函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\dax.c Create Date:2022-07-29 10:56:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:dax_entry_size

函数原型:static unsigned long dax_entry_size(void *entry)

返回类型:unsigned long

参数:

类型参数名称
void *entry
303  如果dax_is_zero_entry(entry)则返回:0
305  否则如果dax_is_empty_entry(entry)则返回:0
307  否则如果dax_is_pmd_entry(entry)则返回:PMD_SIZE
309  否则返回:PAGE_SIZE
调用者
名称描述
dax_end_pfn
dax_associate_entryTODO: for reflink+dax we need a way to associate a single page with* multiple address_space instances at different linear_page_index()* offsets.