commit c9e65383a20d9a656db70efbf67e57f8115ad776
author Chris Mason <chris.mason@oracle.com> Tue May 11 15:14:16 2010 -0700
committer Andy Grover <andy.grover@oracle.com> Wed Sep 08 18:15:10 2010 -0700
tree 3055f38ada5a60e858fe66e12353cad37e8ebdd5
parent 7e3f2952eeb1a0fe2aa9882fd1705a88f9d89b35

rds: Fix RDMA message reference counting

The RDS send_xmit code was trying to get fancy with message
counting and was dropping the final reference on the RDMA messages
too early.  This resulted in memory corruption and oopsen.

The fix here is to always add a ref as the parts of the message passes
through rds_send_xmit, and always drop a ref as the parts of the message
go through completion handling.

Signed-off-by: Chris Mason <chris.mason@oracle.com>