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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>
This commit is contained in:
Lars Ellenberg 2016-06-14 00:26:37 +02:00 committed by Jens Axboe
parent 4e526a0046
commit 13c2088d41
1 changed files with 8 additions and 4 deletions
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12
drivers/block/drbd/drbd_bitmap.c
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@ -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");