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 10:54:32
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：io_get_fallback_req

函数原型：static struct io_kiocb *io_get_fallback_req(struct io_ring_ctx *ctx)

返回类型：struct io_kiocb

参数：

类型参数名称
struct io_ring_ctx *ctx
868  req等于 if all else fails...
869  如果非st_and_set_bit_lock - Set a bit and return its old value, for lock*@nr: Bit to set*@addr: Address to count from* This operation is atomic and provides acquire barrier semantics if* the returned value is 0.* It can be used to implement bit locks.则返回:req
872  返回:NULL
调用者
名称描述
io_get_req