History

io_uring: get rid of __io_fill_cqe{32}_req()

There are too many cqe filling helpers, kill __io_fill_cqe{32}_req(), use __io_fill_cqe{32}_req_filled() instead, and then rename it. It'll simplify fixing in following patches.

Pavel Begunkov committed 4 years ago

Commit 91ef75a1 parent d884b641 file · +21 −49Browse files

Unified · Split

fs/io_uring.c+21−49
@@ -2464,8 +2464,8 @@ static inline bool __io_fill_cqe(struct io_ring_ctx *ctx, u64 user_data, · 2463 unmodified lines
2464 return io_cqring_event_overflow(ctx, user_data, res, cflags, 0, 0);2464 return io_cqring_event_overflow(ctx, user_data, res, cflags, 0, 0);
2465}2465}
2466 2466
2467static inline bool __io_fill_cqe_req_filled(struct io_ring_ctx *ctx,2467static inline bool __io_fill_cqe_req(struct io_ring_ctx *ctx,
2468 struct io_kiocb *req)2468 struct io_kiocb *req)
2469{2469{
2470 struct io_uring_cqe *cqe;2470 struct io_uring_cqe *cqe;
2471 2471
@@ -2486,8 +2486,8 @@ static inline bool __io_fill_cqe_req_filled(struct io_ring_ctx *ctx, · 14 unmodified lines
2486 req->cqe.res, req->cqe.flags, 0, 0);2486 req->cqe.res, req->cqe.flags, 0, 0);
2487}2487}
2488 2488
2489static inline bool __io_fill_cqe32_req_filled(struct io_ring_ctx *ctx,2489static inline bool __io_fill_cqe32_req(struct io_ring_ctx *ctx,
2490 struct io_kiocb *req)2490 struct io_kiocb *req)
2491{2491{
2492 struct io_uring_cqe *cqe;2492 struct io_uring_cqe *cqe;
2493 u64 extra1 = req->extra1;2493 u64 extra1 = req->extra1;
@@ -2513,44 +2513,6 @@ static inline bool __io_fill_cqe32_req_filled(struct io_ring_ctx *ctx, · 19 unmodified lines
2513 req->cqe.flags, extra1, extra2);2513 req->cqe.flags, extra1, extra2);
2514}2514}
2515 2515
2516static inline bool __io_fill_cqe_req(struct io_kiocb *req, s32 res, u32 cflags)
2517{
2518 trace_io_uring_complete(req->ctx, req, req->cqe.user_data, res, cflags, 0, 0);
2519 return __io_fill_cqe(req->ctx, req->cqe.user_data, res, cflags);
2520}
2521
2522static inline void __io_fill_cqe32_req(struct io_kiocb *req, s32 res, u32 cflags,
2523 u64 extra1, u64 extra2)
2524{
2525 struct io_ring_ctx *ctx = req->ctx;
2526 struct io_uring_cqe *cqe;
2527
2528 if (WARN_ON_ONCE(!(ctx->flags & IORING_SETUP_CQE32)))
2529 return;
2530 if (req->flags & REQ_F_CQE_SKIP)
2531 return;
2532
2533 trace_io_uring_complete(ctx, req, req->cqe.user_data, res, cflags,
2534 extra1, extra2);
2535
2536 /*
2537 * If we can't get a cq entry, userspace overflowed the
2538 * submission (by quite a lot). Increment the overflow count in
2539 * the ring.
2540 */
2541 cqe = io_get_cqe(ctx);
2542 if (likely(cqe)) {
2543 WRITE_ONCE(cqe->user_data, req->cqe.user_data);
2544 WRITE_ONCE(cqe->res, res);
2545 WRITE_ONCE(cqe->flags, cflags);
2546 WRITE_ONCE(cqe->big_cqe[0], extra1);
2547 WRITE_ONCE(cqe->big_cqe[1], extra2);
2548 return;
2549 }
2550
2551 io_cqring_event_overflow(ctx, req->cqe.user_data, res, cflags, extra1, extra2);
2552}
2553
2554static noinline bool io_fill_cqe_aux(struct io_ring_ctx *ctx, u64 user_data,2516static noinline bool io_fill_cqe_aux(struct io_ring_ctx *ctx, u64 user_data,
2555 s32 res, u32 cflags)2517 s32 res, u32 cflags)
2556{2518{
@@ -2593,16 +2555,24 @@ static void __io_req_complete_put(struct io_kiocb *req) · 36 unmodified lines
2593static void __io_req_complete_post(struct io_kiocb *req, s32 res,2555static void __io_req_complete_post(struct io_kiocb *req, s32 res,
2594 u32 cflags)2556 u32 cflags)
2595{2557{
2596 if (!(req->flags & REQ_F_CQE_SKIP))2558 if (!(req->flags & REQ_F_CQE_SKIP)) {
2597 __io_fill_cqe_req(req, res, cflags);2559 req->cqe.res = res;
2560 req->cqe.flags = cflags;
2561 __io_fill_cqe_req(req->ctx, req);
2562 }
2598 __io_req_complete_put(req);2563 __io_req_complete_put(req);
2599}2564}
2600 2565
2601static void __io_req_complete_post32(struct io_kiocb *req, s32 res,2566static void __io_req_complete_post32(struct io_kiocb *req, s32 res,
2602 u32 cflags, u64 extra1, u64 extra2)2567 u32 cflags, u64 extra1, u64 extra2)
2603{2568{
2604 if (!(req->flags & REQ_F_CQE_SKIP))2569 if (!(req->flags & REQ_F_CQE_SKIP)) {
2605 __io_fill_cqe32_req(req, res, cflags, extra1, extra2);2570 req->cqe.res = res;
2571 req->cqe.flags = cflags;
2572 req->extra1 = extra1;
2573 req->extra2 = extra2;
2574 __io_fill_cqe32_req(req->ctx, req);
2575 }
2606 __io_req_complete_put(req);2576 __io_req_complete_put(req);
2607}2577}
2608 2578
@@ -3207,9 +3177,9 @@ static void __io_submit_flush_completions(struct io_ring_ctx *ctx) · 598 unmodified lines
3207 3177
3208 if (!(req->flags & REQ_F_CQE_SKIP)) {3178 if (!(req->flags & REQ_F_CQE_SKIP)) {
3209 if (!(ctx->flags & IORING_SETUP_CQE32))3179 if (!(ctx->flags & IORING_SETUP_CQE32))
3210 __io_fill_cqe_req_filled(ctx, req);3180 __io_fill_cqe_req(ctx, req);
3211 else3181 else
3212 __io_fill_cqe32_req_filled(ctx, req);3182 __io_fill_cqe32_req(ctx, req);
3213 }3183 }
3214 }3184 }
3215 3185
@@ -3329,7 +3299,9 @@ static int io_do_iopoll(struct io_ring_ctx *ctx, bool force_nonspin) · 113 unmodified lines
3329 nr_events++;3299 nr_events++;
3330 if (unlikely(req->flags & REQ_F_CQE_SKIP))3300 if (unlikely(req->flags & REQ_F_CQE_SKIP))
3331 continue;3301 continue;
3332 __io_fill_cqe_req(req, req->cqe.res, io_put_kbuf(req, 0));3302
3303 req->cqe.flags = io_put_kbuf(req, 0);
3304 __io_fill_cqe_req(req->ctx, req);
3333 }3305 }
3334 3306
3335 if (unlikely(!nr_events))3307 if (unlikely(!nr_events))