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[SCSI] libiscsi: don't cap queue depth in iscsi modules

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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>
This commit is contained in:
Mike Christie
2009-03-05 14:46:01 -06:00
committed by James Bottomley
parent c93f87c727
commit e28f3d5b51
4 changed files with 5 additions and 13 deletions
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4
drivers/infiniband/ulp/iser/iscsi_iser.c
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@@ -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,

2
drivers/infiniband/ulp/iser/iscsi_iser.h
View File

@@ -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 */