[PATCH 23/24] dpt_i2o: drop cmd_list usage

[Hannes Reinecke]

From: Hannes Reinecke <h...@suse.com>

Now each command has a unique tag, so we can drop the legacy 'cmd_list'
usage and rely on the tag to identify the command.

Signed-off-by: Hannes Reinecke <h...@suse.com>
---
 drivers/scsi/dpt_i2o.c | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index a3afd1478ab6..f66d1641685c 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -2338,7 +2338,6 @@ static s32 adpt_scsi_host_alloc(adpt_hba* pHba, struct 
scsi_host_template *sht)
        host->unique_id = (u32)sys_tbl_pa + pHba->unit;
        host->sg_tablesize = pHba->sg_tablesize;
        host->can_queue = pHba->post_fifo_size;
-       host->use_cmd_list = 1;
 
        return 0;
 }
@@ -2650,20 +2649,18 @@ static s32 adpt_i2o_reparse_lct(adpt_hba* pHba)
        return 0;
 }
 
-static void adpt_fail_posted_scbs(adpt_hba* pHba)
+static bool adpt_fail_posted_scbs_iter(struct request *req, void *data, bool 
reserved)
 {
-       struct scsi_cmnd*       cmd = NULL;
-       struct scsi_device*     d = NULL;
+       struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req);
 
-       shost_for_each_device(d, pHba->host) {
-               unsigned long flags;
-               spin_lock_irqsave(&d->list_lock, flags);
-               list_for_each_entry(cmd, &d->cmd_list, list) {
-                       cmd->result = (DID_OK << 16) | (QUEUE_FULL <<1);
-                       cmd->scsi_done(cmd);
-               }
-               spin_unlock_irqrestore(&d->list_lock, flags);
-       }
+       cmd->result = (DID_OK << 16) | (QUEUE_FULL <<1);
+       cmd->scsi_done(cmd);
+       return true;
+}
+
+static void adpt_fail_posted_scbs(adpt_hba* pHba)
+{
+       blk_mq_tagset_busy_iter(&pHba->host->tag_set, 
adpt_fail_posted_scbs_iter, NULL);
 }
 
 
-- 
2.16.4