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authorMike Christie <michaelc@cs.wisc.edu>2009-03-05 14:46:01 -0600
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-03-13 15:28:06 -0500
commite28f3d5b51ed07d822f135cd941b01e2d485270e (patch)
treee64637e1e4f3bf6921f91729b6f299165929d6df /drivers/infiniband
parentc93f87c727ad4e6a5d94cfab219b1492ccc5ca5e (diff)
downloadop-kernel-dev-e28f3d5b51ed07d822f135cd941b01e2d485270e.zip
op-kernel-dev-e28f3d5b51ed07d822f135cd941b01e2d485270e.tar.gz
[SCSI] libiscsi: don't cap queue depth in iscsi modules
There is no need to cap the queue depth in the modules. We set this in userspace and can do that there. For performance testing with ram based targets, this is helpful since we can have very high queue depths. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.c4
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.h2
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 4338f54..5f79c0a 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -404,7 +404,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep,
struct Scsi_Host *shost;
struct iser_conn *ib_conn;
- shost = iscsi_host_alloc(&iscsi_iser_sht, 0, ISCSI_MAX_CMD_PER_LUN);
+ shost = iscsi_host_alloc(&iscsi_iser_sht, 0, ISER_DEF_CMD_PER_LUN);
if (!shost)
return NULL;
shost->transportt = iscsi_iser_scsi_transport;
@@ -596,7 +596,7 @@ static struct scsi_host_template iscsi_iser_sht = {
.change_queue_depth = iscsi_change_queue_depth,
.sg_tablesize = ISCSI_ISER_SG_TABLESIZE,
.max_sectors = 1024,
- .cmd_per_lun = ISCSI_MAX_CMD_PER_LUN,
+ .cmd_per_lun = ISER_DEF_CMD_PER_LUN,
.eh_abort_handler = iscsi_eh_abort,
.eh_device_reset_handler= iscsi_eh_device_reset,
.eh_target_reset_handler= iscsi_eh_target_reset,
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index 8611195..9d529ca 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -93,7 +93,7 @@
/* support upto 512KB in one RDMA */
#define ISCSI_ISER_SG_TABLESIZE (0x80000 >> SHIFT_4K)
-#define ISCSI_ISER_MAX_LUN 256
+#define ISER_DEF_CMD_PER_LUN 128
/* QP settings */
/* Maximal bounds on received asynchronous PDUs */
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