lkml.org 
[lkml]   [2016]   [Apr]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 28/30] drbd: finally report ms, not jiffies, in log message
Date
From: Lars Ellenberg <lars.ellenberg@linbit.com>

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>
---
drivers/block/drbd/drbd_bitmap.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 17e5e60..801b8f3 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");
--
1.9.1
\
 
 \ /
  Last update: 2016-04-25 14:41    [W:0.194 / U:0.528 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site