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Target/iser: Use Fastreg only if device supports signature

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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>
This commit is contained in:
Sagi Grimberg 2014-03-27 19:22:25 +02:00 committed by Nicholas Bellinger
parent 03e7848a64
commit f225225848
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/ulp/isert/ib_isert.c
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@ -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;