mnt_inc_writers

函数名称：mnt_inc_writers

函数原型：static inline void mnt_inc_writers(struct mount *mnt)

返回类型：void

参数：

类型	参数	名称
struct mount *	mnt

**调用者**
名称	描述
__mnt_want_write	__mnt_want_write - get write access to a mount without freeze protection@m: the mount on which to take a write This tells the low-level filesystem that a write is about to be performed to* it, and makes sure that writes are allowed (mnt it read-write)
mnt_clone_write	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

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