LU-3384 llite: use READ, WRITE around ll_rw_stats_tally()

[fs/lustre-release.git] / lustre / llite / lproc_llite.c

diff --git a/lustre/llite/lproc_llite.c b/lustre/llite/lproc_llite.c
index a8dba54..d63745d 100644 (file)
--- a/lustre/llite/lproc_llite.c
+++ b/lustre/llite/lproc_llite.c
@@ -27,7 +27,7 @@
  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2012, 2013, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -1308,30 +1308,34 @@ static int ll_rw_offset_stats_seq_show(struct seq_file *seq, void *v)
         seq_printf(seq, "%3s %10s %14s %14s %17s %17s %14s\n",
                    "R/W", "PID", "RANGE START", "RANGE END",
                    "SMALLEST EXTENT", "LARGEST EXTENT", "OFFSET");
-        /* We stored the discontiguous offsets here; print them first */
-        for(i = 0; i < LL_OFFSET_HIST_MAX; i++) {
-                if (offset[i].rw_pid != 0)
-                        seq_printf(seq,"%3c %10d %14Lu %14Lu %17lu %17lu %14Lu",
-                                   offset[i].rw_op ? 'W' : 'R',
-                                   offset[i].rw_pid,
-                                   offset[i].rw_range_start,
-                                   offset[i].rw_range_end,
-                                   (unsigned long)offset[i].rw_smallest_extent,
-                                   (unsigned long)offset[i].rw_largest_extent,
-                                   offset[i].rw_offset);
-        }
-        /* Then print the current offsets for each process */
-        for(i = 0; i < LL_PROCESS_HIST_MAX; i++) {
-                if (process[i].rw_pid != 0)
-                        seq_printf(seq,"%3c %10d %14Lu %14Lu %17lu %17lu %14Lu",
-                                   process[i].rw_op ? 'W' : 'R',
-                                   process[i].rw_pid,
-                                   process[i].rw_range_start,
-                                   process[i].rw_last_file_pos,
-                                   (unsigned long)process[i].rw_smallest_extent,
-                                   (unsigned long)process[i].rw_largest_extent,
-                                   process[i].rw_offset);
-        }
+
+       /* We stored the discontiguous offsets here; print them first */
+       for (i = 0; i < LL_OFFSET_HIST_MAX; i++) {
+               if (offset[i].rw_pid != 0)
+                       seq_printf(seq,
+                                  "%3c %10d %14Lu %14Lu %17lu %17lu %14Lu",
+                                  offset[i].rw_op == READ ? 'R' : 'W',
+                                  offset[i].rw_pid,
+                                  offset[i].rw_range_start,
+                                  offset[i].rw_range_end,
+                                  (unsigned long)offset[i].rw_smallest_extent,
+                                  (unsigned long)offset[i].rw_largest_extent,
+                                  offset[i].rw_offset);
+       }
+
+       /* Then print the current offsets for each process */
+       for (i = 0; i < LL_PROCESS_HIST_MAX; i++) {
+               if (process[i].rw_pid != 0)
+                       seq_printf(seq,
+                                  "%3c %10d %14Lu %14Lu %17lu %17lu %14Lu",
+                                  process[i].rw_op == READ ? 'R' : 'W',
+                                  process[i].rw_pid,
+                                  process[i].rw_range_start,
+                                  process[i].rw_last_file_pos,
+                                  (unsigned long)process[i].rw_smallest_extent,
+                                  (unsigned long)process[i].rw_largest_extent,
+                                  process[i].rw_offset);
+       }
        spin_unlock(&sbi->ll_process_lock);
 
        return 0;