NAME
fcntl_setlease - sets a lease on an open file
SYNOPSIS
int fcntl_setlease (unsigned int fd, struct file *filp, long arg);
ARGUMENTS
fd open file descriptor
filp file pointer
arg type of lease to obtain
DESCRIPTION
Call this fcntl to establish a lease on the file. Note that you also
need to call F_SETSIG to receive a signal when the lease is broken.