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authorSagi Grimberg <sagig@mellanox.com>2014-03-27 19:22:25 +0200
committerNicholas Bellinger <nab@linux-iscsi.org>2014-04-07 01:48:52 -0700
commitf225225848a70006d039b4caa2a089b660756cd5 (patch)
tree13a897eddd3f57a325657c29abccb7ee0eb10224 /drivers/infiniband
parent03e7848a64ed535a30f5d7fc6dede2d5a6a2534b (diff)
Target/iser: Use Fastreg only if device supports signature
Fastreg is mandatory for signature, so if the device doesn't support it we don't need to use it. Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index f7801aeb762..f5cc4affaeb 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -231,7 +231,8 @@ isert_create_device_ib_res(struct isert_device *device)
return ret;
/* asign function handlers */
- if (dev_attr->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS) {
+ if (dev_attr->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS &&
+ dev_attr->device_cap_flags & IB_DEVICE_SIGNATURE_HANDOVER) {
device->use_fastreg = 1;
device->reg_rdma_mem = isert_reg_rdma;
device->unreg_rdma_mem = isert_unreg_rdma;