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From: Hannes Reinecke <hare@suse.de>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: James Bottomley <james.bottomley@hansenpartnership.com>,
	linux-scsi@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
	Hannes Reinecke <hare@suse.de>
Subject: [PATCH 03/15] aha152x: look for stuck command when resetting device
Date: Mon,  2 Oct 2023 17:49:15 +0200	[thread overview]
Message-ID: <20231002154927.68643-4-hare@suse.de> (raw)
In-Reply-To: <20231002154927.68643-1-hare@suse.de>

The LLDD needs a command to send the reset with, so look at the
list of outstanding commands to get one.

Signed-off-by: Hannes Reinecke <hare@suse.de>
---
 drivers/scsi/aha152x.c | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index 055adb349b0e..936c9f5c6f23 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -1070,24 +1070,28 @@ static int aha152x_abort(struct scsi_cmnd *SCpnt)
  */
 static int aha152x_device_reset(struct scsi_cmnd * SCpnt)
 {
-	struct Scsi_Host *shpnt = SCpnt->device->host;
+	struct scsi_device *sdev = SCpnt->device;
+	struct Scsi_Host *shpnt = sdev->host;
 	DECLARE_COMPLETION(done);
 	int ret, issued, disconnected;
-	unsigned char old_cmd_len = SCpnt->cmd_len;
+	unsigned char old_cmd_len;
 	unsigned long flags;
 	unsigned long timeleft;
 
-	if(CURRENT_SC==SCpnt) {
-		scmd_printk(KERN_ERR, SCpnt, "cannot reset current device\n");
-		return FAILED;
-	}
-
 	DO_LOCK(flags);
-	issued       = remove_SC(&ISSUE_SC, SCpnt) == NULL;
-	disconnected = issued && remove_SC(&DISCONNECTED_SC, SCpnt);
+	/* Look for the stuck command */
+	SCpnt = remove_lun_SC(&ISSUE_SC, sdev->id, sdev->lun);
+	if (SCpnt)
+		issued = 1;
+	else
+		SCpnt = remove_lun_SC(&DISCONNECTED_SC, sdev->id, sdev->lun);
+	if (!issued && SCpnt)
+		disconnected = 1;
 	DO_UNLOCK(flags);
-
-	SCpnt->cmd_len         = 0;
+	if (!SCpnt)
+		return FAILED;
+	old_cmd_len = SCpnt->cmd_len;
+	SCpnt->cmd_len = 0;
 
 	aha152x_internal_queue(SCpnt, &done, resetting);
 
-- 
2.35.3


  parent reply	other threads:[~2023-10-02 15:49 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-02 15:49 [PATCHv500/15] scsi: EH rework prep patches, part 2 Hannes Reinecke
2023-10-02 15:49 ` [PATCH 01/15] zfcp: do not wait for rports to become unblocked after host reset Hannes Reinecke
2023-10-12 13:54   ` Benjamin Block
2023-10-12 14:23     ` Hannes Reinecke
2023-10-12 17:49       ` Benjamin Block
2023-10-13  6:18         ` Hannes Reinecke
2023-10-02 15:49 ` [PATCH 02/15] bfa: Do not use scsi command to signal TMF status Hannes Reinecke
2023-10-02 15:49 ` Hannes Reinecke [this message]
2023-10-02 15:49 ` [PATCH 04/15] a1000u2w: do not rely on the command for inia100_device_reset() Hannes Reinecke
2023-10-02 15:49 ` [PATCH 05/15] fas216: Rework device reset to not rely on SCSI command pointer Hannes Reinecke
2023-10-02 15:49 ` [PATCH 06/15] xen-scsifront: add scsi device as argument to scsifront_do_request() Hannes Reinecke
2023-10-02 15:49 ` [PATCH 07/15] xen-scsifront: rework scsifront_action_handler() Hannes Reinecke
2023-10-02 15:49 ` [PATCH 08/15] libiscsi: use cls_session as argument for target and session reset Hannes Reinecke
2023-10-02 15:49 ` [PATCH 09/15] scsi_transport_iscsi: use session as argument for iscsi_block_scsi_eh() Hannes Reinecke
2023-10-02 15:49 ` [PATCH 10/15] snic: reserve tag for TMF Hannes Reinecke
2023-10-02 15:49 ` [PATCH 11/15] snic: allocate device reset command Hannes Reinecke
2023-10-02 15:49 ` [PATCH 12/15] snic: Use scsi_host_busy_iter() to traverse commands Hannes Reinecke
2023-10-02 15:49 ` [PATCH 13/15] fnic: allocate device reset command on the fly Hannes Reinecke
2023-10-02 15:49 ` [PATCH 14/15] fnic: use fc_block_rport() correctly Hannes Reinecke
2023-10-02 15:49 ` [PATCH 15/15] csiostor: use separate TMF command Hannes Reinecke

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