Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\ioctl.c Create Date:2022-07-28 17:16:05
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:blkdev_reread_part

Proto:static int blkdev_reread_part(struct block_device *bdev)

Type:int

Parameter:

TypeParameterName
struct block_device *bdev
162  If Not disk_part_scan_enabled(bd_disk) || bdev != bd_contains Then Return -EINVAL
164  If Not Check operation authority Then Return -EACCES
167  mutex_lock( & open/close mutex )
168  ret = bdev_disk_changed(bdev, false)
169  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
171  Return ret
Caller
NameDescribe
blkdev_ioctlalways keep this in sync with compat_blkdev_ioctl()