do_invalidatepage

函数名称：do_invalidatepage - invalidate part or all of a page*@page: the page which is affected*@offset: start of the range to invalidate*@length: length of the range to invalidate* do_invalidatepage() is called when all or part of the page has become

函数原型：void do_invalidatepage(struct page *page, unsigned int offset, unsigned int length)

返回类型：void

参数：

类型	参数	名称
struct page *	page
unsigned int	offset
unsigned int	length

**调用者**
名称	描述
truncate_cleanup_page	If truncate cannot remove the fs-private metadata from the page, the page* becomes orphaned
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
read_cache_pages_invalidate_page	see if a page needs releasing upon read_cache_pages() failure* - the caller of read_cache_pages() may have set PG_private or PG_fscache* before calling, such as the NFS fs marking pages that are cached locally* on disk, thus we need to give the fs a
block_write_full_page	The generic ->writepage function for buffer-backed address_spaces

函数逻辑报告