
+	"os"
+	"syscall"
+)
+
+func Fallocate(file *os.File, offset int64, length int64) error {
+	if length == 0 {
+		return nil
+	}
+
+	return syscall.Fallocate(int(file.Fd()), 0, offset, length)
+}