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authorChuck Lever2015-09-24 10:34:21 +0300
committerDoug Ledford2015-09-25 10:46:51 -0400
commitbb6c96d72879fe1f674a804eb95b891def4ace61 (patch)
tree5377d9e4b36358f4ddb6e4f43909005c2a9a5b85 /net/sunrpc/xprtrdma/frwr_ops.c
parent310b7cec8ea32dcd4e9978423717ce78dd89d45d (diff)
xprtrdma: Replace global lkey with lkey local to PD
The core API has changed so that devices that do not have a global DMA lkey automatically create an mr, per-PD, and make that lkey available. The global DMA lkey interface is going away in favor of the per-PD DMA lkey. The per-PD DMA lkey is always available. Convert xprtrdma to use the device's per-PD DMA lkey for regbufs, no matter which memory registration scheme is in use. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Cc: linux-nfs <linux-nfs@vger.kernel.org> Acked-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/frwr_ops.c')
-rw-r--r--net/sunrpc/xprtrdma/frwr_ops.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index d6653f5d0830..5318951b3b53 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -189,11 +189,6 @@ frwr_op_open(struct rpcrdma_ia *ia, struct rpcrdma_ep *ep,
struct ib_device_attr *devattr = &ia->ri_devattr;
int depth, delta;
- /* Obtain an lkey to use for the regbufs, which are
- * protected from remote access.
- */
- ia->ri_dma_lkey = ia->ri_device->local_dma_lkey;
-
ia->ri_max_frmr_depth =
min_t(unsigned int, RPCRDMA_MAX_DATA_SEGS,
devattr->max_fast_reg_page_list_len);