函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\ioctl.c Create Date:2022-07-27 18:51:28
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：blkdev_reread_part

函数原型：static int blkdev_reread_part(struct block_device *bdev)

返回类型：int

参数：

类型参数名称
struct block_device *bdev
162  如果非disk_part_scan_enabled(bd_disk)或bdev不等于bd_contains则返回:负EINVAL
164  如果非操作权限检查则返回:负EACCES
167  mutex_lock( & open/close mutex )
168  ret等于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  返回:ret
调用者
名称描述
blkdev_ioctlalways keep this in sync with compat_blkdev_ioctl()