xprtrdma: Remove rpcrdma_buffer::rb_pool

Since commit 1e465fd4ff ("xprtrdma: Replace send and receive
arrays"), this field is no longer used.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2017-04-11 13:24:07 -04:00 • committed by Anna Schumaker
commit 2be1fce95e