Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\block_dev.c Create Date:2022-07-28 20:14:47
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:dgrab -- Grab a reference to an already referenced block device*@bdev: Block device to grab a reference to.

Proto:struct block_device *bdgrab(struct block_device *bdev)

Type:struct block_device

Parameter:

TypeParameterName
struct block_device *bdev
941  get additional reference to inode; caller must already hold one.
942  Return bdev
Caller
NameDescribe
bd_acquire
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