staging: lustre: libcfs: Replace printk() with pr_*()

Convert printk() calls into corresponding pr_*() calls.
Signed-off-by: Narcisa Ana Maria Vasile <narcisaanamaria12@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

@@ -192,8 +192,7 @@ cfs_trace_get_tage_try(struct cfs_trace_cpu_data *tcd, unsigned long len)
 			if (unlikely(!tage)) {
 				if ((!memory_pressure_get() ||
 				     in_interrupt()) && printk_ratelimit())
-					printk(KERN_WARNING
-					       "cannot allocate a tage (%ld)\n",
+					pr_warn("cannot allocate a tage (%ld)\n",
 						tcd->tcd_cur_pages);
 				return NULL;
 			}
@@ -230,7 +229,7 @@ static void cfs_tcd_shrink(struct cfs_trace_cpu_data *tcd)
 	 */
 
 	if (printk_ratelimit())
-		printk(KERN_WARNING "debug daemon buffer overflowed; discarding 10%% of pages (%d of %ld)\n",
+		pr_warn("debug daemon buffer overflowed; discarding 10%% of pages (%d of %ld)\n",
 			pgcount + 1, tcd->tcd_cur_pages);
 
 	INIT_LIST_HEAD(&pc.pc_pages);
@@ -358,8 +357,7 @@ int libcfs_debug_vmsg2(struct libcfs_debug_msg_data *msgdata,
 
 		max_nob = PAGE_SIZE - tage->used - known_size;
 		if (max_nob <= 0) {
-			printk(KERN_EMERG "negative max_nob: %d\n",
-			       max_nob);
+			pr_emerg("negative max_nob: %d\n", max_nob);
 			mask |= D_ERROR;
 			cfs_trace_put_tcd(tcd);
 			tcd = NULL;
@@ -389,8 +387,8 @@ int libcfs_debug_vmsg2(struct libcfs_debug_msg_data *msgdata,
 	}
 
 	if (*(string_buf + needed - 1) != '\n')
-		printk(KERN_INFO "format at %s:%d:%s doesn't end in newline\n",
-		       file, msgdata->msg_line, msgdata->msg_fn);
+		pr_info("format at %s:%d:%s doesn't end in newline\n", file,
+			msgdata->msg_line, msgdata->msg_fn);
 
 	header.ph_len = known_size + needed;
 	debug_buf = (char *)page_address(tage->page) + tage->used;
@@ -739,8 +737,8 @@ int cfs_tracefile_dump_all_pages(char *filename)
 		kunmap(tage->page);
 
 		if (rc != (int)tage->used) {
-			printk(KERN_WARNING "wanted to write %u but wrote %d\n",
-			       tage->used, rc);
+			pr_warn("wanted to write %u but wrote %d\n", tage->used,
+				rc);
 			put_pages_back(&pc);
 			__LASSERT(list_empty(&pc.pc_pages));
 			break;
@@ -894,8 +892,7 @@ int cfs_trace_daemon_command(char *str)
 	} else {
 		strcpy(cfs_tracefile, str);
 
-		printk(KERN_INFO
-		       "Lustre: debug daemon will attempt to start writing to %s (%lukB max)\n",
+		pr_info("Lustre: debug daemon will attempt to start writing to %s (%lukB max)\n",
 			cfs_tracefile,
 			(long)(cfs_tracefile_size >> 10));
 
@@ -933,15 +930,13 @@ int cfs_trace_set_debug_mb(int mb)
 	struct cfs_trace_cpu_data *tcd;
 
 	if (mb < num_possible_cpus()) {
-		printk(KERN_WARNING
-		       "Lustre: %d MB is too small for debug buffer size, setting it to %d MB.\n",
+		pr_warn("Lustre: %d MB is too small for debug buffer size, setting it to %d MB.\n",
 			mb, num_possible_cpus());
 		mb = num_possible_cpus();
 	}
 
 	if (mb > limit) {
-		printk(KERN_WARNING
-		       "Lustre: %d MB is too large for debug buffer size, setting it to %d MB.\n",
+		pr_warn("Lustre: %d MB is too large for debug buffer size, setting it to %d MB.\n",
 			mb, limit);
 		mb = limit;
 	}
@@ -1010,8 +1005,8 @@ static int tracefiled(void *arg)
 			if (IS_ERR(filp)) {
 				rc = PTR_ERR(filp);
 				filp = NULL;
-				printk(KERN_WARNING "couldn't open %s: %d\n",
-				       cfs_tracefile, rc);
+				pr_warn("couldn't open %s: %d\n", cfs_tracefile,
+					rc);
 			}
 		}
 		cfs_tracefile_read_unlock();
@@ -1039,7 +1034,7 @@ static int tracefiled(void *arg)
 			kunmap(tage->page);
 
 			if (rc != (int)tage->used) {
-				printk(KERN_WARNING "wanted to write %u but wrote %d\n",
+				pr_warn("wanted to write %u but wrote %d\n",
 					tage->used, rc);
 				put_pages_back(&pc);
 				__LASSERT(list_empty(&pc.pc_pages));
@@ -1053,7 +1048,7 @@ static int tracefiled(void *arg)
 		if (!list_empty(&pc.pc_pages)) {
 			int i;
 
-			printk(KERN_ALERT "Lustre: trace pages aren't empty\n");
+			pr_alert("Lustre: trace pages aren't empty\n");
 			pr_err("total cpus(%d): ", num_possible_cpus());
 			for (i = 0; i < num_possible_cpus(); i++)
 				if (cpu_online(i))
@@ -1123,8 +1118,7 @@ void cfs_trace_stop_thread(void)
 
 	mutex_lock(&cfs_trace_thread_mutex);
 	if (thread_running) {
-		printk(KERN_INFO
-		       "Lustre: shutting down debug daemon thread...\n");
+		pr_info("Lustre: shutting down debug daemon thread...\n");
 		atomic_set(&tctl->tctl_shutdown, 1);
 		wait_for_completion(&tctl->tctl_stop);
 		thread_running = 0;