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Remove "mode" sysfs property of casdsk_disk

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After removal of PT mode this property is meaningless.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga 2022-08-24 21:06:46 +02:00
parent 563aeb0058
commit 16576c7a95
5 changed files with 1 additions and 84 deletions
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3
modules/cas_disk/Makefile
View File

@ -1,5 +1,5 @@
#
# Copyright(c) 2012-2021 Intel Corporation
# Copyright(c) 2012-2022 Intel Corporation
# SPDX-License-Identifier: BSD-3-Clause
#
include $(M)/config.mk
@ -9,4 +9,3 @@ obj-m := cas_disk.o
cas_disk-objs = main.o
cas_disk-objs += disk.o
cas_disk-objs += exp_obj.o
cas_disk-objs += sysfs.o

25
modules/cas_disk/disk.c
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@ -10,14 +10,9 @@
#include "cas_cache.h"
#include "disk.h"
#include "exp_obj.h"
#include "sysfs.h"
#define CASDSK_DISK_OPEN_FMODE (FMODE_READ | FMODE_WRITE)
static const char * const _casdsk_disk_modes[] = {
[CASDSK_MODE_ATTACHED] = "attached",
};
static void _casdsk_disk_release(struct kobject *kobj)
{
struct casdsk_disk *dsk;
@ -34,28 +29,8 @@ static void _casdsk_disk_release(struct kobject *kobj)
kmem_cache_free(casdsk_module->disk_cache, dsk);
}
static ssize_t _casdsk_disk_mode_show(struct kobject *kobj, char *page)
{
struct casdsk_disk *dsk = casdsk_kobj_to_disk(kobj);
CASDSK_DEBUG_DISK_TRACE(dsk);
return scnprintf(page, PAGE_SIZE, "%s",
_casdsk_disk_modes[atomic_read(&dsk->mode)]);
}
static struct casdsk_attribute _casdsk_disk_mode_attr =
__ATTR(mode, S_IRUGO, _casdsk_disk_mode_show, NULL);
static struct attribute *_casdsk_disk_attrs[] = {
&_casdsk_disk_mode_attr.attr,
NULL
};
static struct kobj_type casdsk_disk_ktype = {
.release = _casdsk_disk_release,
.sysfs_ops = &casdsk_sysfs_ops,
.default_attrs = _casdsk_disk_attrs
};
int __init casdsk_init_disks(void)

1
modules/cas_disk/main.c
View File

@ -10,7 +10,6 @@
#include "cas_disk.h"
#include "disk.h"
#include "exp_obj.h"
#include "sysfs.h"
/* Layer information. */
MODULE_AUTHOR("Intel(R) Corporation");

35
modules/cas_disk/sysfs.c
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@ -1,35 +0,0 @@
/*
* Copyright(c) 2012-2021 Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "cas_disk_defs.h"
#include "sysfs.h"
static ssize_t _casdsk_sysfs_show(struct kobject *kobj, struct attribute *attr,
char *page)
{
struct casdsk_attribute *casdsk_attr =
container_of(attr, struct casdsk_attribute, attr);
if (!casdsk_attr->show)
return -EIO;
return casdsk_attr->show(kobj, page);
}
static ssize_t _casdsk_sysfs_store(struct kobject *kobj, struct attribute *attr,
const char *buf, size_t len)
{
struct casdsk_attribute *casdsk_attr =
container_of(attr, struct casdsk_attribute, attr);
if (!casdsk_attr->store)
return -EIO;
return casdsk_attr->store(kobj, buf, len);
}
const struct sysfs_ops casdsk_sysfs_ops = {
.show = _casdsk_sysfs_show,
.store = _casdsk_sysfs_store
};

21
modules/cas_disk/sysfs.h
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@ -1,21 +0,0 @@
/*
* Copyright(c) 2012-2021 Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __CASDISK_SYSFS_H__
#define __CASDISK_SYSFS_H__
#include <linux/kobject.h>
#include <linux/sysfs.h>
struct casdsk_disk;
struct casdsk_attribute {
struct attribute attr;
ssize_t (*show)(struct kobject *kobj, char *page);
ssize_t (*store)(struct kobject *kobj, const char *buf, size_t len);
};
extern const struct sysfs_ops casdsk_sysfs_ops;
#endif