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Remove unused exported symbols from cas_disk

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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
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14
modules/cas_cache/cas_cache.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 __CAS_CACHE_H__
#define __CAS_CACHE_H__
@ -67,7 +67,6 @@ extern ocf_ctx_t cas_ctx;
extern struct casdsk_functions_mapper casdisk_functions;
struct casdsk_functions_mapper {
int (*casdsk_disk_detach)(struct casdsk_disk *dsk);
int (*casdsk_exp_obj_destroy)(struct casdsk_disk *dsk);
int (*casdsk_exp_obj_create)(struct casdsk_disk *dsk, const char *dev_name,
struct module *owner, struct casdsk_exp_obj_ops *ops);
@ -79,16 +78,9 @@ struct casdsk_functions_mapper {
void (*casdsk_disk_close)(struct casdsk_disk *dsk);
struct casdsk_disk *(*casdsk_disk_claim)(const char *path, void *private);
int (*casdsk_exp_obj_unlock)(struct casdsk_disk *dsk);
int (*casdsk_disk_set_pt)(struct casdsk_disk *dsk);
struct gendisk *(*casdsk_disk_get_gendisk)(struct casdsk_disk *dsk);
int (*casdsk_disk_attach) (struct casdsk_disk *dsk, struct module *owner,
struct casdsk_exp_obj_ops *ops);
int (*casdsk_disk_set_attached)(struct casdsk_disk *dsk);
int (*casdsk_exp_obj_activate)(struct casdsk_disk *dsk);
bool (*casdsk_exp_obj_activated)(struct casdsk_disk *ds);
int (*casdsk_exp_obj_lock)(struct casdsk_disk *dsk);
struct casdsk_disk *(*casdsk_disk_open)(const char *path, void *private);
int (*casdsk_disk_clear_pt)(struct casdsk_disk *dsk);
struct gendisk *(*casdsk_exp_obj_get_gendisk)(struct casdsk_disk *dsk);
};

7
modules/cas_cache/main.c
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@ -82,7 +82,6 @@ int static cas_casdisk_lookup_funtions(void)
#ifdef MODULE_MUTEX_SUPPORTED
mutex_lock(&module_mutex);
#endif
cas_lookup_symbol(casdsk_disk_detach);
cas_lookup_symbol(casdsk_exp_obj_destroy);
cas_lookup_symbol(casdsk_exp_obj_create);
cas_lookup_symbol(casdsk_exp_obj_free);
@ -93,15 +92,9 @@ int static cas_casdisk_lookup_funtions(void)
cas_lookup_symbol(casdsk_disk_close);
cas_lookup_symbol(casdsk_disk_claim);
cas_lookup_symbol(casdsk_exp_obj_unlock);
cas_lookup_symbol(casdsk_disk_set_pt);
cas_lookup_symbol(casdsk_disk_get_gendisk);
cas_lookup_symbol(casdsk_disk_attach);
cas_lookup_symbol(casdsk_disk_set_attached);
cas_lookup_symbol(casdsk_exp_obj_activate);
cas_lookup_symbol(casdsk_exp_obj_activated);
cas_lookup_symbol(casdsk_exp_obj_lock);
cas_lookup_symbol(casdsk_disk_open);
cas_lookup_symbol(casdsk_disk_clear_pt);
cas_lookup_symbol(casdsk_exp_obj_get_gendisk);
#ifdef MODULE_MUTEX_SUPPORTED
mutex_unlock(&module_mutex);

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)
{