函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\fs.h Create Date:2022-07-27 06:44:36
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：vma_is_fsdax

函数原型：static inline bool vma_is_fsdax(struct vm_area_struct *vma)

返回类型：bool

参数：

类型参数名称
struct vm_area_struct *vma
3379  如果非File we map to (can be NULL). 则返回:false
3381  如果非vma_is_dax(vma)则返回:false
3383  inode等于file_inode(File we map to (can be NULL). )
3384  如果S_ISCHR(i_mode)则返回:false
3386  返回:true
调用者
名称描述
check_dax_vmasget_dump_page() - pin user page in memory while writing it to core dump*@addr: user address* Returns struct page pointer of user page pinned for dump,* to be freed afterwards by put_page()
get_vaddr_framesget_vaddr_frames() - map virtual addresses to pfns*@start: starting user address*@nr_frames: number of pages / pfns from start to map*@gup_flags: flags modifying lookup behaviour*@vec: structure which receives pages / pfns of the addresses mapped.