Lines Matching defs:req
11 #define req_ref_zero_or_close_to_overflow(req) \
12 ((unsigned int) atomic_read(&(req->refs)) + 127u <= 127u)
14 static inline bool req_ref_inc_not_zero(struct io_kiocb *req)
16 WARN_ON_ONCE(!(req->flags & REQ_F_REFCOUNT));
17 return atomic_inc_not_zero(&req->refs);
20 static inline bool req_ref_put_and_test(struct io_kiocb *req)
22 if (likely(!(req->flags & REQ_F_REFCOUNT)))
25 WARN_ON_ONCE(req_ref_zero_or_close_to_overflow(req));
26 return atomic_dec_and_test(&req->refs);
29 static inline void req_ref_get(struct io_kiocb *req)
31 WARN_ON_ONCE(!(req->flags & REQ_F_REFCOUNT));
32 WARN_ON_ONCE(req_ref_zero_or_close_to_overflow(req));
33 atomic_inc(&req->refs);
36 static inline void __io_req_set_refcount(struct io_kiocb *req, int nr)
38 if (!(req->flags & REQ_F_REFCOUNT)) {
39 req->flags |= REQ_F_REFCOUNT;
40 atomic_set(&req->refs, nr);
44 static inline void io_req_set_refcount(struct io_kiocb *req)
46 __io_req_set_refcount(req, 1);