staging: lustre: remove cruft from libcfs/linux/libcfs.h

These defines are unused or nearly unused, and do not
help at all.
Signed-off-by: NeilBrown <neilb@suse.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/include/linux/libcfs/curproc.h

@@ -43,8 +43,6 @@
 /*
  * Plus, platform-specific constant
  *
- * CFS_CURPROC_COMM_MAX,
- *
  * and opaque scalar type
  *
  * kernel_cap_t

drivers/staging/lustre/include/linux/libcfs/linux/libcfs.h

@@ -81,8 +81,6 @@
 #include <stdarg.h>
 #include "linux-cpu.h"
 
-#define LUSTRE_TRACE_SIZE (THREAD_SIZE >> 5)
-
 #if !defined(__x86_64__)
 # ifdef __ia64__
 #  define CDEBUG_STACK() (THREAD_SIZE -				 \
@@ -114,19 +112,4 @@ do {								    \
 #define CDEBUG_STACK() (0L)
 #endif /* __x86_64__ */
 
-#define __current_nesting_level() (0)
-
-/**
- * Platform specific declarations for cfs_curproc API (libcfs/curproc.h)
- *
- * Implementation is in linux-curproc.c
- */
-#define CFS_CURPROC_COMM_MAX (sizeof((struct task_struct *)0)->comm)
-
-#include <linux/capability.h>
-
-#ifndef WITH_WATCHDOG
-#define WITH_WATCHDOG
-#endif
-
 #endif /* _LINUX_LIBCFS_H */

drivers/staging/lustre/lnet/libcfs/tracefile.c

@@ -328,7 +328,7 @@ int libcfs_debug_vmsg2(struct libcfs_debug_msg_data *msgdata,
 		goto console;
 	}
 
-	depth = __current_nesting_level();
+	depth = 0;
 	known_size = strlen(file) + 1 + depth;
 	if (msgdata->msg_fn)
 		known_size += strlen(msgdata->msg_fn) + 1;