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Remove @nxt from them, it's intrusive but straightforward. Signed-off-by: Pavel Begunkov --- fs/io_uring.c | 250 ++++++++++++++++++-------------------------------- 1 file changed, 87 insertions(+), 163 deletions(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index f5fbde552be7..c92bd6d8d630 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1795,17 +1795,6 @@ static void io_complete_rw(struct kiocb *kiocb, long res, long res2) io_put_req(req); } -static struct io_kiocb *__io_complete_rw(struct kiocb *kiocb, long res) -{ - struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb); - struct io_kiocb *nxt = NULL; - - io_complete_rw_common(kiocb, res); - io_put_req_find_next(req, &nxt); - - return nxt; -} - static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2) { struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb); @@ -2000,14 +1989,14 @@ static inline void io_rw_done(struct kiocb *kiocb, ssize_t ret) } } -static void kiocb_done(struct kiocb *kiocb, ssize_t ret, struct io_kiocb **nxt) +static void kiocb_done(struct kiocb *kiocb, ssize_t ret) { struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb); if (req->flags & REQ_F_CUR_POS) req->file->f_pos = kiocb->ki_pos; if (ret >= 0 && kiocb->ki_complete == io_complete_rw) - *nxt = __io_complete_rw(kiocb, ret); + io_complete_rw(kiocb, ret, 0); else io_rw_done(kiocb, ret); } @@ -2256,8 +2245,7 @@ static int io_read_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe, return 0; } -static int io_read(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_read(struct io_kiocb *req, bool force_nonblock) { struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs; struct kiocb *kiocb = &req->rw.kiocb; @@ -2297,7 +2285,7 @@ static int io_read(struct io_kiocb *req, struct io_kiocb **nxt, /* Catch -EAGAIN return for forced non-blocking submission */ if (!force_nonblock || ret2 != -EAGAIN) { - kiocb_done(kiocb, ret2, nxt); + kiocb_done(kiocb, ret2); } else { copy_iov: ret = io_setup_async_rw(req, io_size, iovec, @@ -2346,8 +2334,7 @@ static int io_write_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe, return 0; } -static int io_write(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_write(struct io_kiocb *req, bool force_nonblock) { struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs; struct kiocb *kiocb = &req->rw.kiocb; @@ -2411,7 +2398,7 @@ static int io_write(struct io_kiocb *req, struct io_kiocb **nxt, if (ret2 == -EOPNOTSUPP && (kiocb->ki_flags & IOCB_NOWAIT)) ret2 = -EAGAIN; if (!force_nonblock || ret2 != -EAGAIN) { - kiocb_done(kiocb, ret2, nxt); + kiocb_done(kiocb, ret2); } else { copy_iov: ret = io_setup_async_rw(req, io_size, iovec, @@ -2468,8 +2455,7 @@ static bool io_splice_punt(struct file *file) return !(file->f_mode & O_NONBLOCK); } -static int io_splice(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_splice(struct io_kiocb *req, bool force_nonblock) { struct io_splice *sp = &req->splice; struct file *in = sp->file_in; @@ -2496,7 +2482,7 @@ static int io_splice(struct io_kiocb *req, struct io_kiocb **nxt, io_cqring_add_event(req, ret); if (ret != sp->len) req_set_fail_links(req); - io_put_req_find_next(req, nxt); + io_put_req(req); return 0; } @@ -2548,28 +2534,7 @@ static bool io_req_cancelled(struct io_kiocb *req) return false; } -static void io_link_work_cb(struct io_wq_work **workptr) -{ - struct io_wq_work *work = *workptr; - struct io_kiocb *link = work->data; - - io_queue_linked_timeout(link); - io_wq_submit_work(workptr); -} - -static void io_wq_assign_next(struct io_wq_work **workptr, struct io_kiocb *nxt) -{ - struct io_kiocb *link; - - io_prep_next_work(nxt, &link); - *workptr = &nxt->work; - if (link) { - nxt->work.func = io_link_work_cb; - nxt->work.data = link; - } -} - -static void __io_fsync(struct io_kiocb *req, struct io_kiocb **nxt) +static void __io_fsync(struct io_kiocb *req) { loff_t end = req->sync.off + req->sync.len; int ret; @@ -2580,23 +2545,19 @@ static void __io_fsync(struct io_kiocb *req, struct io_kiocb **nxt) if (ret < 0) req_set_fail_links(req); io_cqring_add_event(req, ret); - io_put_req_find_next(req, nxt); + io_put_req(req); } static void io_fsync_finish(struct io_wq_work **workptr) { struct io_kiocb *req = container_of(*workptr, struct io_kiocb, work); - struct io_kiocb *nxt = NULL; if (io_req_cancelled(req)) return; - __io_fsync(req, &nxt); - if (nxt) - io_wq_assign_next(workptr, nxt); + __io_fsync(req); } -static int io_fsync(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_fsync(struct io_kiocb *req, bool force_nonblock) { /* fsync always requires a blocking context */ if (force_nonblock) { @@ -2604,11 +2565,11 @@ static int io_fsync(struct io_kiocb *req, struct io_kiocb **nxt, req->work.func = io_fsync_finish; return -EAGAIN; } - __io_fsync(req, nxt); + __io_fsync(req); return 0; } -static void __io_fallocate(struct io_kiocb *req, struct io_kiocb **nxt) +static void __io_fallocate(struct io_kiocb *req) { int ret; @@ -2620,17 +2581,14 @@ static void __io_fallocate(struct io_kiocb *req, struct io_kiocb **nxt) if (ret < 0) req_set_fail_links(req); io_cqring_add_event(req, ret); - io_put_req_find_next(req, nxt); + io_put_req(req); } static void io_fallocate_finish(struct io_wq_work **workptr) { struct io_kiocb *req = container_of(*workptr, struct io_kiocb, work); - struct io_kiocb *nxt = NULL; - __io_fallocate(req, &nxt); - if (nxt) - io_wq_assign_next(workptr, nxt); + __io_fallocate(req); } static int io_fallocate_prep(struct io_kiocb *req, @@ -2645,8 +2603,7 @@ static int io_fallocate_prep(struct io_kiocb *req, return 0; } -static int io_fallocate(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_fallocate(struct io_kiocb *req, bool force_nonblock) { /* fallocate always requiring blocking context */ if (force_nonblock) { @@ -2655,7 +2612,7 @@ static int io_fallocate(struct io_kiocb *req, struct io_kiocb **nxt, return -EAGAIN; } - __io_fallocate(req, nxt); + __io_fallocate(req); return 0; } @@ -2728,8 +2685,7 @@ static int io_openat2_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) return 0; } -static int io_openat2(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_openat2(struct io_kiocb *req, bool force_nonblock) { struct open_flags op; struct file *file; @@ -2760,15 +2716,14 @@ static int io_openat2(struct io_kiocb *req, struct io_kiocb **nxt, if (ret < 0) req_set_fail_links(req); io_cqring_add_event(req, ret); - io_put_req_find_next(req, nxt); + io_put_req(req); return 0; } -static int io_openat(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_openat(struct io_kiocb *req, bool force_nonblock) { req->open.how = build_open_how(req->open.how.flags, req->open.how.mode); - return io_openat2(req, nxt, force_nonblock); + return io_openat2(req, force_nonblock); } static int io_epoll_ctl_prep(struct io_kiocb *req, @@ -2796,8 +2751,7 @@ static int io_epoll_ctl_prep(struct io_kiocb *req, #endif } -static int io_epoll_ctl(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_epoll_ctl(struct io_kiocb *req, bool force_nonblock) { #if defined(CONFIG_EPOLL) struct io_epoll *ie = &req->epoll; @@ -2810,7 +2764,7 @@ static int io_epoll_ctl(struct io_kiocb *req, struct io_kiocb **nxt, if (ret < 0) req_set_fail_links(req); io_cqring_add_event(req, ret); - io_put_req_find_next(req, nxt); + io_put_req(req); return 0; #else return -EOPNOTSUPP; @@ -2832,8 +2786,7 @@ static int io_madvise_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) #endif } -static int io_madvise(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_madvise(struct io_kiocb *req, bool force_nonblock) { #if defined(CONFIG_ADVISE_SYSCALLS) && defined(CONFIG_MMU) struct io_madvise *ma = &req->madvise; @@ -2846,7 +2799,7 @@ static int io_madvise(struct io_kiocb *req, struct io_kiocb **nxt, if (ret < 0) req_set_fail_links(req); io_cqring_add_event(req, ret); - io_put_req_find_next(req, nxt); + io_put_req(req); return 0; #else return -EOPNOTSUPP; @@ -2864,8 +2817,7 @@ static int io_fadvise_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) return 0; } -static int io_fadvise(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_fadvise(struct io_kiocb *req, bool force_nonblock) { struct io_fadvise *fa = &req->fadvise; int ret; @@ -2885,7 +2837,7 @@ static int io_fadvise(struct io_kiocb *req, struct io_kiocb **nxt, if (ret < 0) req_set_fail_links(req); io_cqring_add_event(req, ret); - io_put_req_find_next(req, nxt); + io_put_req(req); return 0; } @@ -2922,8 +2874,7 @@ static int io_statx_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) return 0; } -static int io_statx(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_statx(struct io_kiocb *req, bool force_nonblock) { struct io_open *ctx = &req->open; unsigned lookup_flags; @@ -2960,7 +2911,7 @@ static int io_statx(struct io_kiocb *req, struct io_kiocb **nxt, if (ret < 0) req_set_fail_links(req); io_cqring_add_event(req, ret); - io_put_req_find_next(req, nxt); + io_put_req(req); return 0; } @@ -2987,7 +2938,7 @@ static int io_close_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) } /* only called when __close_fd_get_file() is done */ -static void __io_close_finish(struct io_kiocb *req, struct io_kiocb **nxt) +static void __io_close_finish(struct io_kiocb *req) { int ret; @@ -2996,22 +2947,18 @@ static void __io_close_finish(struct io_kiocb *req, struct io_kiocb **nxt) req_set_fail_links(req); io_cqring_add_event(req, ret); fput(req->close.put_file); - io_put_req_find_next(req, nxt); + io_put_req(req); } static void io_close_finish(struct io_wq_work **workptr) { struct io_kiocb *req = container_of(*workptr, struct io_kiocb, work); - struct io_kiocb *nxt = NULL; /* not cancellable, don't do io_req_cancelled() */ - __io_close_finish(req, &nxt); - if (nxt) - io_wq_assign_next(workptr, nxt); + __io_close_finish(req); } -static int io_close(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_close(struct io_kiocb *req, bool force_nonblock) { int ret; @@ -3028,7 +2975,7 @@ static int io_close(struct io_kiocb *req, struct io_kiocb **nxt, * No ->flush(), safely close from here and just punt the * fput() to async context. */ - __io_close_finish(req, nxt); + __io_close_finish(req); return 0; eagain: req->work.func = io_close_finish; @@ -3059,7 +3006,7 @@ static int io_prep_sfr(struct io_kiocb *req, const struct io_uring_sqe *sqe) return 0; } -static void __io_sync_file_range(struct io_kiocb *req, struct io_kiocb **nxt) +static void __io_sync_file_range(struct io_kiocb *req) { int ret; @@ -3068,24 +3015,20 @@ static void __io_sync_file_range(struct io_kiocb *req, struct io_kiocb **nxt) if (ret < 0) req_set_fail_links(req); io_cqring_add_event(req, ret); - io_put_req_find_next(req, nxt); + io_put_req(req); } static void io_sync_file_range_finish(struct io_wq_work **workptr) { struct io_kiocb *req = container_of(*workptr, struct io_kiocb, work); - struct io_kiocb *nxt = NULL; if (io_req_cancelled(req)) return; - __io_sync_file_range(req, &nxt); - if (nxt) - io_wq_assign_next(workptr, nxt); + __io_sync_file_range(req); } -static int io_sync_file_range(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_sync_file_range(struct io_kiocb *req, bool force_nonblock) { /* sync_file_range always requires a blocking context */ if (force_nonblock) { @@ -3094,7 +3037,7 @@ static int io_sync_file_range(struct io_kiocb *req, struct io_kiocb **nxt, return -EAGAIN; } - __io_sync_file_range(req, nxt); + __io_sync_file_range(req); return 0; } @@ -3141,8 +3084,7 @@ static int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) #endif } -static int