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IB/srp: Use P_Key cache for P_Key lookups
author
Bart Van Assche
<bvanassche@acm.org>
Wed, 9 Jul 2014 13:58:22 +0000
(15:58 +0200)
committer
Doug Ledford
<dledford@redhat.com>
Wed, 15 Apr 2015 20:06:54 +0000
(16:06 -0400)
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>
drivers/infiniband/ulp/srp/ib_srp.c
patch
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diff --git
a/drivers/infiniband/ulp/srp/ib_srp.c
b/drivers/infiniband/ulp/srp/ib_srp.c
index
0747c05
..
918814c
100644
(file)
--- 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;