From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Elder Subject: [PATCH 7/7] libceph: activate message data assignment checks Date: Sat, 09 Mar 2013 10:03:50 -0600 Message-ID: <513B5D66.3000605@inktank.com> References: <513B5CAF.4010702@inktank.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ia0-f182.google.com ([209.85.210.182]:37255 "EHLO mail-ia0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932401Ab3CIQDw (ORCPT ); Sat, 9 Mar 2013 11:03:52 -0500 Received: by mail-ia0-f182.google.com with SMTP id b35so627424iac.13 for ; Sat, 09 Mar 2013 08:03:52 -0800 (PST) In-Reply-To: <513B5CAF.4010702@inktank.com> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel@vger.kernel.org The mds client no longer tries to assign zero-length message data, and the osd client no longer sets its data info more than once. This allows us to activate assertions in the messenger to verify these things never happen. This resolves both of these: http://tracker.ceph.com/issues/4263 http://tracker.ceph.com/issues/4284 Signed-off-by: Alex Elder Reviewed-by: Greg Farnum --- net/ceph/messenger.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index f48e2af..e75a03d 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -2690,10 +2690,10 @@ EXPORT_SYMBOL(ceph_con_keepalive); void ceph_msg_data_set_pages(struct ceph_msg *msg, struct page **pages, size_t length, size_t alignment) { - /* BUG_ON(!pages); */ - /* BUG_ON(!length); */ - /* BUG_ON(msg->pages); */ - /* BUG_ON(msg->length); */ + BUG_ON(!pages); + BUG_ON(!length); + BUG_ON(msg->pages); + BUG_ON(msg->length); msg->pages = pages; msg->length = length; @@ -2704,9 +2704,9 @@ EXPORT_SYMBOL(ceph_msg_data_set_pages); void ceph_msg_data_set_pagelist(struct ceph_msg *msg, struct ceph_pagelist *pagelist) { - /* BUG_ON(!pagelist); */ - /* BUG_ON(!pagelist->length); */ - /* BUG_ON(msg->pagelist); */ + BUG_ON(!pagelist); + BUG_ON(!pagelist->length); + BUG_ON(msg->pagelist); msg->pagelist = pagelist; } @@ -2714,8 +2714,8 @@ EXPORT_SYMBOL(ceph_msg_data_set_pagelist); void ceph_msg_data_set_bio(struct ceph_msg *msg, struct bio *bio) { - /* BUG_ON(!bio); */ - /* BUG_ON(msg->bio); */ + BUG_ON(!bio); + BUG_ON(msg->bio); msg->bio = bio; } @@ -2723,9 +2723,9 @@ EXPORT_SYMBOL(ceph_msg_data_set_bio); void ceph_msg_data_set_trail(struct ceph_msg *msg, struct ceph_pagelist *trail) { - /* BUG_ON(!trail); */ - /* BUG_ON(!trail->length); */ - /* BUG_ON(msg->trail); */ + BUG_ON(!trail); + BUG_ON(!trail->length); + BUG_ON(msg->trail); msg->trail = trail; } -- 1.7.9.5