diff options
| author | Hannes Reinecke <hare@suse.de> | 2021-09-15 17:07:13 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-09-22 00:13:38 -0400 |
| commit | bc41fcbffd5759c9610f7de211420eae6b379503 (patch) | |
| tree | 17cadbafa63db66828c36a7fec9c4b69fcbb38f8 /drivers/scsi | |
| parent | 5f8579038842d77e6ce05e1df6bf9dd493b0e3ef (diff) | |
scsi: fas216: Kill scmd->tag
The driver is attempting to allocate a tag internally which is a no-go with
blk-mq. Switch the driver to use the request tag and kill usage of
scmd->tag and scmd->device->current_tag.
[jpg: Change to use scsi_cmd_to_rq()]
Link: https://lore.kernel.org/r/1631696835-136198-2-git-send-email-john.garry@huawei.com
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/arm/fas216.c | 31 |
1 files changed, 8 insertions, 23 deletions
diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index 9c4458a99025..cf71ef488e36 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -77,7 +77,6 @@ * I was thinking that this was a good chip until I found this restriction ;( */ #define SCSI2_SYNC -#undef SCSI2_TAG #undef DEBUG_CONNECT #undef DEBUG_MESSAGES @@ -990,7 +989,7 @@ fas216_reselected_intr(FAS216_Info *info) info->scsi.disconnectable = 0; if (info->SCpnt->device->id == target && info->SCpnt->device->lun == lun && - info->SCpnt->tag == tag) { + scsi_cmd_to_rq(info->SCpnt)->tag == tag) { fas216_log(info, LOG_CONNECT, "reconnected previously executing command"); } else { queue_add_cmd_tail(&info->queues.disconnected, info->SCpnt); @@ -1791,8 +1790,9 @@ static void fas216_start_command(FAS216_Info *info, struct scsi_cmnd *SCpnt) /* * add tag message if required */ - if (SCpnt->tag) - msgqueue_addmsg(&info->scsi.msgs, 2, SIMPLE_QUEUE_TAG, SCpnt->tag); + if (SCpnt->device->simple_tags) + msgqueue_addmsg(&info->scsi.msgs, 2, SIMPLE_QUEUE_TAG, + scsi_cmd_to_rq(SCpnt)->tag); do { #ifdef SCSI2_SYNC @@ -1815,20 +1815,8 @@ static void fas216_start_command(FAS216_Info *info, struct scsi_cmnd *SCpnt) static void fas216_allocate_tag(FAS216_Info *info, struct scsi_cmnd *SCpnt) { -#ifdef SCSI2_TAG - /* - * tagged queuing - allocate a new tag to this command - */ - if (SCpnt->device->simple_tags && SCpnt->cmnd[0] != REQUEST_SENSE && - SCpnt->cmnd[0] != INQUIRY) { - SCpnt->device->current_tag += 1; - if (SCpnt->device->current_tag == 0) - SCpnt->device->current_tag = 1; - SCpnt->tag = SCpnt->device->current_tag; - } else -#endif - set_bit(SCpnt->device->id * 8 + - (u8)(SCpnt->device->lun & 0x7), info->busyluns); + set_bit(SCpnt->device->id * 8 + + (u8)(SCpnt->device->lun & 0x7), info->busyluns); info->stats.removes += 1; switch (SCpnt->cmnd[0]) { @@ -2117,7 +2105,6 @@ request_sense: init_SCp(SCpnt); SCpnt->SCp.Message = 0; SCpnt->SCp.Status = 0; - SCpnt->tag = 0; SCpnt->host_scribble = (void *)fas216_rq_sns_done; /* @@ -2223,7 +2210,6 @@ static int fas216_queue_command_lck(struct scsi_cmnd *SCpnt, init_SCp(SCpnt); info->stats.queues += 1; - SCpnt->tag = 0; spin_lock(&info->host_lock); @@ -3003,9 +2989,8 @@ void fas216_print_devices(FAS216_Info *info, struct seq_file *m) dev = &info->device[scd->id]; seq_printf(m, " %d/%llu ", scd->id, scd->lun); if (scd->tagged_supported) - seq_printf(m, "%3sabled(%3d) ", - scd->simple_tags ? "en" : "dis", - scd->current_tag); + seq_printf(m, "%3sabled ", + scd->simple_tags ? "en" : "dis"); else seq_puts(m, "unsupported "); |