Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\namei.c Create Date:2022-07-28 20:05:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:ser_path_mountpoint_at - lookup a path from userland in order to umount it*@dfd: directory file descriptor*@name: pathname from userland*@flags: lookup flags*@path: pointer to container to hold result* A umount is a special case for path walking

Proto:int user_path_mountpoint_at(int dfd, const char __user *name, unsigned int flags, struct path *path)

Type:int

Parameter:

TypeParameterName
intdfd
const char __user *name
unsigned intflags
struct path *path
2691  Return filename_mountpoint(dfd, getname(name), path, flags)
Caller
NameDescribe
ksys_umountNow umount can handle mount points as well as block devices.* This is important for filesystems which use unnamed block devices.* We now support a flag for forced unmount like the other 'big iron'* unixes