Function report |
Source Code:fs\io_uring.c |
Create Date:2022-07-28 20:22:20 |
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_sqe_files_update
Proto:static int io_sqe_files_update(struct io_ring_ctx *ctx, void __user *arg, unsigned nr_args)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct io_ring_ctx * | ctx | |
void __user * | arg | |
unsigned | nr_args |
4482 | If copy_from_user( & up, arg, size of up ) Then Return -EFAULT |
4488 | If done > nr_user_files Then Return -EINVAL |
4491 | done = 0 |
4492 | fds = u64_to_user_ptr( __s32 * ) |
4497 | err = 0 |
4498 | If copy_from_user( & fd, & fds[done], size of fd ) Then |
4504 | index = i & IORING_FILE_TABLE_MASK |
4506 | io_sqe_file_unregister(ctx, i) |
4509 | If fd != -1 Then |
4513 | If Not file Then |
4525 | If f_op == io_uring_fops Then |
4531 | err = io_sqe_file_register(ctx, file, i) |
4532 | If err Then Break |
4535 | nr_args-- |
4536 | done++ |
4537 | offset++ |
Name | Describe |
---|---|
__io_uring_register |
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 |