Branch b1_6

b=12211
i=green, johann

suppress every allocation attempt message noise, and shut off a compile
warning on x86_64 in obd_alloc_fail(), due to size_t being unsigned long
there.

lustre/include/obd_support.h

@@ -284,6 +284,9 @@ static inline int obd_fail_check(__u32 id)
         _ret_;                                                               \
 })
 
+#define OBD_FAIL_CHECK_QUIET(id)                                             \
+        (unlikely(obd_fail_loc) ? obd_fail_check(id) : 0)
+
 /* deprecated - just use OBD_FAIL_CHECK */
 #define OBD_FAIL_CHECK_ONCE OBD_FAIL_CHECK
 
@@ -352,7 +355,7 @@ do {                                                                         \
 extern atomic_t libcfs_kmemory;
 
 #ifdef RANDOM_FAIL_ALLOC
-#define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
+#define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK_QUIET(OBD_FAIL_GENERAL_ALLOC)
 #else
 #define HAS_FAIL_ALLOC_FLAG 0
 #endif

lustre/lvfs/lvfs_lib.c

@@ -36,7 +36,8 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type,
         if (ptr == NULL ||
             (ll_rand() & OBD_ALLOC_FAIL_MASK) < obd_alloc_fail_rate) {
                 CERROR("%s%salloc of %s (%u bytes) failed at %s:%d\n",
-                       ptr ? "force " :"", type, name, size, file, line);
+                       ptr ? "force " :"", type, name, (unsigned int)size, file,
+                       line);
                 CERROR("%d total bytes allocated by Lustre, %d by Portals\n",
                        atomic_read(&obd_memory), atomic_read(&libcfs_kmemory));
                 return 1;