REQ_F_FAIL
#define IO_DISARM_MASK (REQ_F_ARM_LTIMEOUT | REQ_F_LINK_TIMEOUT | REQ_F_FAIL)
if (unlikely(req->flags & REQ_F_FAIL)) {
if (head && !(head->flags & REQ_F_FAIL))
if (req->flags & (REQ_F_FORCE_ASYNC | REQ_F_FAIL))
REQ_F_FORCE_ASYNC | REQ_F_FAIL))) {
req->flags |= REQ_F_FAIL;
if (link->flags & REQ_F_FAIL)
if (unlikely((req->flags & REQ_F_FAIL) &&