Lines Matching defs:req
12 #define req_ref_zero_or_close_to_overflow(req) \
13 ((unsigned int) atomic_read(&(req->refs)) + 127u <= 127u)
15 static inline bool req_ref_inc_not_zero(struct io_kiocb *req)
17 WARN_ON_ONCE(!(req->flags & REQ_F_REFCOUNT));
18 return atomic_inc_not_zero(&req->refs);
21 static inline bool req_ref_put_and_test_atomic(struct io_kiocb *req)
23 WARN_ON_ONCE(!(data_race(req->flags) & REQ_F_REFCOUNT));
24 WARN_ON_ONCE(req_ref_zero_or_close_to_overflow(req));
25 return atomic_dec_and_test(&req->refs);
28 static inline bool req_ref_put_and_test(struct io_kiocb *req)
30 if (likely(!(req->flags & REQ_F_REFCOUNT)))
33 WARN_ON_ONCE(req_ref_zero_or_close_to_overflow(req));
34 return atomic_dec_and_test(&req->refs);
37 static inline void req_ref_get(struct io_kiocb *req)
39 WARN_ON_ONCE(!(req->flags & REQ_F_REFCOUNT));
40 WARN_ON_ONCE(req_ref_zero_or_close_to_overflow(req));
41 atomic_inc(&req->refs);
44 static inline void req_ref_put(struct io_kiocb *req)
46 WARN_ON_ONCE(!(req->flags & REQ_F_REFCOUNT));
47 WARN_ON_ONCE(req_ref_zero_or_close_to_overflow(req));
48 atomic_dec(&req->refs);
51 static inline void __io_req_set_refcount(struct io_kiocb *req, int nr)
53 if (!(req->flags & REQ_F_REFCOUNT)) {
54 req->flags |= REQ_F_REFCOUNT;
55 atomic_set(&req->refs, nr);
59 static inline void io_req_set_refcount(struct io_kiocb *req)
61 __io_req_set_refcount(req, 1);