60 lines
1.0 KiB
C
60 lines
1.0 KiB
C
/*
|
|
* Copyright(c) 2012-2022 Intel Corporation
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
#ifndef __CASDISK_DISK_H__
|
|
#define __CASDISK_DISK_H__
|
|
|
|
#include <linux/kobject.h>
|
|
#include <linux/fs.h>
|
|
#include <linux/blkdev.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/blk-mq.h>
|
|
#include "cas_cache.h"
|
|
|
|
struct casdsk_exp_obj;
|
|
|
|
struct casdsk_disk {
|
|
uint32_t id;
|
|
char *path;
|
|
|
|
struct mutex openers_lock;
|
|
unsigned int openers;
|
|
bool claimed;
|
|
|
|
struct block_device *bd;
|
|
|
|
int gd_flags;
|
|
int gd_minors;
|
|
|
|
struct blk_mq_tag_set tag_set;
|
|
struct casdsk_exp_obj *exp_obj;
|
|
|
|
struct kobject kobj;
|
|
struct list_head list;
|
|
|
|
void *private;
|
|
};
|
|
|
|
int __init casdsk_init_disks(void);
|
|
void casdsk_deinit_disks(void);
|
|
|
|
int casdsk_disk_allocate_minors(int count);
|
|
|
|
static inline void casdsk_disk_lock(struct casdsk_disk *dsk)
|
|
{
|
|
mutex_lock(&dsk->lock);
|
|
}
|
|
|
|
static inline void casdsk_disk_unlock(struct casdsk_disk *dsk)
|
|
{
|
|
mutex_unlock(&dsk->lock);
|
|
}
|
|
|
|
static inline struct casdsk_disk *casdsk_kobj_to_disk(struct kobject *kobj)
|
|
{
|
|
return container_of(kobj, struct casdsk_disk, kobj);
|
|
}
|
|
|
|
#endif
|