[IB] srp: increase max_luns

Increase SRP max_luns to 512 to match the kernel's default, since SRP
storage targets can have lots of LUNs and the SRP initiator itself
doesn't have any particular limit.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

2 files changed, 3 insertions, 0 deletions

diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 321a3a10e69b..a3645303cb99 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1417,6 +1417,8 @@ static ssize_t srp_create_target(struct class_device *class_dev,
         if (!target_host)
                 return -ENOMEM;
 
+        target_host->max_lun = SRP_MAX_LUN;
+
         target = host_to_target(target_host);
         memset(target, 0, sizeof *target);
 
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
index 4fec28a71367..b564f18caf78 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.h
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -54,6 +54,7 @@ enum {
         SRP_PORT_REDIRECT       = 1,
         SRP_DLID_REDIRECT       = 2,
 
+        SRP_MAX_LUN             = 512,
         SRP_MAX_IU_LEN          = 256,
 
         SRP_RQ_SHIFT            = 6,