From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Mon, 13 Jun 2016 22:26:37 +0000 (+0200)
Subject: drbd: finally report ms, not jiffies, in log message
X-Git-Tag: v4.8-rc1~161^2~68
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=13c2088d41e9c63e1a484a08a1d250ff74b299b5;p=karo-tx-linux.git

drbd: finally report ms, not jiffies, in log message

Also skip the message unless bitmap IO took longer than 5 ms.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 095625beaf98..0807fcbf863d 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -1121,10 +1121,14 @@ static int bm_rw(struct drbd_device *device, const unsigned int flags, unsigned
 		kref_put(&ctx->kref, &drbd_bm_aio_ctx_destroy);
 
 	/* summary for global bitmap IO */
-	if (flags == 0)
-		drbd_info(device, "bitmap %s of %u pages took %lu jiffies\n",
-			 (flags & BM_AIO_READ) ? "READ" : "WRITE",
-			 count, jiffies - now);
+	if (flags == 0) {
+		unsigned int ms = jiffies_to_msecs(jiffies - now);
+		if (ms > 5) {
+			drbd_info(device, "bitmap %s of %u pages took %u ms\n",
+				 (flags & BM_AIO_READ) ? "READ" : "WRITE",
+				 count, ms);
+		}
+	}
 
 	if (ctx->error) {
 		drbd_alert(device, "we had at least one MD IO ERROR during bitmap IO\n");