From: Matt Ezell <ezellma@ornl.gov>
Date: Wed, 15 Jun 2016 00:51:07 +0000 (-0400)
Subject: LU-8150 mdt: Track open+create as mknod
X-Git-Tag: 2.8.56~122
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=6c2bbc022832087f2ff0f65d83e3b0a460e45911;hp=941bd1f21405fe3d934bbab2f6907f69f5dee372

LU-8150 mdt: Track open+create as mknod

Regular files created with mknod are tracked, but most files are
created as an open with create intent. Track this as a mknod also.

Signed-off-by: Matt Ezell <ezellma@ornl.gov>
Change-Id: I8f6ab9d91d0b31062c7f73f8394a1b12f7963f1c
Reviewed-on: http://review.whamcloud.com/20246
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
---

diff --git a/lustre/mdt/mdt_open.c b/lustre/mdt/mdt_open.c
index 25938df..b305b57 100644
--- a/lustre/mdt/mdt_open.c
+++ b/lustre/mdt/mdt_open.c
@@ -1416,7 +1416,8 @@ again:
                         if (result != 0)
                                 GOTO(out_child, result);
                 }
-                created = 1;
+		created = 1;
+		mdt_counter_incr(req, LPROC_MDT_MKNOD);
         } else {
                 /*
                  * The object is on remote node, return its FID for remote open.
diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index 0ada97c..87d9bad 100644
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -9284,8 +9284,10 @@ test_133a() {
 	touch ${testdir}/${tfile} || "touch failed"
 	check_stats $SINGLEMDS "open" 1
 	check_stats $SINGLEMDS "close" 1
-	mknod ${testdir}/${tfile}-pipe p || "mknod failed"
-	check_stats $SINGLEMDS "mknod" 1
+	[ $(lustre_version_code $SINGLEMDS) -ge $(version_code 2.8.54) ] && {
+		mknod ${testdir}/${tfile}-pipe p || "mknod failed"
+		check_stats $SINGLEMDS "mknod" 2
+	}
 	rm -f ${testdir}/${tfile}-pipe || "pipe remove failed"
 	check_stats $SINGLEMDS "unlink" 1
 	rm -f ${testdir}/${tfile} || error "file remove failed"