/* #define DEBUG */
 
 #define DPRINTK(fmt, ...)                              \
-       pr_debug("pid %d: %s: " fmt "\n",               \
+       pr_debug(KBUILD_MODNAME ":pid:%d:%s: " fmt "\n",\
                current->pid, __func__, ##__VA_ARGS__)
 
 #define AUTOFS_WARN(fmt, ...)                          \
-       printk(KERN_WARNING "pid %d: %s: " fmt "\n",    \
+       pr_warn(KBUILD_MODNAME ":pid:%d:%s: " fmt "\n", \
                current->pid, __func__, ##__VA_ARGS__)
 
 #define AUTOFS_ERROR(fmt, ...)                         \
-       printk(KERN_ERR "pid %d: %s: " fmt "\n",        \
+       pr_err(KBUILD_MODNAME ":pid:%d:%s: " fmt "\n",  \
                current->pid, __func__, ##__VA_ARGS__)
 
 /*
 
                new_pid = get_task_pid(current, PIDTYPE_PGID);
 
                if (ns_of_pid(new_pid) != ns_of_pid(sbi->oz_pgrp)) {
-                       AUTOFS_WARN("Not allowed to change PID namespace");
+                       AUTOFS_WARN("not allowed to change PID namespace");
                        err = -EINVAL;
                        goto out;
                }
 
        if (parse_options(data, &pipefd, &root_inode->i_uid, &root_inode->i_gid,
                          &pgrp, &pgrp_set, &sbi->type, &sbi->min_proto,
                          &sbi->max_proto)) {
-               printk("autofs: called with bogus options\n");
+               AUTOFS_ERROR("called with bogus options");
                goto fail_dput;
        }
 
        if (pgrp_set) {
                sbi->oz_pgrp = find_get_pid(pgrp);
                if (!sbi->oz_pgrp) {
-                       pr_warn("autofs: could not find process group %d\n",
+                       AUTOFS_ERROR("could not find process group %d",
                                pgrp);
                        goto fail_dput;
                }
        /* Couldn't this be tested earlier? */
        if (sbi->max_proto < AUTOFS_MIN_PROTO_VERSION ||
            sbi->min_proto > AUTOFS_MAX_PROTO_VERSION) {
-               printk("autofs: kernel does not match daemon version "
-                      "daemon (%d, %d) kernel (%d, %d)\n",
+               AUTOFS_ERROR("kernel does not match daemon version "
+                            "daemon (%d, %d) kernel (%d, %d)",
                        sbi->min_proto, sbi->max_proto,
                        AUTOFS_MIN_PROTO_VERSION, AUTOFS_MAX_PROTO_VERSION);
                goto fail_dput;
        pipe = fget(pipefd);
 
        if (!pipe) {
-               printk("autofs: could not open pipe file descriptor\n");
+               AUTOFS_ERROR("could not open pipe file descriptor");
                goto fail_dput;
        }
        ret = autofs_prepare_pipe(pipe);
         * Failure ... clean up.
         */
 fail_fput:
-       printk("autofs: pipe file descriptor does not contain proper ops\n");
+       AUTOFS_ERROR("pipe file descriptor does not contain proper ops");
        fput(pipe);
        /* fall through */
 fail_dput:
 
                break;
        }
        default:
-               printk("autofs4_notify_daemon: bad type %d!\n", type);
+               AUTOFS_WARN("bad type %d!", type);
                mutex_unlock(&sbi->wq_mutex);
                return;
        }
                                        autofs_ptype_expire_indirect;
                }
 
-               DPRINTK("new wait id = 0x%08lx, name = %.*s, nfy=%d\n",
+               DPRINTK("new wait id = 0x%08lx, name = %.*s, nfy=%d",
                        (unsigned long) wq->wait_queue_token, wq->name.len,
                        wq->name.name, notify);