find_lock

函数名称：d_lock_page - locate, pin and lock a pagecache page*@mapping: the address_space to search*@offset: the page index* Looks up the page cache slot at @mapping & @offset. If there is a* page cache page, it is returned locked and with an increased* refcount.

函数原型：static inline struct page *find_lock_page(struct address_space *mapping, unsigned long offset)

返回类型：struct page

参数：

类型	参数	名称
struct address_space *	mapping
unsigned long	offset

285

返回:pagecache_get_page - find and get a page reference*@mapping: the address_space to search*@offset: the page index*@fgp_flags: PCG flags*@gfp_mask: gfp mask to use for the page cache data page allocation* Looks up the page cache slot at @mapping & @offset.

**调用者**
名称	描述
truncate_inode_pages_range	runcate_inode_pages_range - truncate range of pages specified by start & end byte offsets@mapping: mapping to truncate@lstart: offset from which to truncate@lend: offset to which to truncate (inclusive) Truncate the page cache, removing the pages that
pagecache_isize_extended	pagecache_isize_extended - update pagecache after extension of i_size@inode: inode for which i_size was extended@from: original inode size@to: new inode size Handle extension of inode size either caused by extending truncate or by
hugetlbfs_pagecache_page	Return the pagecache page at a given address within a VMA
hugetlb_no_page

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