[REFACTOR] remove unused code

Change-Id: If11e675449e8ffde6aefb63b2040e70e69f618ad
Signed-off-by: Vyacheslav Cherkashin <v.cherkashin@samsung.com>

diff --git a/us_manager/us_manager.c b/us_manager/us_manager.c
index ee2ba7b..e8ee608 100644 (file)
--- a/us_manager/us_manager.c
+++ b/us_manager/us_manager.c
@@ -23,160 +23,36 @@
  */
 
 #include <linux/module.h>
-#include <us_manager/sspt/sspt.h>
-#include <us_manager/sspt/sspt_proc.h>
-#include <us_manager/sspt/sspt_page.h>
-#include <helper.h>
-#include "pf/proc_filters.h"
+#include <linux/mutex.h>
+#include "pf/pf_group.h"
+#include "sspt/sspt_proc.h"
+#include "helper.h"
 
-#include <writer/swap_writer_module.h>
+/* FIXME: move /un/init_msg() elsewhere and remove this include  */
+#include <writer/swap_writer_module.h>         /* for /un/init_msg() */
 
-struct proc_filter *pf;
 
 static DEFINE_MUTEX(mutex_inst);
 static int flag_inst = 0;
 
-void (*ptr_pack_task_event_info)(struct task_struct *task,
-                                int probe_id,
-                                int record_type,
-                                const char *fmt, ...) = NULL;
-
-EXPORT_SYMBOL_GPL(ptr_pack_task_event_info);
-
-struct task_struct *check_task(struct task_struct *task)
-{
-       if (is_kthread(task))
-               return NULL;
-
-       return pf->call(pf, task);
-}
-
-int usm_register_probe(struct dentry *dentry, unsigned long offset,
-                      void *pre_handler, void *jp_handler, void *rp_handler)
-{
-/*
-       char *file_name;
-       struct sspt_file *file;
-       struct ip_data ip_d;
-
-       file_name = dentry->d_iname;
-       file = sspt_proc_find_file_or_new(proc_base, dentry, file_name);
-
-       ip_d.flag_retprobe = 1;
-       ip_d.got_addr = 0;
-       ip_d.jp_handler = jp_handler;
-       ip_d.offset = offset;
-       ip_d.pre_handler = pre_handler;
-       ip_d.rp_handler = rp_handler;
-
-       sspt_file_add_ip(file, &ip_d);
-*/
-
-       return 0;
-}
-EXPORT_SYMBOL_GPL(usm_register_probe);
-
-int usm_unregister_probe(struct dentry *dentry, unsigned long offset)
-{
-/*
-       struct sspt_file *file;
-       struct sspt_page *page;
-       struct us_ip *ip;
-
-       file = sspt_proc_find_file(proc_base, dentry);
-       if (file == NULL)
-               return -EINVAL;
-
-       page = sspt_get_page(file, offset);
-       if (page == NULL)
-               return -EINVAL;
-
-       ip = sspt_find_ip(page, offset & ~PAGE_MASK);
-       if (ip == NULL) {
-               sspt_put_page(page);
-               return -EINVAL;
-       }
-
-       sspt_del_ip(ip);
-       sspt_put_page(page);
-*/
-
-       return 0;
-}
-EXPORT_SYMBOL_GPL(usm_unregister_probe);
 
 static void do_usm_stop(void)
 {
-       int iRet = 0, found = 0;
-       struct task_struct *task = NULL;
-       struct sspt_proc *proc;
-       int tmp_oops_in_progress;
-
        unregister_helper();
-
-       if (iRet)
-               printk("uninstall_kernel_probe(do_munmap) result=%d!\n", iRet);
-
        uninstall_all();
-
-/*
-       tmp_oops_in_progress = oops_in_progress;
-       oops_in_progress = 1;
-       rcu_read_lock();
-       for_each_process(task) {
-               if (is_kthread(task))
-                       continue;
-
-               proc = sspt_proc_get_by_task(task);
-               if (proc) {
-                       int ret = sspt_proc_uninstall(proc, task, US_UNREGS_PROBE);
-                       if (ret)
-                               printk("failed to uninstall IPs (%d)!\n", ret);
-
-                       dbi_unregister_all_uprobes(task);
-               }
-       }
-       rcu_read_unlock();
-       oops_in_progress = tmp_oops_in_progress;
-
-       free_pf(pf);
-*/
-
        sspt_proc_free_all();
 }
 
 static int do_usm_start(void)
 {
-       int ret, i;
-       struct task_struct *task = NULL, *ts;
-       struct sspt_proc *proc;
-       int tmp_oops_in_progress;
+       int ret;
 
        ret = register_helper();
-       if (ret) {
+       if (ret)
                return ret;
-       }
 
        install_all();
 
-/*
-       tmp_oops_in_progress = oops_in_progress;
-       oops_in_progress = 1;
-       rcu_read_lock();
-       for_each_process(task) {
-               if (is_kthread(task))
-                       continue;
-
-               ts = check_task(task);
-
-               if (ts) {
-                       proc = sspt_proc_get_by_task_or_new(ts);
-                       sspt_proc_install(proc);
-               }
-       }
-       rcu_read_unlock();
-       oops_in_progress = tmp_oops_in_progress;
-*/
        return 0;
 }
 

diff --git a/us_manager/us_manager.h b/us_manager/us_manager.h
index b98f59b..979a541 100644 (file)
--- a/us_manager/us_manager.h
+++ b/us_manager/us_manager.h
@@ -25,13 +25,6 @@
 #ifndef _US_MANAGER_H
 #define _US_MANAGER_H
 
-struct dentry;
-
-
-int usm_register_probe(struct dentry *dentry, unsigned long offset,
-                      void *pre_handler, void *jp_handler, void *rp_handler);
-int usm_unregister_probe(struct dentry *dentry, unsigned long offset);
-
 int usm_start(void);
 int usm_stop(void);