函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\pagemap.h Create Date:2022-07-27 06:45:57
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：read_mapping_page

函数原型：static inline struct page *read_mapping_page(struct address_space *mapping, unsigned long index, void *data)

返回类型：struct page

参数：

类型参数名称
struct address_space *mapping
unsigned longindex
void *data
396  返回:ad_cache_page - read into page cache, fill it if needed*@mapping: the page's address_space*@index: the page index*@filler: function to perform the read*@data: first arg to filler(data, page) function, often left as NULL* Read into the page cache
调用者
名称描述
__copy_insn
SYSCALL_DEFINE2
read_dev_sector
vfs_dedupe_get_pageRead a page's worth of file data into the page cache.
page_get_linkget the link contents into pagecache
build_merkle_tree_level