github/open-cas-linux
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Remove unused exported symbols from cas_disk

Browse Source 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga
2022-08-24 14:28:00 +02:00
parent 44ab772107
commit 3102856025
5 changed files with 6 additions and 218 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
modules/cas_disk/cas_disk.h
View File

@@ -1,7 +1,7 @@
/*
* Copyright(c) 2012-2021 Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*/
* Copyright(c) 2012-2022 Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __CASDISK_H__
#define __CASDISK_H__
@@ -82,44 +82,6 @@ struct request_queue *casdsk_disk_get_queue(struct casdsk_disk *dsk);
*/
struct gendisk *casdsk_disk_get_gendisk(struct casdsk_disk *dsk);
/**
* @brief Prepare cas_disk device to switch to pass-through mode
* @param dsk Pointer to casdsk_disk structure related to cas_disk device
* @return 0 if success, errno if failure
*/
int casdsk_disk_set_pt(struct casdsk_disk *dsk);
/**
* @brief Prepare cas_disk device to switch to attached mode
* @param dsk Pointer to casdsk_disk structure related to cas_disk device
* @return 0 if success, errno if failure
*/
int casdsk_disk_set_attached(struct casdsk_disk *dsk);
/**
* @brief Revert cas_disk device back to attached mode
* @param dsk Pointer to casdsk_disk structure related to cas_disk device
* @return 0 if success, errno if failure
*/
int casdsk_disk_clear_pt(struct casdsk_disk *dsk);
/**
* @brief Detach cas from cas_disk device
* @param dsk Pointer to casdsk_disk structure related to cas_disk device
* @return 0 if success, errno if failure
*/
int casdsk_disk_detach(struct casdsk_disk *dsk);
/**
* @brief Attach cas to cas_disk device
* @param dsk Pointer to casdsk_disk structure related to cas_disk device
* @param owner Pointer to cas module
* @param ops Pointer to structure with callback functions
* @return 0 if success, errno if failure
*/
int casdsk_disk_attach(struct casdsk_disk *dsk, struct module *owner,
struct casdsk_exp_obj_ops *ops);
/**
* @brief Create exported object (top device)
* @param dsk Pointer to casdsk_disk structure related to cas_disk device
@@ -153,13 +115,6 @@ struct gendisk *casdsk_exp_obj_get_gendisk(struct casdsk_disk *dsk);
*/
int casdsk_exp_obj_activate(struct casdsk_disk *dsk);
/**
* @brief Check if exported object is active
* @param dsk Pointer to casdsk_disk structure related to cas_disk device
* @return true if exported object is active
*/
bool casdsk_exp_obj_activated(struct casdsk_disk *dsk);
/**
* @brief Lock exported object
* @param dsk Pointer to casdsk_disk structure related to cas_disk device

