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authorChristoph Hellwig <hch@lst.de>2014-10-30 14:30:06 +0100
committerChristoph Hellwig <hch@lst.de>2014-11-12 11:19:41 +0100
commit5066863337afdb0ad7323f424f7959d9f9f066da (patch)
tree3901d3088c8698f10e1533298ae04a98116bc395 /drivers/scsi/pmcraid.c
parentabd0c533e37789ef56a73562d6d06d39897bd801 (diff)
scsi: remove abuses of scsi_populate_tag
Unless we want to build a SPI tag message we should just check SCMD_TAGGED instead of reverse engineering a tag type through the use of scsi_populate_tag_msg. Also rename the function to spi_populate_tag_msg, make it behave like the other spi message helpers, and move it to the spi transport class. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Reviewed-by: Hannes Reinecke <hare@suse.de>
Diffstat (limited to 'drivers/scsi/pmcraid.c')
-rw-r--r--drivers/scsi/pmcraid.c34
1 files changed, 3 insertions, 31 deletions
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 2233ed6b89e3..d5fb31fa388b 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -3169,36 +3169,6 @@ static int pmcraid_eh_host_reset_handler(struct scsi_cmnd *scmd)
}
/**
- * pmcraid_task_attributes - Translate SPI Q-Tags to task attributes
- * @scsi_cmd: scsi command struct
- *
- * Return value
- * number of tags or 0 if the task is not tagged
- */
-static u8 pmcraid_task_attributes(struct scsi_cmnd *scsi_cmd)
-{
- char tag[2];
- u8 rc = 0;
-
- if (scsi_populate_tag_msg(scsi_cmd, tag)) {
- switch (tag[0]) {
- case MSG_SIMPLE_TAG:
- rc = TASK_TAG_SIMPLE;
- break;
- case MSG_HEAD_TAG:
- rc = TASK_TAG_QUEUE_HEAD;
- break;
- case MSG_ORDERED_TAG:
- rc = TASK_TAG_ORDERED;
- break;
- };
- }
-
- return rc;
-}
-
-
-/**
* pmcraid_init_ioadls - initializes IOADL related fields in IOARCB
* @cmd: pmcraid command struct
* @sgcount: count of scatter-gather elements
@@ -3553,7 +3523,9 @@ static int pmcraid_queuecommand_lck(
}
ioarcb->request_flags0 |= NO_LINK_DESCS;
- ioarcb->request_flags1 |= pmcraid_task_attributes(scsi_cmd);
+
+ if (scsi_cmd->flags & SCMD_TAGGED)
+ ioarcb->request_flags1 |= TASK_TAG_SIMPLE;
if (RES_IS_GSCSI(res->cfg_entry))
ioarcb->request_flags1 |= DELAY_AFTER_RESET;