Yes you are correct and I over-simplified, Linux::Fuser indeed does compare the device numbers of the file as well as the inode number: 

if (my @statinfo = stat $fd)
      {
         if (($dev == $statinfo[0]) && ($ino == $statinfo[1]) )
         {

[download]
You had me worried there for a second ;-)

/J\

In reply to Re^4: How to detect if file is in use? by gellyfish
in thread How to detect if file is in use? by blazar

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