diff mbox series

[1/3] qla2xxx: Do not call fc_block_scsi_eh() during bus reset

Message ID 20210819091913.94436-2-hare@suse.de (mailing list archive)
State Accepted
Headers show
Series qla2xxx: Fixes for SCSI EH rework | expand

Commit Message

Hannes Reinecke Aug. 19, 2021, 9:19 a.m. UTC
When calling bus reset the driver will be doing a full SAN resync
anyway, so there is no need to wait for any pending RSCNs; they'll
be re-issued during resync anyway.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Cc: Nilesh Javali <njavali@marvell.com>
---
 drivers/scsi/qla2xxx/qla_os.c | 10 ----------
 1 file changed, 10 deletions(-)

Comments

Nilesh Javali Aug. 20, 2021, 5:15 a.m. UTC | #1
Hannes,

> -----Original Message-----
> From: Hannes Reinecke <hare@suse.de>
> Sent: Thursday, August 19, 2021 2:49 PM
> To: Martin K. Petersen <martin.petersen@oracle.com>
> Cc: Christoph Hellwig <hch@lst.de>; James Bottomley
> <james.bottomley@hansenpartnership.com>; Nilesh Javali
> <njavali@marvell.com>; linux-scsi@vger.kernel.org; Hannes Reinecke
> <hare@suse.de>
> Subject: [EXT] [PATCH 1/3] qla2xxx: Do not call fc_block_scsi_eh() during bus
> reset
> 
> External Email
> 
> ----------------------------------------------------------------------
> When calling bus reset the driver will be doing a full SAN resync
> anyway, so there is no need to wait for any pending RSCNs; they'll
> be re-issued during resync anyway.
> 
> Signed-off-by: Hannes Reinecke <hare@suse.de>
> Cc: Nilesh Javali <njavali@marvell.com>
> ---
>  drivers/scsi/qla2xxx/qla_os.c | 10 ----------
>  1 file changed, 10 deletions(-)
> 
> diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
> index 868037c7d608..54254bd3a7d7 100644
> --- a/drivers/scsi/qla2xxx/qla_os.c
> +++ b/drivers/scsi/qla2xxx/qla_os.c
> @@ -1499,7 +1499,6 @@ static int
>  qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
>  {
>  	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
> -	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
>  	int ret = FAILED;
>  	unsigned int id;
>  	uint64_t lun;
> @@ -1515,15 +1514,6 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
>  	id = cmd->device->id;
>  	lun = cmd->device->lun;
> 
> -	if (!fcport) {
> -		return ret;
> -	}
> -
> -	ret = fc_block_scsi_eh(cmd);
> -	if (ret != 0)
> -		return ret;
> -	ret = FAILED;
> -
>  	if (qla2x00_chip_is_down(vha))
>  		return ret;
> 
> --
> 2.29.2

Thanks for the patches.
Reviewed-by: Nilesh Javali <njavali@marvell.com>
Martin K. Petersen Aug. 24, 2021, 3:06 a.m. UTC | #2
Hannes,

> When calling bus reset the driver will be doing a full SAN resync
> anyway, so there is no need to wait for any pending RSCNs; they'll be
> re-issued during resync anyway.

Applied to 5.15/scsi-staging, thanks!
diff mbox series

Patch

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 868037c7d608..54254bd3a7d7 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1499,7 +1499,6 @@  static int
 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 {
 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
-	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 	int ret = FAILED;
 	unsigned int id;
 	uint64_t lun;
@@ -1515,15 +1514,6 @@  qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
 	id = cmd->device->id;
 	lun = cmd->device->lun;
 
-	if (!fcport) {
-		return ret;
-	}
-
-	ret = fc_block_scsi_eh(cmd);
-	if (ret != 0)
-		return ret;
-	ret = FAILED;
-
 	if (qla2x00_chip_is_down(vha))
 		return ret;