io_file

函数名称：Get as many references to a file as we have IOs left in this submission,* assuming most submissions are for one file, or at least that each file* has more than one submission.

函数原型：static struct file *io_file_get(struct io_submit_state *state, int fd)

返回类型：struct file

参数：

类型	参数	名称
struct io_submit_state *	state
int	fd

1458

如果非state则返回:fget(fd)

1461

如果* File reference cache则

1462

如果fd恒等于fd则

1463

used_refs自加

1464

ios_left自减

1465

返回:* File reference cache

1467

io_file_put(state)

1469

* File reference cache等于fget_many(fd, ios_left)

1470

如果非* File reference cache则返回:NULL

1473

fd等于fd

1474

has_refs等于ios_left

1475

used_refs等于1

1476

ios_left自减

1477

返回:* File reference cache

**调用者**
名称	描述
io_req_set_file

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告