inode_lock_nested

函数名称：inode_lock_nested

函数原型：static inline void inode_lock_nested(struct inode *inode, unsigned subclass)

返回类型：void

参数：

类型	参数	名称
struct inode *	inode
unsigned	subclass

826

down_write_nested( & i_rwsem, subclass)

**调用者**
名称	描述
SYSCALL_DEFINE1
ns_mkdir_op
ns_rmdir_op
kern_path_locked	does lookup, returns the object with parent locked
lock_rename	p1 and p2 should be directories on the same fs.
filename_create
do_rmdir
do_unlinkat	Make sure that the actual truncation of the file will occur outside its* directory's i_mutex. Truncate can take a long time if there is a lot of* writeout happening, and we don't want to prevent access to the directory* while waiting on the I/O.
lock_two_nondirectories	lock_two_nondirectories - take two i_mutexes on non-directory objects* Lock any non-NULL argument that is not a directory.* Zero, one or two objects may be locked by this function.@inode1: first inode to lock@inode2: second inode to lock

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