mnt_dec_writers

函数名称：mnt_dec_writers

函数原型：static inline void mnt_dec_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_drop_write	__mnt_drop_write - give up write access to a mount@mnt: the mount on which to give up write access Tells the low-level filesystem that we are done* performing writes to it. Must be matched with* __mnt_want_write() call above.

函数逻辑报告