i_mmap_lock_read

函数名称：i_mmap_lock_read

函数原型：static inline void i_mmap_lock_read(struct address_space *mapping)

返回类型：void

参数：

类型	参数	名称
struct address_space *	mapping

536

lock for reading

**调用者**
名称	描述
build_map_info
nommu_shrink_inode_mappings	mmu_shrink_inode_mappings - Shrink the shared mappings on an inode@inode: The inode to check@size: The current filesize of the inode@newsize: The proposed filesize of the inode Check the shared mappings on an inode on behalf of a shrinking truncate
rmap_walk_file	map_walk_file - do something to file page using the object-based rmap method@page: the page to be handled@rwc: control variable according to each walk type* Find all the mappings of a page using the mapping pointer and the vma chains
split_huge_page_to_list	This function splits huge page into normal pages. @page can point to any* subpage of huge page to split. Split doesn't change the position of @page.* Only caller must hold pin on the @page, otherwise split fails with -EBUSY.* The huge page must be locked.
collect_procs_file	Collect processes when the error hit a file mapped page.
wp_shared_mapping_range	wp_shared_mapping_range - Write-protect all ptes in an address space range@mapping: The address_space we want to write protect@first_index: The first page offset in the range@nr: Number of incremental page offsets to cover Note: This function
clean_record_shared_mapping_range	lean_record_shared_mapping_range - Clean and record all ptes in an* address space range@mapping: The address_space we want to clean@first_index: The first page offset in the range@nr: Number of incremental page offsets to cover@bitmap_pgoff: The page
dax_entry_mkclean	Walk all mappings of a given index of a file and writeprotect them

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