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authorChristoph Hellwig <hch@lst.de>2014-11-03 20:15:14 +0100
committerChristoph Hellwig <hch@lst.de>2014-11-12 11:19:43 +0100
commitc8b09f6fb67df7fc1b51ced1037fa9b677428149 (patch)
tree87527c3e17a7539c0ffa9f64fbd85ec2ad3dabf1 /drivers/scsi/fnic/fnic_main.c
parent2ecb204d07ac8debe3893c362415919bc78bebd6 (diff)
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scsi: don't set tagging state from scsi_adjust_queue_depth
Remove the tagged argument from scsi_adjust_queue_depth, and just let it handle the queue depth. For most drivers those two are fairly separate, given that most modern drivers don't care about the SCSI "tagged" status of a command at all, and many old drivers allow queuing of multiple untagged commands in the driver. Instead we start out with the ->simple_tags flag set before calling ->slave_configure, which is how all drivers actually looking at ->simple_tags except for one worke anyway. The one other case looks broken, but I've kept the behavior as-is for now. Except for that we only change ->simple_tags from the ->change_queue_type, and when rejecting a tag message in a single driver, so keeping this churn out of scsi_adjust_queue_depth is a clear win. Now that the usage of scsi_adjust_queue_depth is more obvious we can also remove all the trivial instances in ->slave_alloc or ->slave_configure that just set it to the cmd_per_lun default. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/fnic/fnic_main.c')
-rw-r--r--drivers/scsi/fnic/fnic_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index 2a6c98b7d4db..0f29e3f89b26 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -100,7 +100,7 @@ static int fnic_slave_alloc(struct scsi_device *sdev)
if (!rport || fc_remote_port_chkready(rport))
return -ENXIO;
- scsi_adjust_queue_depth(sdev, 0, fnic_max_qdepth);
+ scsi_adjust_queue_depth(sdev, fnic_max_qdepth);
return 0;
}