函数逻辑报告 |
Source Code:fs\dax.c |
Create Date:2022-07-29 10:56:25 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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函数名称:By this point grab_mapping_entry() has ensured that we have a locked entry* of the appropriate size so we don't have to worry about downgrading PMDs to* PTEs
函数原型:static void *dax_insert_entry(struct xa_state *xas, struct address_space *mapping, struct vm_fault *vmf, void *entry, pfn_t pfn, unsigned long flags, bool dirty)
返回类型:void
参数:
类型 | 参数 | 名称 |
---|---|---|
struct xa_state * | xas | |
struct address_space * | mapping | |
struct vm_fault * | vmf | |
void * | entry | |
pfn_t | pfn | |
unsigned long | flags | |
bool | dirty |
720 | new_entry等于dax_make_entry(pfn, flags) |
722 | 如果dirty则__mark_inode_dirty - internal function*@inode: inode to mark*@flags: what kind of dirty (i |
725 | 如果dax_is_zero_entry(entry)且非flags按位与DAX_ZERO_PAGE的值则 |
736 | xas_lock_irq(xas) |
737 | 如果dax_is_zero_entry(entry)或dax_is_empty_entry(entry)则 |
740 | dax_disassociate_entry(entry, mapping, false) |
754 | 否则 |
761 | xas_unlock_irq(xas) |
762 | 返回:entry |
名称 | 描述 |
---|---|
dax_load_hole | The user has performed a load from a hole in the file |
dax_iomap_pte_fault |
源代码转换工具 开放的插件接口 | X |
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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 |