函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\io_uring.c Create Date:2022-07-29 10:54:37
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：io_complete_rw_iopoll

函数原型：static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2)

返回类型：void

参数：

类型参数名称
struct kiocb *kiocb
longres
longres2
1392  req等于container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(kiocb, structio_kiocb, kiocb)
1394  如果ki_flags按位与IOCB_WRITE则kiocb_end_write(req)
1397  如果res不等于result则req_set_fail_links(req)
1399  result等于res
1400  如果res不等于负EAGAIN则flags或等于polled IO has completed