Ensure gpfs kernel leases are wrapped in a become_root()/unbecome_root() pair.
Ensures correct lease owner for signal delivery.
Signed-off-by: Ralph Wuerthner <ralphw@de.ibm.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Simo Sorce <idra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Aug 1 03:57:11 CEST 2013 on sn-devel-104
The last 2 patches address bug #10064 - Linux kernel oplock breaks can miss
signals.
Autobuild-User(v4-0-test): Karolin Seeger <kseeger@samba.org>
Autobuild-Date(v4-0-test): Wed Aug 7 13:15:02 CEST 2013 on sn-devel-104