staging/lustre/mdc: Keep resend FLocks
staging/lustre/mdc: Keep resend FLocks

FLocks requests (particulary F_UNLCKs) can't be trashed
upon comm problems with Server/MDS nor upon kill/exit,
thus we need to keep retry/send.

Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2665
Lustre-change: http://review.whamcloud.com/6415
Signed-off-by: Bruno Faccini <b4e3b6cb2e4299791b99f3efb3fc77efd819f514@intel.com>
Reviewed-by: Bobi Jam <5e451d3f5f035e14a83905a8d5b052763fc3f4cb@gmail.com>
Reviewed-by: Oleg Drokin <65b2ca07820e940f66d8901813c729ec10a548f5@intel.com>
Signed-off-by: Peng Tao <4fb2b5cc20694ed9d470f738b651303a1e636b2d@emc.com>
Signed-off-by: Andreas Dilger <fb9bfcd2d82414390637ce05921b7d9f9341a408@intel.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs