zero_user_segment

函数名称：zero_user_segment

函数原型：static inline void zero_user_segment(struct page *page, unsigned start, unsigned end)

返回类型：void

参数：

类型	参数	名称
struct page *	page
unsigned	start
unsigned	end

239

zero_user_segments(page, start, end, 0, 0)

**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
nobh_writepage	bh_writepage() - based on block_full_write_page() except* that it tries to operate without attaching bufferheads to* the page.
block_write_full_page	The generic ->writepage function for buffer-backed address_spaces
do_mpage_readpage	This is the worker routine which does all the work of mapping the disk* blocks and constructs largest possible bios, submits them for IO if the* blocks are not contiguous on the disk
__mpage_writepage
iomap_do_writepage	Write out a dirty page.* For delalloc space on the page we need to allocate space and flush it.* For unwritten space on the page we need to start the conversion to* regular allocated space.

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