Function report | 
Source Code:fs\io_uring.c | 
Create Date:2022-07-28 20:22:16 | 
| 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_async_cancel_prep
Proto:static int io_async_cancel_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
Type:int
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct io_kiocb * | req | |
| const struct io_uring_sqe * | sqe | 
| 3073 | If Value for the false possibility is greater at compile time(flags & _context is polled ) Then Return -EINVAL | 
| 3075 | If IOSQE_ flags || prio for the request || ffset into file || uffer size or number of iovecs || cancel_flags Then Return -EINVAL | 
| 3079 | addr = READ_ONCE(pointer to buffer or iovecs ) | 
| 3080 | Return 0 | 
| Name | Describe | 
|---|---|
| io_req_defer_prep | |
| io_issue_sqe | 
| Source code conversion tool public plug-in interface  | X | 
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