diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/io_uring.c | 59 |
1 files changed, 14 insertions, 45 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 3e406bc1f855..86ec5669fe50 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -600,7 +600,6 @@ enum { struct async_poll { struct io_poll_iocb poll; struct io_poll_iocb *double_poll; - struct io_wq_work work; }; /* @@ -641,36 +640,26 @@ struct io_kiocb { u16 buf_index; u32 result; - struct io_ring_ctx *ctx; - unsigned int flags; - refcount_t refs; - struct task_struct *task; - u64 user_data; + struct io_ring_ctx *ctx; + unsigned int flags; + refcount_t refs; + struct task_struct *task; + u64 user_data; - struct list_head link_list; + struct list_head link_list; /* * 1. used with ctx->iopoll_list with reads/writes * 2. to track reqs with ->files (see io_op_def::file_table) */ - struct list_head inflight_entry; - - struct percpu_ref *fixed_file_refs; - - union { - /* - * Only commands that never go async can use the below fields, - * obviously. Right now only IORING_OP_POLL_ADD uses them, and - * async armed poll handlers for regular commands. The latter - * restore the work, if needed. - */ - struct { - struct hlist_node hash_node; - struct async_poll *apoll; - }; - struct io_wq_work work; - }; - struct callback_head task_work; + struct list_head inflight_entry; + + struct percpu_ref *fixed_file_refs; + struct callback_head task_work; + /* for polled requests, i.e. IORING_OP_POLL_ADD and async armed poll */ + struct hlist_node hash_node; + struct async_poll *apoll; + struct io_wq_work work; }; struct io_defer_entry { @@ -4668,10 +4657,6 @@ static void io_async_task_func(struct callback_head *cb) io_poll_remove_double(req, apoll->double_poll); spin_unlock_irq(&ctx->completion_lock); - /* restore ->work in case we need to retry again */ - if (req->flags & REQ_F_WORK_INITIALIZED) - memcpy(&req->work, &apoll->work, sizeof(req->work)); - if (!READ_ONCE(apoll->poll.canceled)) __io_req_task_submit(req); else @@ -4763,9 +4748,6 @@ static bool io_arm_poll_handler(struct io_kiocb *req) apoll->double_poll = NULL; req->flags |= REQ_F_POLLED; - if (req->flags & REQ_F_WORK_INITIALIZED) - memcpy(&apoll->work, &req->work, sizeof(req->work)); - io_get_req_task(req); req->apoll = apoll; INIT_HLIST_NODE(&req->hash_node); @@ -4784,8 +4766,6 @@ static bool io_arm_poll_handler(struct io_kiocb *req) if (ret) { io_poll_remove_double(req, apoll->double_poll); spin_unlock_irq(&ctx->completion_lock); - if (req->flags & REQ_F_WORK_INITIALIZED) - memcpy(&req->work, &apoll->work, sizeof(req->work)); kfree(apoll->double_poll); kfree(apoll); return false; @@ -4828,14 +4808,6 @@ static bool io_poll_remove_one(struct io_kiocb *req) do_complete = __io_poll_remove_one(req, &apoll->poll); if (do_complete) { io_put_req(req); - /* - * restore ->work because we will call - * io_req_clean_work below when dropping the - * final reference. - */ - if (req->flags & REQ_F_WORK_INITIALIZED) - memcpy(&req->work, &apoll->work, - sizeof(req->work)); kfree(apoll->double_poll); kfree(apoll); } @@ -4969,9 +4941,6 @@ static int io_poll_add(struct io_kiocb *req) struct io_poll_table ipt; __poll_t mask; - /* ->work is in union with hash_node and others */ - io_req_clean_work(req); - INIT_HLIST_NODE(&req->hash_node); ipt.pt._qproc = io_poll_queue_proc; |