io_sendmsg(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_sendmsg(struct io_kiocb *req, bool force_nonblock) { #if defined(CONFIG_NET) struct io_async_msghdr *kmsg = NULL; @@ -3196,15 +3138,14 @@ static int io_sendmsg(struct io_kiocb *req, struct io_kiocb **nxt, io_cqring_add_event(req, ret); if (ret < 0) req_set_fail_links(req); - io_put_req_find_next(req, nxt); + io_put_req(req); return 0; #else return -EOPNOTSUPP; #endif } -static int io_send(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_send(struct io_kiocb *req, bool force_nonblock) { #if defined(CONFIG_NET) struct socket *sock; @@ -3247,7 +3188,7 @@ static int io_send(struct io_kiocb *req, struct io_kiocb **nxt, io_cqring_add_event(req, ret); if (ret < 0) req_set_fail_links(req); - io_put_req_find_next(req, nxt); + io_put_req(req); return 0; #else return -EOPNOTSUPP; @@ -3283,8 +3224,7 @@ static int io_recvmsg_prep(struct io_kiocb *req, #endif } -static int io_recvmsg(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_recvmsg(struct io_kiocb *req, bool force_nonblock) { #if defined(CONFIG_NET) struct io_async_msghdr *kmsg = NULL; @@ -3340,15 +3280,14 @@ static int io_recvmsg(struct io_kiocb *req, struct io_kiocb **nxt, io_cqring_add_event(req, ret); if (ret < 0) req_set_fail_links(req); - io_put_req_find_next(req, nxt); + io_put_req(req); return 0; #else return -EOPNOTSUPP; #endif } -static int io_recv(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_recv(struct io_kiocb *req, bool force_nonblock) { #if defined(CONFIG_NET) struct socket *sock; @@ -3392,7 +3331,7 @@ static int io_recv(struct io_kiocb *req, struct io_kiocb **nxt, io_cqring_add_event(req, ret); if (ret < 0) req_set_fail_links(req); - io_put_req_find_next(req, nxt); + io_put_req(req); return 0; #else return -EOPNOTSUPP; @@ -3420,8 +3359,7 @@ static int io_accept_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) } #if defined(CONFIG_NET) -static int __io_accept(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int __io_accept(struct io_kiocb *req, bool force_nonblock) { struct io_accept *accept = &req->accept; unsigned file_flags; @@ -3437,32 +3375,28 @@ static int __io_accept(struct io_kiocb *req, struct io_kiocb **nxt, if (ret < 0) req_set_fail_links(req); io_cqring_add_event(req, ret); - io_put_req_find_next(req, nxt); + io_put_req(req); return 0; } static void io_accept_finish(struct io_wq_work **workptr) { struct io_kiocb *req = container_of(*workptr, struct io_kiocb, work); - struct io_kiocb *nxt = NULL; io_put_req(req); if (io_req_cancelled(req)) return; - __io_accept(req, &nxt, false); - if (nxt) - io_wq_assign_next(workptr, nxt); + __io_accept(req, false); } #endif -static int io_accept(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_accept(struct io_kiocb *req, bool force_nonblock) { #if defined(CONFIG_NET) int ret; - ret = __io_accept(req, nxt, force_nonblock); + ret = __io_accept(req, force_nonblock); if (ret == -EAGAIN && force_nonblock) { req->work.func = io_accept_finish; return -EAGAIN; @@ -3497,8 +3431,7 @@ static int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) #endif } -static int io_connect(struct io_kiocb *req, struct io_kiocb **nxt, - bool force_nonblock) +static int io_connect(struct io_kiocb *req, bool force_nonblock) { #if defined(CONFIG_NET) struct io_async_ctx __io, *io; @@ -3536,7 +3469,7 @@ static int io_connect(struct io_kiocb *req, struct io_kiocb **nxt, if (ret < 0) req_set_fail_links(req); io_cqring_add_event(req, ret); - io_put_req_find_next(req, nxt); + io_put_req(req); return 0; #else return -EOPNOTSUPP; @@ -3641,7 +3574,6 @@ static void io_poll_complete_work(struct io_wq_work **workptr) struct io_poll_iocb *poll = &req->poll; struct poll_table_struct pt = { ._key = poll->events }; struct io_ring_ctx *ctx = req->ctx; - struct io_kiocb *nxt = NULL; __poll_t mask = 0; int ret = 0; @@ -3676,9 +3608,7 @@ static void