From 295fd2330a91f295522ad2b7fe2109833ae32e33 Mon Sep 17 00:00:00 2001 From: John Garry Date: Tue, 18 Oct 2022 19:15:58 +0800 Subject: [PATCH] scsi: hisi_sas: Use sas_task_find_rq() Use sas_task_find_rq() to lookup the request per task for its driver tag. Signed-off-by: John Garry Link: https://lore.kernel.org/r/1666091763-11023-3-git-send-email-john.garry@huawei.com Reviewed-by: Damien Le Moal Reviewed-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_main.c | 26 ++++++++------------------ 1 file changed, 8 insertions(+), 18 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 1081383..26e474b 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -177,13 +177,13 @@ static void hisi_sas_slot_index_set(struct hisi_hba *hisi_hba, int slot_idx) } static int hisi_sas_slot_index_alloc(struct hisi_hba *hisi_hba, - struct scsi_cmnd *scsi_cmnd) + struct request *rq) { int index; void *bitmap = hisi_hba->slot_index_tags; - if (scsi_cmnd) - return scsi_cmd_to_rq(scsi_cmnd)->tag; + if (rq) + return rq->tag; spin_lock(&hisi_hba->lock); index = find_next_zero_bit(bitmap, hisi_hba->slot_index_count, @@ -461,11 +461,11 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) struct asd_sas_port *sas_port = device->port; struct hisi_sas_device *sas_dev = device->lldd_dev; bool internal_abort = sas_is_internal_abort(task); - struct scsi_cmnd *scmd = NULL; struct hisi_sas_dq *dq = NULL; struct hisi_sas_port *port; struct hisi_hba *hisi_hba; struct hisi_sas_slot *slot; + struct request *rq = NULL; struct device *dev; int rc; @@ -520,22 +520,12 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) return -ECOMM; } - if (task->uldd_task) { - struct ata_queued_cmd *qc; - - if (dev_is_sata(device)) { - qc = task->uldd_task; - scmd = qc->scsicmd; - } else { - scmd = task->uldd_task; - } - } - - if (scmd) { + rq = sas_task_find_rq(task); + if (rq) { unsigned int dq_index; u32 blk_tag; - blk_tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmd)); + blk_tag = blk_mq_unique_tag(rq); dq_index = blk_mq_unique_tag_to_hwq(blk_tag); dq = &hisi_hba->dq[dq_index]; } else { @@ -580,7 +570,7 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) if (!internal_abort && hisi_hba->hw->slot_index_alloc) rc = hisi_hba->hw->slot_index_alloc(hisi_hba, device); else - rc = hisi_sas_slot_index_alloc(hisi_hba, scmd); + rc = hisi_sas_slot_index_alloc(hisi_hba, rq); if (rc < 0) goto err_out_dif_dma_unmap; -- 2.7.4