xprtrdma: Add "destroy MRs" memreg op
Memory Region objects associated with a transport instance are
destroyed before the instance is shutdown and destroyed.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Tested-by: Devesh Sharma <Devesh.Sharma@Emulex.Com>
Tested-by: Meghana Cheripady <Meghana.Cheripady@Emulex.Com>
Tested-by: Veeresh U. Kokatnur <veereshuk@chelsio.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index c2bb29d..121e400 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -260,11 +260,25 @@
}
}
+static void
+frwr_op_destroy(struct rpcrdma_buffer *buf)
+{
+ struct rpcrdma_mw *r;
+
+ while (!list_empty(&buf->rb_all)) {
+ r = list_entry(buf->rb_all.next, struct rpcrdma_mw, mw_all);
+ list_del(&r->mw_all);
+ __frwr_release(r);
+ kfree(r);
+ }
+}
+
const struct rpcrdma_memreg_ops rpcrdma_frwr_memreg_ops = {
.ro_map = frwr_op_map,
.ro_unmap = frwr_op_unmap,
.ro_maxpages = frwr_op_maxpages,
.ro_init = frwr_op_init,
.ro_reset = frwr_op_reset,
+ .ro_destroy = frwr_op_destroy,
.ro_displayname = "frwr",
};