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authorChuck Lever <chuck.lever@oracle.com>2015-03-30 20:34:21 +0200
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2015-03-31 15:52:52 +0200
commita0ce85f595c22d28bf03c3fae8545b3077b7be1b (patch)
tree0b814731f9c21bbb38013c1c0ce48acf4fab1d7f /net/sunrpc/xprtrdma/xprt_rdma.h
parentxprtrdma: Prevent infinite loop in rpcrdma_ep_create() (diff)
downloadlinux-a0ce85f595c22d28bf03c3fae8545b3077b7be1b.tar.xz
linux-a0ce85f595c22d28bf03c3fae8545b3077b7be1b.zip
xprtrdma: Add vector of ops for each memory registration strategy
Instead of employing switch() statements, let's use the typical Linux kernel idiom for handling behavioral variation: virtual functions. Start by defining a vector of operations for each supported memory registration mode, and by adding a source file for each mode. 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>
Diffstat (limited to 'net/sunrpc/xprtrdma/xprt_rdma.h')
-rw-r--r--net/sunrpc/xprtrdma/xprt_rdma.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index c8afd83e8b75..ef3cf4aeecd6 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -60,6 +60,7 @@
* Interface Adapter -- one per transport instance
*/
struct rpcrdma_ia {
+ const struct rpcrdma_memreg_ops *ri_ops;
rwlock_t ri_qplock;
struct rdma_cm_id *ri_id;
struct ib_pd *ri_pd;
@@ -331,6 +332,17 @@ struct rpcrdma_stats {
};
/*
+ * Per-registration mode operations
+ */
+struct rpcrdma_memreg_ops {
+ const char *ro_displayname;
+};
+
+extern const struct rpcrdma_memreg_ops rpcrdma_fmr_memreg_ops;
+extern const struct rpcrdma_memreg_ops rpcrdma_frwr_memreg_ops;
+extern const struct rpcrdma_memreg_ops rpcrdma_physical_memreg_ops;
+
+/*
* RPCRDMA transport -- encapsulates the structures above for
* integration with RPC.
*