ceph: hex dump corrupt server data to KERN_DEBUG

Also, print fsid using standard format, NOT hex dump.

Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 20 insertions, 0 deletions

diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index d5eef76a253c..b10f88c56706 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -2115,3 +2115,23 @@ void ceph_msg_last_put(struct kref *kref)
         else
                 ceph_msg_kfree(m);
 }
+
+void ceph_msg_dump(struct ceph_msg *msg)
+{
+        pr_debug("msg_dump %p (front_max %d nr_pages %d)\n", msg,
+                 msg->front_max, msg->nr_pages);
+        print_hex_dump(KERN_DEBUG, "header: ",
+                       DUMP_PREFIX_OFFSET, 16, 1,
+                       &msg->hdr, sizeof(msg->hdr), true);
+        print_hex_dump(KERN_DEBUG, " front: ",
+                       DUMP_PREFIX_OFFSET, 16, 1,
+                       msg->front.iov_base, msg->front.iov_len, true);
+        if (msg->middle)
+                print_hex_dump(KERN_DEBUG, "middle: ",
+                               DUMP_PREFIX_OFFSET, 16, 1,
+                               msg->middle->vec.iov_base,
+                               msg->middle->vec.iov_len, true);
+        print_hex_dump(KERN_DEBUG, "footer: ",
+                       DUMP_PREFIX_OFFSET, 16, 1,
+                       &msg->footer, sizeof(msg->footer), true);
+}