IB/srp: Use P_Key cache for P_Key lookups

This change slightly reduces the time needed to log in. Signed-off-by: Bart Van Assche <[email protected]> Reviewed-by: Sagi Grimberg <[email protected]> Reviewed-by: David Dillow <[email protected]> Cc: Sebastian Parschauer <[email protected]> Signed-off-by: Doug Ledford <[email protected]>
patjak · Apr 15, 2015 · 56b5390 · 56b5390
1 parent c841e12
commit 56b5390
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -40,6 +40,7 @@
 #include <linux/parser.h>
 #include <linux/random.h>
 #include <linux/jiffies.h>
+#include <rdma/ib_cache.h>
 
 #include <linux/atomic.h>
 
@@ -265,10 +266,10 @@ static int srp_init_qp(struct srp_target_port *target,
 	if (!attr)
 		return -ENOMEM;
 
-	ret = ib_find_pkey(target->srp_host->srp_dev->dev,
-			   target->srp_host->port,
-			   be16_to_cpu(target->pkey),
-			   &attr->pkey_index);
+	ret = ib_find_cached_pkey(target->srp_host->srp_dev->dev,
+				  target->srp_host->port,
+				  be16_to_cpu(target->pkey),
+				  &attr->pkey_index);
 	if (ret)
 		goto out;