Initial commit

Proof-of-concept implementation. Bugs will occur.

vendor/github.com/hanwen/go-fuse/v2/internal/fallocate/fallocate.go

@@ -0,0 +1,9 @@
+package fallocate
+
+// Fallocate is a wrapper around fallocate syscall.
+// On Linux, it is a wrapper around fallocate(2).
+// On Darwin, it is a wrapper around fnctl(2).
+// On FreeBSD, it is a wrapper around posix_fallocate(2).
+func Fallocate(fd int, mode uint32, off int64, len int64) (err error) {
+	return fallocate(fd, mode, off, len)
+}