io_poll_complete_work(struct io_wq_work **workptr) if (ret < 0) req_set_fail_links(req); - io_put_req_find_next(req, &nxt); - if (nxt) - io_wq_assign_next(workptr, nxt); + io_put_req(req); } static void __io_poll_flush(struct io_ring_ctx *ctx, struct llist_node *nodes) @@ -3826,7 +3756,7 @@ static int io_poll_add_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe return 0; } -static int io_poll_add(struct io_kiocb *req, struct io_kiocb **nxt) +static int io_poll_add(struct io_kiocb *req) { struct io_poll_iocb *poll = &req->poll; struct io_ring_ctx *ctx = req->ctx; @@ -3880,7 +3810,7 @@ static int io_poll_add(struct io_kiocb *req, struct io_kiocb **nxt) if (mask) { io_cqring_ev_posted(ctx); - io_put_req_find_next(req, nxt); + io_put_req(req); } return ipt.error; } @@ -4129,7 +4059,7 @@ static int io_async_cancel_one(struct io_ring_ctx *ctx, void *sqe_addr) static void io_async_find_and_cancel(struct io_ring_ctx *ctx, struct io_kiocb *req, __u64 sqe_addr, - struct io_kiocb **nxt, int success_ret) + int success_ret) { unsigned long flags; int ret; @@ -4155,7 +4085,7 @@ static void io_async_find_and_cancel(struct io_ring_ctx *ctx, if (ret < 0) req_set_fail_links(req); - io_put_req_find_next(req, nxt); + io_put_req(req); } static int io_async_cancel_prep(struct io_kiocb *req, @@ -4171,11 +4101,11 @@ static int io_async_cancel_prep(struct io_kiocb *req, return 0; } -static int io_async_cancel(struct io_kiocb *req, struct io_kiocb **nxt) +static int io_async_cancel(struct io_kiocb *req) { struct io_ring_ctx *ctx = req->ctx; - io_async_find_and_cancel(ctx, req, req->cancel.addr, nxt, 0); + io_async_find_and_cancel(ctx, req, req->cancel.addr, 0); return 0; } @@ -4382,7 +4312,7 @@ static void io_cleanup_req(struct io_kiocb *req) } static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, - struct io_kiocb **nxt, bool force_nonblock) + bool force_nonblock) { struct io_ring_ctx *ctx = req->ctx; int ret; @@ -4399,7 +4329,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret < 0) break; } - ret = io_read(req, nxt, force_nonblock); + ret = io_read(req, force_nonblock); break; case IORING_OP_WRITEV: case IORING_OP_WRITE_FIXED: @@ -4409,7 +4339,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret < 0) break; } - ret = io_write(req, nxt, force_nonblock); + ret = io_write(req, force_nonblock); break; case IORING_OP_FSYNC: if (sqe) { @@ -4417,7 +4347,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret < 0) break; } - ret = io_fsync(req, nxt, force_nonblock); + ret = io_fsync(req, force_nonblock); break; case IORING_OP_POLL_ADD: if (sqe) { @@ -4425,7 +4355,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret) break; } - ret = io_poll_add(req, nxt); + ret = io_poll_add(req); break; case IORING_OP_POLL_REMOVE: if (sqe) { @@ -4441,7 +4371,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret < 0) break; } - ret = io_sync_file_range(req, nxt, force_nonblock); + ret = io_sync_file_range(req, force_nonblock); break; case IORING_OP_SENDMSG: case IORING_OP_SEND: @@ -4451,9 +4381,9 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, break; } if (req->opcode == IORING_OP_SENDMSG) - ret = io_sendmsg(req, nxt, force_nonblock); + ret = io_sendmsg(req, force_nonblock); else - ret = io_send(req, nxt, force_nonblock); + ret = io_send(req, force_nonblock); break; case IORING_OP_RECVMSG: case IORING_OP_RECV: @@ -4463,9 +4393,9 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, break; } if (req->opcode == IORING_OP_RECVMSG) - ret = io_recvmsg(req, nxt, force_nonblock); + ret = io_recvmsg(req, force_nonblock); else - ret = io_recv(req, nxt, force_nonblock); + ret = io_recv(req, force_nonblock); break; case IORING_OP_TIMEOUT: if (sqe) { @@ -4489,7 +4419,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret) break; } - ret = io_accept(req, nxt, force_nonblock); + ret = io_accept(req, force_nonblock); break; case