Mounting nul1fs with custom uid/gid

[fspv]

Imagine that we have user "user" with uid=500 in group "group" with gid 500.
One can mount nul1fs to some place with uid and gid options. There is no problems here.

[root@host nullfs]# ./nul1fs -o uid=500,gid=500 /tmp/nul1fs
[root@host nullfs]# ls -lad /tmp/nul1fs
drwxrwxrwx 2 user group 0 Мар  6 16:43 /tmp/nul1fs

But later when we want to read or write something to this directory we will get "Permission denied"

[root@host nullfs]# su - user
[user@host ~]$ touch /tmp/nul1fs/sdf
touch: cannot touch `/tmp/nul1fs/sdf': Permission denied
[user@host ~]$ ls /tmp/nul1fs
ls: /tmp/nul1fs: Permission denied

But from "root" account we still can read and write as usual. And it returns us file with user:group ownerships.

[user@host nullfs]# ls -la /tmp/nul1fs/sdfdsf
-rw-rw-rw- 1 user group 0 Мар  6 17:04 /tmp/nul1fs/sdfdsf

[fspv]

I have missed the mount option allow_other. With this option everything is working like a charm.