Function report |
Source Code:fs\io_uring.c |
Create Date:2022-07-28 20:22:15 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:io_poll_add
Proto:static int io_poll_add(struct io_kiocb *req, struct io_kiocb **nxt)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct io_kiocb * | req | |
struct io_kiocb ** | nxt |
2743 | bool cancel = false |
2746 | INIT_IO_WORK( & work, io_poll_complete_work) |
2747 | INIT_HLIST_NODE( & hash_node) |
2749 | head = NULL |
2750 | done = false |
2751 | canceled = false |
2753 | _qproc = io_poll_queue_proc |
2760 | init_waitqueue_func_entry( & wait, io_poll_wake) |
2767 | spin_lock_irq( & completion_lock) |
2768 | If Value is more likely to compile time(head) Then |
2776 | If mask || error Then list_del_init - deletes entry from list and reinitialize it.*@entry: the element to delete from the list. |
2778 | Else if cancel Then WRITE_ONCE(canceled, true) |
2780 | Else if Not done Then io_poll_req_insert(req) |
2782 | spin_unlock( & lock) |
2784 | If mask Then |
2785 | error = 0 |
2786 | io_poll_complete(req, mask, 0) |
2788 | spin_unlock_irq( & completion_lock) |
2790 | If mask Then |
2791 | io_cqring_ev_posted(ctx) |
2794 | Return error |
Name | Describe |
---|---|
io_issue_sqe |
Source code conversion tool public plug-in interface | X |
---|---|
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |