fsnotify_grab_connector

函数名称：Get mark connector, make sure it is alive and return with its lock held.* This is for users that get connector pointer from inode or mount. Users that* hold reference to a mark on the list may directly lock connector->lock as

函数原型：static struct fsnotify_mark_connector *fsnotify_grab_connector(fsnotify_connp_t *connp)

返回类型：struct fsnotify_mark_connector

参数：

类型	参数	名称
fsnotify_connp_t *	connp

522

idx等于srcu_read_lock - register a new reader for an SRCU-protected structure

523

conn等于srcu_dereference - fetch SRCU-protected pointer for later dereferencing*@p: the pointer to fetch and protect for later dereferencing*@ssp: pointer to the srcu_struct, which is used to check that we* really are in an SRCU read-side critical section.( * connp, & fsnotify_mark_srcu)

524

如果非conn则转到:out

526

加自旋锁

527

如果 Type of object [lock] 恒等于FSNOTIFY_OBJ_TYPE_DETACHED则

528

自旋锁解锁

529

注销过期读锁

530

返回:NULL

532

out :

533

注销过期读锁

534

返回:conn

**调用者**
名称	描述
fsnotify_add_mark_list	Add mark into proper place in given list of marks. These marks may be used* for the fsnotify backend to determine which event types should be delivered* to which group and for which inodes. These marks are ordered according to
fsnotify_find_mark	Given a list of marks, find the mark associated with given group. If found* take a reference to that mark and return it, else return NULL.
fsnotify_destroy_marks	Destroy all marks attached to an object via connector

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