From f6330cc1f04b7dcb84b572d402cdacf7e275a022 Mon Sep 17 00:00:00 2001 From: Ilya Dryomov Date: Wed, 13 Jan 2016 14:32:57 +0100 Subject: [PATCH] libceph: clear messenger auth_retry flag if we fault Commit 20e55c4cc758 ("libceph: clear messenger auth_retry flag when we authenticate") got us only half way there. We clear the flag if the second attempt succeeds, but it also needs to be cleared if that attempt fails, to allow for the exponential backoff to kick in. Otherwise, if ->should_authenticate() thinks our keys are valid, we will busy loop, incrementing auth_retry to no avail: process_connect ffff880079a63830 got BADAUTHORIZER attempt 1 process_connect ffff880079a63830 got BADAUTHORIZER attempt 2 process_connect ffff880079a63830 got BADAUTHORIZER attempt 3 process_connect ffff880079a63830 got BADAUTHORIZER attempt 4 process_connect ffff880079a63830 got BADAUTHORIZER attempt 5 ... Signed-off-by: Ilya Dryomov Reviewed-by: Sage Weil --- net/ceph/messenger.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 3850d1a..9cfedf5 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -2827,13 +2827,17 @@ static bool con_backoff(struct ceph_connection *con) static void con_fault_finish(struct ceph_connection *con) { + dout("%s %p\n", __func__, con); + /* * in case we faulted due to authentication, invalidate our * current tickets so that we can get new ones. */ - if (con->auth_retry && con->ops->invalidate_authorizer) { - dout("calling invalidate_authorizer()\n"); - con->ops->invalidate_authorizer(con); + if (con->auth_retry) { + dout("auth_retry %d, invalidating\n", con->auth_retry); + if (con->ops->invalidate_authorizer) + con->ops->invalidate_authorizer(con); + con->auth_retry = 0; } if (con->ops->fault) -- 2.7.4