__set_page_dirty

函数名称：Add a page to the dirty page list.* It is a sad fact of life that this function is called from several places* deeply under spinlocking. It may not sleep.* If the page has buffers, the uptodate buffers are set dirty, to preserve

函数原型：int __set_page_dirty_buffers(struct page *page)

返回类型：int

参数：

类型	参数	名称
struct page *	page

659

mapping等于page_mapping(page)

661

如果此条件成立可能性小(为编译器优化)(!mapping)则返回:非TestSetPageDirty(page)

664

加自旋锁

665

如果page_has_buffers(page)则

666

head等于If we *know* page->private refers to buffer_heads (page)

667

bh等于head

669

循环

670

set_buffer_dirty(bh)

671

bh等于 circular list of page's buffers

672

当bh不等于head 循环

678

lock_page_memcg - lock a page->mem_cgroup binding*@page: the page* This function protects unlocked LRU pages from being moved to* another cgroup

679

newly_dirty等于非TestSetPageDirty(page)

680

自旋锁解锁

682

如果newly_dirty则Mark the page dirty, and set it dirty in the page cache, and mark the inode* dirty.* If warn is true, then emit a warning if the page is not uptodate and has* not been truncated.* The caller must hold lock_page_memcg().

685

lock_page_memcg - unlock a page->mem_cgroup binding*@page: the page

687

如果newly_dirty则__mark_inode_dirty - internal function*@inode: inode to mark*@flags: what kind of dirty (i

690

返回:newly_dirty

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