Function report |
Source Code:block\ioctl.c |
Create Date:2022-07-28 17:16:26 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:blkdev_pr_clear
Proto:static int blkdev_pr_clear(struct block_device *bdev, struct pr_clear __user *arg)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct block_device * | bdev | |
struct pr_clear __user * | arg |
366 | If Not Check operation authority Then Return -EPERM |
368 | If Not ops || Not pr_clear Then Return -EOPNOTSUPP |
370 | If copy_from_user( & c, arg, size of c ) Then Return -EFAULT |
373 | If flags Then Return -EOPNOTSUPP |
Name | Describe |
---|---|
blkdev_ioctl | always keep this in sync with compat_blkdev_ioctl() |
Source code conversion tool public plug-in interface | X |
---|---|
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