diff mbox

[5/5] libceph: activate message data assignment checks

Message ID 5135F8EF.3000408@inktank.com (mailing list archive)
State New, archived
Headers show

Commit Message

Alex Elder March 5, 2013, 1:53 p.m. UTC
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 <elder@inktank.com>
---
 net/ceph/messenger.c |   20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

 }

Comments

Gregory Farnum March 5, 2013, 9:21 p.m. UTC | #1
On Tuesday, March 5, 2013 at 5:53 AM, Alex Elder wrote:
> 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 <elder@inktank.com (mailto:elder@inktank.com)>
> ---
> net/ceph/messenger.c | 20 ++++++++++----------
> 1 file changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
> index 97506ac..5bf1bb5 100644
> --- a/net/ceph/messenger.c
> +++ b/net/ceph/messenger.c
> @@ -2677,10 +2677,10 @@ EXPORT_SYMBOL(ceph_con_keepalive);
> void ceph_msg_data_set_pages(struct ceph_msg *msg, struct page **pages,
> unsigned int page_count, size_t alignment)
> {
> - /* BUG_ON(!pages); */
> - /* BUG_ON(!page_count); */
> - /* BUG_ON(msg->pages); */
> - /* BUG_ON(msg->page_count); */
> + BUG_ON(!pages);
> + BUG_ON(!page_count);
> + BUG_ON(msg->pages);
> + BUG_ON(msg->page_count);
> 
> msg->pages = pages;
> msg->page_count = page_count;
> @@ -2691,8 +2691,8 @@ 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(msg->pagelist); */
> + BUG_ON(!pagelist);
> + BUG_ON(msg->pagelist);
> 
> msg->pagelist = pagelist;
> }
> @@ -2700,8 +2700,8 @@ 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;
> }
> @@ -2709,8 +2709,8 @@ 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(msg->trail); */
> + BUG_ON(!trail);
> + BUG_ON(msg->trail);
> 
> msg->trail = trail;
> }
> -- 
> 1.7.9.5
> 


Reviewed-by: Greg Farnum <greg@inktank.com>

I'll leave #4 for Josh to review. :)

Software Engineer #42 @ http://inktank.com | http://ceph.com
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diff mbox

Patch

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 97506ac..5bf1bb5 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -2677,10 +2677,10 @@  EXPORT_SYMBOL(ceph_con_keepalive);
 void ceph_msg_data_set_pages(struct ceph_msg *msg, struct page **pages,
 		unsigned int page_count, size_t alignment)
 {
-	/* BUG_ON(!pages); */
-	/* BUG_ON(!page_count); */
-	/* BUG_ON(msg->pages); */
-	/* BUG_ON(msg->page_count); */
+	BUG_ON(!pages);
+	BUG_ON(!page_count);
+	BUG_ON(msg->pages);
+	BUG_ON(msg->page_count);

 	msg->pages = pages;
 	msg->page_count = page_count;
@@ -2691,8 +2691,8 @@  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(msg->pagelist); */
+	BUG_ON(!pagelist);
+	BUG_ON(msg->pagelist);

 	msg->pagelist = pagelist;
 }
@@ -2700,8 +2700,8 @@  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;
 }
@@ -2709,8 +2709,8 @@  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(msg->trail); */
+	BUG_ON(!trail);
+	BUG_ON(msg->trail);

 	msg->trail = trail;