函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\genhd.c Create Date:2022-07-27 18:54:45
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：This is a counterpart of get_disk_and_module() and thus also of* get_gendisk().

函数原型：void put_disk_and_module(struct gendisk *disk)

返回类型：void

参数：

类型参数名称
struct gendisk *disk
1555  如果disk则
1556  owner等于owner
1558  put_disk(disk)
1559  module_put(owner)
调用者
名称描述
get_gendiskget_gendisk - get partitioning information for a given device*@devt: device to get partitioning information for*@partno: returned partition index* This function gets the structure containing partitioning* information for the given device @devt.
blkcg_conf_get_disklkg_conf_prep - parse and prepare for per-blkg config update*@inputp: input string pointer* Parse the device node prefix part, MAJ:MIN, of per-blkg config update* from @input and get and return the matching gendisk. *@inputp is
blkg_conf_preplkg_conf_prep - parse and prepare for per-blkg config update*@blkcg: target block cgroup*@pol: target policy*@input: input string*@ctx: blkg_conf_ctx to be filled* Parse per-blkg config update from @input and initialize @ctx with the* result
blkg_conf_finishlkg_conf_finish - finish up per-blkg config update*@ctx: blkg_conf_ctx intiailized by blkg_conf_prep()* Finish up after per-blkg config update. This function must be paired* with blkg_conf_prep().
ioc_qos_write
ioc_cost_model_write
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
__blkdev_getd_mutex locking:* mutex_lock(part->bd_mutex)* mutex_lock_nested(whole->bd_mutex, 1)
__blkdev_put