diff options
author | Mike Christie <michaelc@cs.wisc.edu> | 2009-03-05 15:46:01 -0500 |
---|---|---|
committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-03-13 16:28:06 -0400 |
commit | e28f3d5b51ed07d822f135cd941b01e2d485270e (patch) | |
tree | e64637e1e4f3bf6921f91729b6f299165929d6df /drivers/scsi | |
parent | c93f87c727ad4e6a5d94cfab219b1492ccc5ca5e (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')
-rw-r--r-- | drivers/scsi/libiscsi.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 701457cca08a..a5168a673503 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c | |||
@@ -1451,8 +1451,6 @@ EXPORT_SYMBOL_GPL(iscsi_queuecommand); | |||
1451 | 1451 | ||
1452 | int iscsi_change_queue_depth(struct scsi_device *sdev, int depth) | 1452 | int iscsi_change_queue_depth(struct scsi_device *sdev, int depth) |
1453 | { | 1453 | { |
1454 | if (depth > ISCSI_MAX_CMD_PER_LUN) | ||
1455 | depth = ISCSI_MAX_CMD_PER_LUN; | ||
1456 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), depth); | 1454 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), depth); |
1457 | return sdev->queue_depth; | 1455 | return sdev->queue_depth; |
1458 | } | 1456 | } |
@@ -2062,13 +2060,8 @@ struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht, | |||
2062 | if (!shost) | 2060 | if (!shost) |
2063 | return NULL; | 2061 | return NULL; |
2064 | 2062 | ||
2065 | if (qdepth > ISCSI_MAX_CMD_PER_LUN || qdepth < 1) { | 2063 | if (qdepth == 0) |
2066 | if (qdepth != 0) | ||
2067 | printk(KERN_ERR "iscsi: invalid queue depth of %d. " | ||
2068 | "Queue depth must be between 1 and %d.\n", | ||
2069 | qdepth, ISCSI_MAX_CMD_PER_LUN); | ||
2070 | qdepth = ISCSI_DEF_CMD_PER_LUN; | 2064 | qdepth = ISCSI_DEF_CMD_PER_LUN; |
2071 | } | ||
2072 | shost->cmd_per_lun = qdepth; | 2065 | shost->cmd_per_lun = qdepth; |
2073 | 2066 | ||
2074 | ihost = shost_priv(shost); | 2067 | ihost = shost_priv(shost); |