Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\ioctl.c Create Date:2022-07-28 17:16:22
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:blkdev_pr_release

Proto:static int blkdev_pr_release(struct block_device *bdev, struct pr_reservation __user *arg)

Type:int

Parameter:

TypeParameterName
struct block_device *bdev
struct pr_reservation __user *arg
327  ops = pr_ops
330  If Not Check operation authority Then Return -EPERM
332  If Not ops || Not pr_release Then Return -EOPNOTSUPP
334  If copy_from_user( & rsv, arg, size of rsv ) Then Return -EFAULT
337  If flags Then Return -EOPNOTSUPP
339  Return pr_release(bdev, key, type)
Caller
NameDescribe
blkdev_ioctlalways keep this in sync with compat_blkdev_ioctl()