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linux-next/drivers/scsi/esas2r
Christoph Hellwig c8b09f6fb6 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>
2014-11-12 11:19:43 +01:00
..
atioctl.h
atvda.h
esas2r_disc.c [SCSI] esas2r: Directly call kernel functions for atomic bit operations 2013-10-25 09:58:59 +01:00
esas2r_flash.c [SCSI] esas2r: Directly call kernel functions for atomic bit operations 2013-10-25 09:58:59 +01:00
esas2r_init.c [SCSI] remove deprecated IRQF_DISABLED from SCSI 2014-03-19 15:04:44 -07:00
esas2r_int.c [SCSI] esas2r: Directly call kernel functions for atomic bit operations 2013-10-25 09:58:59 +01:00
esas2r_io.c [SCSI] esas2r: Directly call kernel functions for atomic bit operations 2013-10-25 09:58:59 +01:00
esas2r_ioctl.c [SCSI] esas2r: Directly call kernel functions for atomic bit operations 2013-10-25 09:58:59 +01:00
esas2r_log.c [SCSI] esas2r: fix potential format string flaw 2014-03-15 10:18:58 -07:00
esas2r_log.h
esas2r_main.c scsi: don't set tagging state from scsi_adjust_queue_depth 2014-11-12 11:19:43 +01:00
esas2r_targdb.c [SCSI] esas2r: Directly call kernel functions for atomic bit operations 2013-10-25 09:58:59 +01:00
esas2r_vda.c [SCSI] esas2r: Cleanup snprinf formatting of firmware version 2013-10-25 09:58:59 +01:00
esas2r.h scsi: don't set tagging state from scsi_adjust_queue_depth 2014-11-12 11:19:43 +01:00
Kconfig
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