(void *)((unsigned long)delalloc),
                (void *)((unsigned long)unmapped),
                (void *)((unsigned long)unwritten),
-               (void *)NULL,
+               (void *)((unsigned long)current_pid()),
                (void *)NULL);
 }
 #else
 
                (void *)((unsigned long)ioflags),
                (void *)((unsigned long)((io->io_new_size >> 32) & 0xffffffff)),
                (void *)((unsigned long)(io->io_new_size & 0xffffffff)),
-               (void *)NULL,
+               (void *)((unsigned long)current_pid()),
                (void *)NULL,
                (void *)NULL,
                (void *)NULL,
                (void *)((unsigned long)(first & 0xffffffff)),
                (void *)((unsigned long)((last >> 32) & 0xffffffff)),
                (void *)((unsigned long)(last & 0xffffffff)),
-               (void *)NULL,
+               (void *)((unsigned long)current_pid()),
                (void *)NULL,
                (void *)NULL,
                (void *)NULL,
 
                     (void*)(unsigned long)((toss_finish >> 32) & 0xffffffff),
                     (void*)(unsigned long)(toss_finish & 0xffffffff),
                     (void*)(unsigned long)current_cpu(),
-                    (void*)0,
-                    (void*)0,
-                    (void*)0,
-                    (void*)0);
+                    (void*)(unsigned long)current_pid(),
+                    (void*)NULL,
+                    (void*)NULL,
+                    (void*)NULL);
 }
 #else
 #define        xfs_itrunc_trace(tag, ip, flag, new_size, toss_start, toss_finish)
 
                (void *)((unsigned long)count),
                (void *)((unsigned long)((io->io_new_size >> 32) & 0xffffffff)),
                (void *)((unsigned long)(io->io_new_size & 0xffffffff)),
-               (void *)NULL,
+               (void *)((unsigned long)current_pid()),
                (void *)NULL,
                (void *)NULL,
                (void *)NULL,