X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=libcfs%2Finclude%2Flibcfs%2Flinux%2Flibcfs.h;h=71a7718e347b9b86d05bc1d0865f701474fd99d7;hb=561bd1db8620a3166100b95f25cf10f1b0211e70;hp=e1a0502278075ca30ca4e7eb65b1ec6cada42434;hpb=f4c694e6ee47769f1c41c70650683a7d034d024e;p=fs%2Flustre-release.git

diff --git a/libcfs/include/libcfs/linux/libcfs.h b/libcfs/include/libcfs/linux/libcfs.h
index e1a0502..71a7718 100644
--- a/libcfs/include/libcfs/linux/libcfs.h
+++ b/libcfs/include/libcfs/linux/libcfs.h
@@ -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.
@@ -26,8 +24,10 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2014, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -47,12 +47,10 @@
 
 
 #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/kp30.h>
 
 #ifdef HAVE_ASM_TYPES_H
@@ -61,8 +59,9 @@
 #include <linux/types.h>
 #include <asm/timex.h>
 #include <linux/sched.h> /* THREAD_SIZE */
-
-#define LUSTRE_TRACE_SIZE (THREAD_SIZE >> 5)
+#include <linux/rbtree.h>
+#include <linux/bitops.h>
+#include <linux/capability.h>
 
 #if !defined(__x86_64__)
 # ifdef  __ia64__
@@ -75,32 +74,26 @@
                            (THREAD_SIZE - 1)))
 # endif /* __ia64__ */
 
-#define __CHECK_STACK(file, func, line)                                 \
+#define __CHECK_STACK(msgdata, mask, cdls)                              \
 do {                                                                    \
-        unsigned long _stack = CDEBUG_STACK();                           \
-                                                                        \
-        if (_stack > 3*THREAD_SIZE/4 && _stack > libcfs_stack) {        \
-                libcfs_stack = _stack;                                  \
-                libcfs_debug_msg(NULL, DEBUG_SUBSYSTEM, D_WARNING,      \
-                                 file, func, line,                      \
-                                 "maximum lustre stack %lu\n", _stack); \
+        if (unlikely(CDEBUG_STACK() > libcfs_stack)) {                  \
+                LIBCFS_DEBUG_MSG_DATA_INIT(msgdata, D_WARNING, NULL);   \
+                libcfs_stack = CDEBUG_STACK();                          \
+                libcfs_debug_msg(msgdata,                               \
+                                 "maximum lustre stack %lu\n",          \
+                                 CDEBUG_STACK());                       \
+                (msgdata)->msg_mask = mask;                             \
+                (msgdata)->msg_cdls = cdls;                             \
+                dump_stack();                                           \
               /*panic("LBUG");*/                                        \
         }                                                               \
 } while (0)
-#define CHECK_STACK()     __CHECK_STACK(__FILE__, __func__, __LINE__)
+#define CFS_CHECK_STACK(msgdata, mask, cdls)  __CHECK_STACK(msgdata, mask, cdls)
 #else /* __x86_64__ */
-#define CHECK_STACK() do { } while(0)
+#define CFS_CHECK_STACK(msgdata, mask, cdls) do {} while(0)
 #define CDEBUG_STACK() (0L)
 #endif /* __x86_64__ */
 
-/* initial pid  */
-#define LUSTRE_LNET_PID          12345
-
-#define ENTRY_NESTING_SUPPORT (1)
-#define ENTRY_NESTING   do {;} while (0)
-#define EXIT_NESTING   do {;} while (0)
-#define __current_nesting_level() (0)
-
 /**
  * Platform specific declarations for cfs_curproc API (libcfs/curproc.h)
  *
@@ -108,21 +101,35 @@ do {                                                                    \
  */
 #define CFS_CURPROC_COMM_MAX (sizeof ((struct task_struct *)0)->comm)
 
-#include <linux/capability.h>
-typedef kernel_cap_t cfs_kernel_cap_t;
+/* helper for sysctl handlers */
+int lprocfs_call_handler(void *data, int write, loff_t *ppos,
+			 void __user *buffer, size_t *lenp,
+			 int (*handler)(void *data, int write,
+			 loff_t pos, void __user *buffer, int len));
 
-/*
- * No stack-back-tracing in Linux for now.
- */
-struct cfs_stack_trace {
-};
+#ifndef HAVE_KSTRTOUL
+static inline int kstrtoul(const char *s, unsigned int base, unsigned long *res)
+{
+	char *end = (char *)s;
 
-/* long integer with size equal to pointer */
-typedef unsigned long ulong_ptr_t;
-typedef long long_ptr_t;
+	*res = simple_strtoul(s, &end, base);
+	if (end - s == 0)
+		return -EINVAL;
+	return 0;
+}
+#endif /* !HAVE_KSTRTOUL */
 
 #ifndef WITH_WATCHDOG
 #define WITH_WATCHDOG
 #endif
 
+/*
+ * Macros to access common characteristics of "current" UNIX process.
+ */
+#define current_pid()             (current->pid)
+#define current_comm()            (current->comm)
+
+/* check if task is running in compat mode.*/
+int current_is_32bit(void);
+
 #endif /* _LINUX_LIBCFS_H */