Revert "fuse: remove duplicate orig_ino"

This reverts commit 1ad4143bfeb16e9e13f13a2b6398c63ddd669d1e.
Revert "fuse: fix stat call on 32 bit platforms"

This reverts commit 5c7f9e00d60454f5962b97749d1fef05fea5f9b4.