Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\ioctl.c Create Date:2022-07-28 20:06:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:ioctl_fibmap

Proto:static int ioctl_fibmap(struct file *filp, int __user *p)

Type:int

Parameter:

TypeParameterName
struct file *filp
int __user *p
57  mapping = f_mapping
61  If Not bmap Then Return -EINVAL
63  If Not Check operation authority Then Return -EPERM
65  res = Get a simple variable from user space(block, p)
66  If res Then Return res
68  res = bmap(mapping, block)
69  Return Write a simple value into user space(res, p)
Caller
NameDescribe
file_ioctl