函数逻辑报告

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v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\io_uring.c Create Date:2022-07-29 10:55:01
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：io_prep_linked_timeout

函数原型：static struct io_kiocb *io_prep_linked_timeout(struct io_kiocb *req)

返回类型：struct io_kiocb

参数：

类型参数名称
struct io_kiocb *req
3523  如果非flags按位与linked sqes 的值则返回:NULL
3526  nxt等于list_first_entry_or_null - get the first element from a list*@ptr: the list head to take the element from.*@type: the type of the struct this is embedded in.*@member: the name of the list_head within the struct.( & link_list, structio_kiocb, link_list)
3528  如果非nxt或opcode不等于IORING_OP_LINK_TIMEOUT则返回:NULL
3531  flags或等于has linked timeout
3532  返回:nxt
调用者
名称描述
io_prep_async_work
__io_queue_sqe