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-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 6a594aac2290..de8730dd9787 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -640,6 +640,15 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep,
SHOST_DIX_GUARD_CRC);
}
+ /*
+ * Limit the sg_tablesize and max_sectors based on the device
+ * max fastreg page list length.
+ */
+ shost->sg_tablesize = min_t(unsigned short, shost->sg_tablesize,
+ ib_conn->device->dev_attr.max_fast_reg_page_list_len);
+ shost->max_sectors = min_t(unsigned int,
+ 1024, (shost->sg_tablesize * PAGE_SIZE) >> 9);
+
if (iscsi_host_add(shost,
ib_conn->device->ib_device->dma_device)) {
mutex_unlock(&iser_conn->state_mutex);