io_uring: remove 'ev_flags' argument

We always pass in 0 for the cqe flags argument, since the support for
"this read hit page cache" hint was dropped.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 249a1e4..ac04076 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -489,7 +489,7 @@ static struct io_uring_cqe *io_get_cqring(struct io_ring_ctx *ctx)
 }
 
 static void io_cqring_fill_event(struct io_ring_ctx *ctx, u64 ki_user_data,
-                                long res, unsigned ev_flags)
+                                long res)
 {
        struct io_uring_cqe *cqe;
 
@@ -502,7 +502,7 @@ static void io_cqring_fill_event(struct io_ring_ctx *ctx, u64 ki_user_data,
        if (cqe) {
                WRITE_ONCE(cqe->user_data, ki_user_data);
                WRITE_ONCE(cqe->res, res);
-               WRITE_ONCE(cqe->flags, ev_flags);
+               WRITE_ONCE(cqe->flags, 0);
        } else {
                unsigned overflow = READ_ONCE(ctx->cq_ring->overflow);
 
@@ -521,12 +521,12 @@ static void io_cqring_ev_posted(struct io_ring_ctx *ctx)
 }
 
 static void io_cqring_add_event(struct io_ring_ctx *ctx, u64 user_data,
-                               long res, unsigned ev_flags)
+                               long res)
 {
        unsigned long flags;
 
        spin_lock_irqsave(&ctx->completion_lock, flags);
-       io_cqring_fill_event(ctx, user_data, res, ev_flags);
+       io_cqring_fill_event(ctx, user_data, res);
        io_commit_cqring(ctx);
        spin_unlock_irqrestore(&ctx->completion_lock, flags);
 
@@ -628,7 +628,7 @@ static void io_iopoll_complete(struct io_ring_ctx *ctx, unsigned int *nr_events,
                req = list_first_entry(done, struct io_kiocb, list);
                list_del(&req->list);
 
-               io_cqring_fill_event(ctx, req->user_data, req->error, 0);
+               io_cqring_fill_event(ctx, req->user_data, req->error);
                (*nr_events)++;
 
                if (refcount_dec_and_test(&req->refs)) {
@@ -776,7 +776,7 @@ static void io_complete_rw(struct kiocb *kiocb, long res, long res2)
 
        kiocb_end_write(kiocb);
 
-       io_cqring_add_event(req->ctx, req->user_data, res, 0);
+       io_cqring_add_event(req->ctx, req->user_data, res);
        io_put_req(req);
 }
 
@@ -1211,7 +1211,7 @@ static int io_nop(struct io_kiocb *req, u64 user_data)
        if (unlikely(ctx->flags & IORING_SETUP_IOPOLL))
                return -EINVAL;
 
-       io_cqring_add_event(ctx, user_data, err, 0);
+       io_cqring_add_event(ctx, user_data, err);
        io_put_req(req);
        return 0;
 }
@@ -1256,7 +1256,7 @@ static int io_fsync(struct io_kiocb *req, const struct io_uring_sqe *sqe,
                                end > 0 ? end : LLONG_MAX,
                                fsync_flags & IORING_FSYNC_DATASYNC);
 
-       io_cqring_add_event(req->ctx, sqe->user_data, ret, 0);
+       io_cqring_add_event(req->ctx, sqe->user_data, ret);
        io_put_req(req);
        return 0;
 }
@@ -1300,7 +1300,7 @@ static int io_sync_file_range(struct io_kiocb *req,
 
        ret = sync_file_range(req->rw.ki_filp, sqe_off, sqe_len, flags);
 
-       io_cqring_add_event(req->ctx, sqe->user_data, ret, 0);
+       io_cqring_add_event(req->ctx, sqe->user_data, ret);
        io_put_req(req);
        return 0;
 }
@@ -1358,7 +1358,7 @@ static int io_poll_remove(struct io_kiocb *req, const struct io_uring_sqe *sqe)
        }
        spin_unlock_irq(&ctx->completion_lock);
 
-       io_cqring_add_event(req->ctx, sqe->user_data, ret, 0);
+       io_cqring_add_event(req->ctx, sqe->user_data, ret);
        io_put_req(req);
        return 0;
 }
@@ -1367,7 +1367,7 @@ static void io_poll_complete(struct io_ring_ctx *ctx, struct io_kiocb *req,
                             __poll_t mask)
 {
        req->poll.done = true;
-       io_cqring_fill_event(ctx, req->user_data, mangle_poll(mask), 0);
+       io_cqring_fill_event(ctx, req->user_data, mangle_poll(mask));
        io_commit_cqring(ctx);
 }
 
@@ -1687,7 +1687,7 @@ restart:
                io_put_req(req);
 
                if (ret) {
-                       io_cqring_add_event(ctx, sqe->user_data, ret, 0);
+                       io_cqring_add_event(ctx, sqe->user_data, ret);
                        io_put_req(req);
                }
 
@@ -1992,7 +1992,7 @@ static int io_submit_sqes(struct io_ring_ctx *ctx, struct sqe_submit *sqes,
                        continue;
                }
 
-               io_cqring_add_event(ctx, sqes[i].sqe->user_data, ret, 0);
+               io_cqring_add_event(ctx, sqes[i].sqe->user_data, ret);
        }
 
        if (statep)
@@ -2157,7 +2157,7 @@ static int io_ring_submit(struct io_ring_ctx *ctx, unsigned int to_submit)
 
                ret = io_submit_sqe(ctx, &s, statep);
                if (ret)
-                       io_cqring_add_event(ctx, s.sqe->user_data, ret, 0);
+                       io_cqring_add_event(ctx, s.sqe->user_data, ret);
        }
        io_commit_sqring(ctx);