函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\block_dev.c Create Date:2022-07-29 10:46:04
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：bdput

函数原型：void bdput(struct block_device *bdev)

返回类型：void

参数：

类型参数名称
struct block_device *bdev
960  放置一个索引节点
调用者
名称描述
blkpg_ioctl
invalidate_partition
bd_forgetCall when you free inode
bd_start_claimingd_start_claiming - start claiming a block device*@bdev: block device of interest*@holder: holder trying to claim @bdev*@bdev is about to be opened exclusively
revalidate_diskvalidate_disk - wrapper for lower-level driver's revalidate_disk call-back*@disk: struct gendisk to be revalidated* This routine is a wrapper for lower-level driver's revalidate_disk* call-backs. It is used to do common pre and post operations needed
__blkdev_getd_mutex locking:* mutex_lock(part->bd_mutex)* mutex_lock_nested(whole->bd_mutex, 1)
blkdev_getlkdev_get - open a block device*@bdev: block_device to open*@mode: FMODE_* mask*@holder: exclusive holder identifier* Open @bdev with @mode. If @mode includes %FMODE_EXCL, @bdev is* open with exclusive access. Specifying %FMODE_EXCL with %NULL
__blkdev_put
quotactl_blocklook up a superblock on which quota ops will be performed* - use the name of a block device to find the superblock thereon