From: Olaf Faaland <faaland1@llnl.gov>
Date: Thu, 22 Oct 2015 20:31:05 +0000 (-0700)
Subject: LU-7297 osd-zfs: initialize oh_lock
X-Git-Tag: 2.7.64~3
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=f4ea6cd384f152c04c478bf19278130802ad8e67

LU-7297 osd-zfs: initialize oh_lock

The ZFS osd was not initializing od_brw_stats.hist[].oh_lock.
This rectifies that.

Change-Id: I3f637b73c77908c2297bfab97e33eca63b0d5986
Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
Reviewed-on: http://review.whamcloud.com/16919
Tested-by: Jenkins
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Emoly Liu <emoly.liu@intel.com>
Reviewed-by: Nathaniel Clark <nathaniel.l.clark@intel.com>
---

diff --git a/lustre/osd-zfs/osd_lproc.c b/lustre/osd-zfs/osd_lproc.c
index 86957ff..c48638a 100644
--- a/lustre/osd-zfs/osd_lproc.c
+++ b/lustre/osd-zfs/osd_lproc.c
@@ -156,9 +156,12 @@ LPROC_SEQ_FOPS(osd_brw_stats);
 
 static int osd_stats_init(struct osd_device *osd)
 {
-	int result;
+	int result, i;
 	ENTRY;
 
+	for (i = 0; i < BRW_LAST; i++)
+		spin_lock_init(&osd->od_brw_stats.hist[i].oh_lock);
+
 	osd->od_stats = lprocfs_alloc_stats(LPROC_OSD_LAST, 0);
 	if (osd->od_stats != NULL) {
 		result = lprocfs_register_stats(osd->od_proc_entry, "stats",