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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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9
drivers/scsi/libiscsi.c
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@ -1451,8 +1451,6 @@ EXPORT_SYMBOL_GPL(iscsi_queuecommand);
int iscsi_change_queue_depth(struct scsi_device *sdev, int depth)
{
if (depth > ISCSI_MAX_CMD_PER_LUN)
depth = ISCSI_MAX_CMD_PER_LUN;
scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), depth);
return sdev->queue_depth;
}
@ -2062,13 +2060,8 @@ struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht,
if (!shost)
return NULL;
if (qdepth > ISCSI_MAX_CMD_PER_LUN || qdepth < 1) {
if (qdepth != 0)
printk(KERN_ERR "iscsi: invalid queue depth of %d. "
"Queue depth must be between 1 and %d.\n",
qdepth, ISCSI_MAX_CMD_PER_LUN);
if (qdepth == 0)
qdepth = ISCSI_DEF_CMD_PER_LUN;
}
shost->cmd_per_lun = qdepth;
ihost = shost_priv(shost);