zero_user

函数名称：zero_user

函数原型：static inline void zero_user(struct page *page, unsigned start, unsigned size)

返回类型：void

参数：

类型	参数	名称
struct page *	page
unsigned	start
unsigned	size

245

zero_user_segments(page, start, start + size, 0, 0)

**调用者**
名称	描述
bio_truncate	_truncate - truncate the bio to small size of @new_size@bio: the bio to be truncated@new_size: new size for truncating the bio* Description:* Truncate the bio to new size of @new_size. If bio_op(bio) is* REQ_OP_READ, zero the truncated part
simple_write_end	simple_write_end - .write_end helper for non-block-device FSes@file: See .write_end of address_space_operations@mapping: "@pos: "@len: "@copied: "@page: "@fsdata: " simple_write_end does the minimum needed for updating a page after writing is
page_zero_new_buffers	If a page has any new buffers, zero them out here, and mark them uptodate* and dirty so they'll be written out (in order to prevent uninitialised* block data from leaking). And clear the new bit.
block_read_full_page	Generic "read page" function for block devices that have the normal* get_block functionality
cont_expand_zero
nobh_truncate_page
block_truncate_page
do_direct_IO	Walk the user pages, and the file, mapping blocks to disk and generating* a sequence of (page,offset,len,block) mappings. These mappings are injected* into submit_page_section(), which takes care of the next stage of submission
iomap_readpage_actor
iomap_zero

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