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authorBart Van Assche2014-07-09 15:58:22 +0200
committerDoug Ledford2015-04-15 16:06:54 -0400
commit56b5390caf73694b2f50a042542f0b43c29d5ca8 (patch)
tree34d308671d34d14a5f6c21babe3d6495bbe60954 /drivers/infiniband
parentc841e12add6926d64aa608687893465330b5a03e (diff)
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 <bvanassche@acm.org> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: David Dillow <dave@thedillows.org> Cc: Sebastian Parschauer <sebastian.riemer@profitbricks.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 0747c0595a9d..918814cd0f80 100644
--- 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;