IORING_OP_CONNECT: if (sqe) { @@ -4497,7 +4427,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret) break; } - ret = io_connect(req, nxt, force_nonblock); + ret = io_connect(req, force_nonblock); break; case IORING_OP_ASYNC_CANCEL: if (sqe) { @@ -4505,7 +4435,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret) break; } - ret = io_async_cancel(req, nxt); + ret = io_async_cancel(req); break; case IORING_OP_FALLOCATE: if (sqe) { @@ -4513,7 +4443,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret) break; } - ret = io_fallocate(req, nxt, force_nonblock); + ret = io_fallocate(req, force_nonblock); break; case IORING_OP_OPENAT: if (sqe) { @@ -4521,7 +4451,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret) break; } - ret = io_openat(req, nxt, force_nonblock); + ret = io_openat(req, force_nonblock); break; case IORING_OP_CLOSE: if (sqe) { @@ -4529,7 +4459,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret) break; } - ret = io_close(req, nxt, force_nonblock); + ret = io_close(req, force_nonblock); break; case IORING_OP_FILES_UPDATE: if (sqe) { @@ -4545,7 +4475,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret) break; } - ret = io_statx(req, nxt, force_nonblock); + ret = io_statx(req, force_nonblock); break; case IORING_OP_FADVISE: if (sqe) { @@ -4553,7 +4483,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret) break; } - ret = io_fadvise(req, nxt, force_nonblock); + ret = io_fadvise(req, force_nonblock); break; case IORING_OP_MADVISE: if (sqe) { @@ -4561,7 +4491,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret) break; } - ret = io_madvise(req, nxt, force_nonblock); + ret = io_madvise(req, force_nonblock); break; case IORING_OP_OPENAT2: if (sqe) { @@ -4569,7 +4499,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret) break; } - ret = io_openat2(req, nxt, force_nonblock); + ret = io_openat2(req, force_nonblock); break; case IORING_OP_EPOLL_CTL: if (sqe) { @@ -4577,7 +4507,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret) break; } - ret = io_epoll_ctl(req, nxt, force_nonblock); + ret = io_epoll_ctl(req, force_nonblock); break; case IORING_OP_SPLICE: if (sqe) { @@ -4585,7 +4515,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (ret < 0) break; } - ret = io_splice(req, nxt, force_nonblock); + ret = io_splice(req, force_nonblock); break; default: ret = -EINVAL; @@ -4618,7 +4548,6 @@ static void io_wq_submit_work(struct io_wq_work **workptr) { struct io_wq_work *work = *workptr; struct io_kiocb *req = container_of(work, struct io_kiocb, work); - struct io_kiocb *nxt = NULL; int ret = 0; /* if NO_CANCEL is set, we must still run the work */ @@ -4629,7 +4558,7 @@ static void io_wq_submit_work(struct io_wq_work **workptr) if (!ret) { do { - ret = io_issue_sqe(req, NULL, &nxt, false); + ret = io_issue_sqe(req, NULL, false); /* * We can get EAGAIN for polled IO even though we're * forcing a sync submission from here, since we can't @@ -4649,10 +4578,6 @@ static void io_wq_submit_work(struct io_wq_work **workptr) io_cqring_add_event(req, ret); io_put_req(req); } - - /* if a dependent link is ready, pass it back */ - if (!ret && nxt) - io_wq_assign_next(workptr, nxt); } static int io_req_needs_file(struct io_kiocb *req, int fd) @@ -4778,8 +4703,7 @@ static enum hrtimer_restart io_link_timeout_fn(struct hrtimer *timer) if (prev) { req_set_fail_links(prev); - io_async_find_and_cancel(ctx, req, prev->user_data, NULL, - -ETIME); + io_async_find_and_cancel(ctx, req, prev->user_data, -ETIME); io_put_req(prev); } else { io_cqring_add_event(req, -ETIME); @@ -4845,7 +4769,7 @@ static void __io_queue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe) old_creds = override_creds(req->work.creds); } - ret = io_issue_sqe(req, sqe, &nxt, true); + ret = io_issue_sqe(req, sqe, true); /* * We async punt it if the file wasn't marked NOWAIT, or if the file -- 2.24.0