REQ_F_REFCOUNT
#define IO_REQ_CLEAN_SLOW_FLAGS (REQ_F_REFCOUNT | IO_REQ_LINK_FLAGS | \
if (req->flags & REQ_F_REFCOUNT) {
if (!(req->flags & REQ_F_REFCOUNT))
req->flags &= ~REQ_F_REFCOUNT;
WARN_ON_ONCE(!(req->flags & REQ_F_REFCOUNT));
WARN_ON_ONCE(!(data_race(req->flags) & REQ_F_REFCOUNT));
if (likely(!(req->flags & REQ_F_REFCOUNT)))
WARN_ON_ONCE(!(req->flags & REQ_F_REFCOUNT));
WARN_ON_ONCE(!(req->flags & REQ_F_REFCOUNT));
if (!(req->flags & REQ_F_REFCOUNT)) {
req->flags |= REQ_F_REFCOUNT;
if (!(req->flags & (REQ_F_REISSUE | REQ_F_REFCOUNT))) {