| # replace a file on same ino, old has 2 link, new has 1 links | |
| mkdir $2 /2 | |
| mkdir $1 /2/$a.1 | |
| mkdir $4 /2/$a.2 | |
| mkfile $3 /2/$a.1/$b.1 | |
| link /2/$a.1/$b.1 /2/$a.2/$b.1 | |
| snapshot | |
| unlink /2/$a.1/$b.1 | |
| unlink /2/$a.2/$b.1 | |
| remount | |
| mknod $3 /2/$a.1/$b.2 c 100 101 | |
| snapshot |