This is untested.
Cc: Sebastian Ott <seb...@linux.vnet.ibm.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Signed-off-by: Fabian Frederick <f...@skynet.be>
---
drivers/s390/cio/qdio_main.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 77466c4..8bf9ec1 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -411,15 +411,14 @@ static inline void qdio_stop_polling(struct qdio_q *q)
static inline void account_sbals(struct qdio_q *q, int count)
{
- int pos = 0;
+ int pos;
q->q_stats.nr_sbal_total += count;
if (count == QDIO_MAX_BUFFERS_MASK) {
q->q_stats.nr_sbals[7]++;
return;
}
- while (count >>= 1)
- pos++;
+ pos = ilog2(count);
q->q_stats.nr_sbals[pos]++;
}
--
1.8.4.5
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