libceph: a couple tweaks for wait loops
- return -ETIMEDOUT instead of -EIO in case of timeout
- wait_event_interruptible_timeout() returns time left until timeout
and since it can be almost LONG_MAX we had better assign it to long
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 0da3bdc..9d6ff12 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -308,7 +308,7 @@
unsigned long timeout)
{
unsigned long started = jiffies;
- int ret;
+ long ret;
mutex_lock(&monc->mutex);
while (monc->have_osdmap < epoch) {