part_nr_sects

函数名称：Should be called with mutex lock held (typically bd_mutex) of partition* to provide mutual exlusion among writers otherwise seqcount might be* left in wrong state leaving the readers spinning infinitely.

函数原型：static inline void part_nr_sects_write(struct hd_struct *part, sector_t size)

返回类型：void

参数：

类型	参数	名称
struct hd_struct *	part
sector_t	size

774

* nr_sects is protected by sequence counter. One might extend a * partition while IO is happening to it and update of nr_sects * can be non-atomic on 32bit machines with 64bit sector_t.等于size

**调用者**
名称	描述
blkpg_ioctl

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