NAME
__get_lease - revoke all outstanding leases on file
SYNOPSIS
int __get_lease (struct inode *inode, unsigned int mode);
ARGUMENTS
inode the inode of the file to return
mode the open mode (read or write)
DESCRIPTION
get_lease (inlined for speed) has checked there already is a lease on
this file. Leases are broken on a call to open or truncate. This
function can sleep unless you specified O_NONBLOCK to your open.