linux/drivers/scsi/qla4xxx
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
..
Kconfig
Makefile
ql4_83xx.c
ql4_83xx.h
ql4_attr.c
ql4_bsg.c
ql4_bsg.h
ql4_dbg.c
ql4_dbg.h
ql4_def.h
ql4_fw.h
ql4_glbl.h
ql4_init.c qla4xxx: check the return value of dma_alloc_coherent() 2014-07-30 07:49:37 -04:00
ql4_inline.h
ql4_iocb.c scsi: remove abuses of scsi_populate_tag 2014-11-12 11:19:41 +01:00
ql4_isr.c
ql4_mbx.c scsi: qla4xxx: ql4_mbx.c: Cleaning up missing null-terminate in conjunction with strncpy 2014-07-30 07:49:36 -04:00
ql4_nvram.c
ql4_nvram.h
ql4_nx.c
ql4_nx.h
ql4_os.c scsi: don't set tagging state from scsi_adjust_queue_depth 2014-11-12 11:19:43 +01:00
ql4_version.h