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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/scsi/libiscsi.c
parentc93f87c727ad4e6a5d94cfab219b1492ccc5ca5e (diff)
[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/scsi/libiscsi.c')
-rw-r--r--drivers/scsi/libiscsi.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 701457cca08..a5168a67350 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -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);