__set_page_dirty

函数名称：For address_spaces which do not use buffers. Just tag the page as dirty in* the xarray.* This is also used when a single buffer is being dirtied: we want to set the* page dirty in that case, but not all the buffers. This is a "bottom-up"

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

返回类型：int

参数：

类型	参数	名称
struct page *	page

2467

lock_page_memcg(page)

2468

如果非TestSetPageDirty(page)则

2469

mapping等于page_mapping(page)

2472

如果非mapping则

2473

unlock_page_memcg(page)

2474

返回:1

2477

xa_lock_irqsave( & i_pages, flags)

2478

BUG_ON(page_mapping(page) != mapping)

2479

WARN_ON_ONCE(!Private page markings that may be used by the filesystem that owns the page* for its own purposes.* - PG_private and PG_private_2 cause releasepage() and co to be invoked && !PageUptodate(page))

2480

Helper function for set_page_dirty family.* Caller must hold lock_page_memcg().* NOTE: This relies on being atomic wrt interrupts.

2481

__xa_set_mark() - Set this mark on this entry while locked.*@xa: XArray.*@index: Index of entry.*@mark: Mark number.* Attempting to set a mark on a %NULL entry does not succeed.* Context: Any context. Expects xa_lock to be held on entry.

2483

xa_unlock_irqrestore( & i_pages, flags)

2484

unlock_page_memcg(page)

2486

如果host则

2488

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

2490

返回:1

2492

unlock_page_memcg(page)

2493

返回:0

**调用者**
名称	描述
redirty_page_for_writepage	When a writepage implementation decides that it doesn't want to write this* page for some reason, it should redirty the locked page via* redirty_page_for_writepage() and it should then unlock the page and return 0

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