mnt_clone

函数名称：mnt_clone_write - get write access to a mount*@mnt: the mount on which to take a write* This is effectively like mnt_want_write, except* it must only be used to take an extra write reference* on a mountpoint that we already know has a write reference

函数原型：int mnt_clone_write(struct vfsmount *mnt)

返回类型：int

参数：

类型	参数	名称
struct vfsmount *	mnt

377

如果__mnt_is_readonly: check whether a mount is read-only*@mnt: the mount to check for its write status* This shouldn't be used directly ouside of the VFS.* It does not guarantee that the filesystem will stay* r/w, just that it is right *now*. This can not and则返回:负EROFS

379

禁止抢占()

380

mnt_inc_writers(real_mount(mnt))

381

禁用抢占和中断()

382

返回:0

**调用者**
名称	描述
__mnt_want_write_file	__mnt_want_write_file - get write access to a file's mount@file: the file who's mount on which to take a write This is like __mnt_want_write, but it takes a file and can* do some optimisations if the file is open for write already

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