151
modules/cas_disk/disk.c
View File

@@ -277,7 +277,6 @@ struct gendisk *casdsk_disk_get_gendisk(struct casdsk_disk *dsk)
BUG_ON(!dsk->bd);
return dsk->bd->bd_disk;
}
EXPORT_SYMBOL(casdsk_disk_get_gendisk);
struct request_queue *casdsk_disk_get_queue(struct casdsk_disk *dsk)
{
@@ -300,153 +299,3 @@ int casdsk_disk_allocate_minors(int count)
return minor;
}
static inline int __casdsk_disk_set_pt(struct casdsk_disk *dsk)
{
BUG_ON(!dsk);
atomic_set(&dsk->mode, CASDSK_MODE_TRANS_TO_PT);
casdsk_exp_obj_prepare_pt(dsk);
return 0;
}
int casdsk_disk_set_pt(struct casdsk_disk *dsk)
{
int result;
CASDSK_DEBUG_DISK_TRACE(dsk);
if (!dsk->exp_obj)
return 0;
casdsk_disk_lock(dsk);
result = __casdsk_disk_set_pt(dsk);
casdsk_disk_unlock(dsk);
return result;
}
EXPORT_SYMBOL(casdsk_disk_set_pt);
static inline int __casdsk_disk_set_attached(struct casdsk_disk *dsk)
{
atomic_set(&dsk->mode, CASDSK_MODE_TRANS_TO_ATTACHED);
casdsk_exp_obj_prepare_attached(dsk);
return 0;
}
int casdsk_disk_set_attached(struct casdsk_disk *dsk)
{
int result;
BUG_ON(!dsk);
CASDSK_DEBUG_DISK_TRACE(dsk);
if (!dsk->exp_obj)
return 0;
casdsk_disk_lock(dsk);
result = __casdsk_disk_set_attached(dsk);
casdsk_disk_unlock(dsk);
return result;
}
EXPORT_SYMBOL(casdsk_disk_set_attached);
static inline int __casdsk_disk_clear_pt(struct casdsk_disk *dsk)
{
BUG_ON(atomic_read(&dsk->mode) != CASDSK_MODE_TRANS_TO_PT);
atomic_set(&dsk->mode, CASDSK_MODE_ATTACHED);
return 0;
}
int casdsk_disk_clear_pt(struct casdsk_disk *dsk)
{
int result;
BUG_ON(!dsk);
CASDSK_DEBUG_DISK_TRACE(dsk);
if (!dsk->exp_obj)
return 0;
casdsk_disk_lock(dsk);
result = __casdsk_disk_clear_pt(dsk);
casdsk_disk_unlock(dsk);
return result;
}
EXPORT_SYMBOL(casdsk_disk_clear_pt);
static inline int __casdsk_disk_detach(struct casdsk_disk *dsk)
{
int result;
BUG_ON(atomic_read(&dsk->mode) != CASDSK_MODE_TRANS_TO_PT);
atomic_set(&dsk->mode, CASDSK_MODE_PT);
result = casdsk_exp_obj_detach(dsk);
if (result) {
atomic_set(&dsk->mode, CASDSK_MODE_ATTACHED);
return result;
}
return 0;
}
int casdsk_disk_detach(struct casdsk_disk *dsk)
{
int result;
BUG_ON(!dsk);
CASDSK_DEBUG_DISK_TRACE(dsk);
if (!dsk->exp_obj)
return 0;
casdsk_disk_lock(dsk);
result = __casdsk_disk_detach(dsk);
casdsk_disk_unlock(dsk);
return result;
}
EXPORT_SYMBOL(casdsk_disk_detach);
static inline int __casdsk_disk_attach(struct casdsk_disk *dsk,
struct module *owner, struct casdsk_exp_obj_ops *ops)
{
int result;
BUG_ON(!ops);
BUG_ON(atomic_read(&dsk->mode) != CASDSK_MODE_TRANS_TO_ATTACHED);
result = casdsk_exp_obj_attach(dsk, owner, ops);
if (result) {
atomic_set(&dsk->mode, CASDSK_MODE_PT);
return result;
}
atomic_set(&dsk->mode, CASDSK_MODE_ATTACHED);
return 0;
}
int casdsk_disk_attach(struct casdsk_disk *dsk, struct module *owner,
struct casdsk_exp_obj_ops *ops)
{
int result;
CASDSK_DEBUG_DISK_TRACE(dsk);
if (!dsk->exp_obj)
return 0;
casdsk_disk_lock(dsk);
result = __casdsk_disk_attach(dsk, owner, ops);
casdsk_disk_unlock(dsk);
return result;
}
EXPORT_SYMBOL(casdsk_disk_attach);

1
modules/cas_disk/exp_obj.c
View File

@@ -714,7 +714,6 @@ bool casdsk_exp_obj_activated(struct casdsk_disk *dsk)
BUG_ON(!dsk);
return dsk->exp_obj->activated;
}
EXPORT_SYMBOL(casdsk_exp_obj_activated);
int casdsk_exp_obj_lock(struct casdsk_disk *dsk)
{