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LU-3963 libcfs: remove proc handler wrappers
[fs/lustre-release.git] / libcfs / include / libcfs / linux / libcfs.h
index dee91d9..7f3ba3e 100644 (file)
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -28,6 +26,8 @@
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
 
 
 #include <stdarg.h>
+#include <libcfs/linux/linux-cpu.h>
 #include <libcfs/linux/linux-time.h>
 #include <libcfs/linux/linux-mem.h>
 #include <libcfs/linux/linux-prim.h>
 #include <libcfs/linux/linux-lock.h>
 #include <libcfs/linux/linux-fs.h>
 #include <libcfs/linux/linux-tcpip.h>
-#include <libcfs/linux/linux-bitops.h>
-#include <libcfs/linux/linux-types.h>
 #include <libcfs/linux/kp30.h>
 
 #ifdef HAVE_ASM_TYPES_H
@@ -63,9 +62,8 @@
 #include <linux/types.h>
 #include <asm/timex.h>
 #include <linux/sched.h> /* THREAD_SIZE */
-
-#define CFS_THREAD_SIZE   THREAD_SIZE
-#define LUSTRE_TRACE_SIZE (THREAD_SIZE >> 5)
+#include <linux/rbtree.h>
+#include <linux/bitops.h>
 
 #if !defined(__x86_64__)
 # ifdef  __ia64__
@@ -81,9 +79,8 @@
 #define __CHECK_STACK(msgdata, mask, cdls)                              \
 do {                                                                    \
         if (unlikely(CDEBUG_STACK() > libcfs_stack)) {                  \
+                LIBCFS_DEBUG_MSG_DATA_INIT(msgdata, D_WARNING, NULL);   \
                 libcfs_stack = CDEBUG_STACK();                          \
-                (msgdata)->msg_mask = D_WARNING;                        \
-                (msgdata)->msg_cdls = NULL;                             \
                 libcfs_debug_msg(msgdata,                               \
                                  "maximum lustre stack %lu\n",          \
                                  CDEBUG_STACK());                       \
@@ -114,8 +111,12 @@ do {                                                                    \
  */
 #define CFS_CURPROC_COMM_MAX (sizeof ((struct task_struct *)0)->comm)
 
+/* helper for sysctl handlers */
+int lprocfs_call_handler(void *data, int write, loff_t *ppos, void *buffer,
+                        size_t *lenp, int (*handler)(void *data, int write,
+                        loff_t pos, void *buffer, int len));
+
 #include <linux/capability.h>
-typedef kernel_cap_t cfs_kernel_cap_t;
 
 /*
  * No stack-back-tracing in Linux for now.
@@ -123,46 +124,17 @@ typedef kernel_cap_t cfs_kernel_cap_t;
 struct cfs_stack_trace {
 };
 
-/* long integer with size equal to pointer */
-typedef unsigned long ulong_ptr_t;
-typedef long long_ptr_t;
-
 #ifndef WITH_WATCHDOG
 #define WITH_WATCHDOG
 #endif
 
-#ifndef HAVE_STRUCT_CRED
-
-#define current_cred() (current)
-
-#define current_cred_xxx(xxx)                   \
-({                                              \
-        current->xxx;                     \
-})
-
-#ifndef HAVE_CRED_WRAPPERS
-
-#define current_uid()           (current_cred_xxx(uid))
-#define current_gid()           (current_cred_xxx(gid))
-#define current_euid()          (current_cred_xxx(euid))
-#define current_egid()          (current_cred_xxx(egid))
-#define current_suid()          (current_cred_xxx(suid))
-#define current_sgid()          (current_cred_xxx(sgid))
-#define current_fsuid()         (current_cred_xxx(fsuid))
-#define current_fsgid()         (current_cred_xxx(fsgid))
-#define current_cap()           (current_cred_xxx(cap_effective))
-
-#endif /* HAVE_LINUX_CRED_H */
-
-#define current_user()          (current_cred_xxx(user))
-#define current_user_ns()       (current_cred_xxx(user)->user_ns)
-#define current_security()      (current_cred_xxx(security))
-
-#define cred task_struct
-
-#define prepare_creds() (current)
-#define commit_creds(a)
+/*
+ * Macros to access common characteristics of "current" UNIX process.
+ */
+#define current_pid()             (current->pid)
+#define current_comm()            (current->comm)
 
-#endif /* HAVE_STRUCT_CRED */
+/* check if task is running in compat mode.*/
+int current_is_32bit(void);
 
 #endif /* _LINUX_LIBCFS_H */