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| author | Alex Elder <elder@inktank.com> | 2013-03-04 22:29:57 -0600 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2013-05-01 21:16:41 -0700 |
| commit | ebf18f47093e968105767eed4a0aa155e86b224e (patch) | |
| tree | 90122481017a894850e46b8c86987bd31548fddc /net/ceph/messenger.c | |
| parent | 27fa83852ba275361eaa1a1283cf6704fa8191a6 (diff) | |
| download | lwn-ebf18f47093e968105767eed4a0aa155e86b224e.tar.gz lwn-ebf18f47093e968105767eed4a0aa155e86b224e.zip | |
ceph: only set message data pointers if non-empty
Change it so we only assign outgoing data information for messages
if there is outgoing data to send.
This then allows us to add a few more (currently commented-out)
assertions.
This is related to:
http://tracker.ceph.com/issues/4284
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Greg Farnum <greg@inktank.com>
Diffstat (limited to 'net/ceph/messenger.c')
| -rw-r--r-- | net/ceph/messenger.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index d1183536d5a8..1965d785cf83 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -2692,6 +2692,8 @@ 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->page_count); */ @@ -2705,6 +2707,7 @@ 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); */ msg->pagelist = pagelist; @@ -2723,6 +2726,7 @@ 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); */ msg->trail = trail; |