dax_finish_sync

函数名称：dax_finish_sync_fault - finish synchronous page fault*@vmf: The description of the fault*@pe_size: Size of entry to be inserted*@pfn: PFN to insert* This function ensures that the file range touched by the page fault is* stored persistently on the media

函数原型：vm_fault_t dax_finish_sync_fault(struct vm_fault *vmf, enum page_entry_size pe_size, pfn_t pfn)

返回类型：vm_fault_t

参数：

类型	参数	名称
struct vm_fault *	vmf
enum page_entry_size	pe_size
pfn_t	pfn

1721

start等于pgoff左移PAGE_SHIFT determines the page size 位

1722

order等于pe_order(pe_size)

1723

len等于PAGE_SIZE左移order位

1725

err等于vfs_fsync_range - helper to sync a range of data & metadata to disk*@file: file to sync*@start: offset in bytes of the beginning of data range to sync*@end: offset in bytes of the end of data range (inclusive)*@datasync: perform only datasync

1726

如果err则返回:VM_FAULT_SIGBUS

1728

返回:dax_insert_pfn_mkwrite - insert PTE or PMD entry into page tables*@vmf: The description of the fault*@pfn: PFN to insert*@order: Order of entry to insert.* This function inserts a writeable PTE or PMD entry into the page tables* for an mmaped DAX file

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