函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\genhd.h Create Date:2022-07-27 06:45:33
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：disk_put_part

函数原型：static inline void disk_put_part(struct hd_struct *part)

返回类型：void

参数：

类型参数名称
struct hd_struct *part
275  如果此条件成立可能性大(为编译器优化)(part)则put_device(part_to_dev(part))
调用者
名称描述
blkpg_ioctl
disk_part_iter_nextdisk_part_iter_next - proceed iterator to the next partition and return it*@piter: iterator of interest* Proceed @piter to the next partition and return it.* CONTEXT:* Don't care.
disk_part_iter_exitdisk_part_iter_exit - finish up partition iteration*@piter: iter of interest* Called when iteration is over. Cleans up @piter.* CONTEXT:* Don't care.
bdget_diskdget_disk - do bdget() by gendisk and partition number*@disk: gendisk of interest*@partno: partition number* Find partition @partno from @disk, do bdget() on it.* CONTEXT:* Don't care.* RETURNS:* Resulting block_device on success, NULL on failure.
blk_lookup_devt
__blkdev_getd_mutex locking:* mutex_lock(part->bd_mutex)* mutex_lock_nested(whole->bd_mutex, 1)
__blkdev_put