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scsi: qla2xxx: Fix losing FCP-2 targets on long port disable with I/Os 

FCP-2 devices were not coming back online once they were lost, login
retries exhausted, and then came back up.  Fix this by accepting RSCN when
the device is not online.

Link: https://lore.kernel.org/r/20220616053508.27186-10-njavali@marvell.com
Fixes: 44c57f2058 ("scsi: qla2xxx: Changes to support FCP2 Target")
Cc: stable@vger.kernel.org
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Arun Easi 2022-06-15 22:35:06 -07:00 committed by Martin K. Petersen
parent f12d2d130e
commit 2416ccd381
1 changed files with 8 additions and 4 deletions
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12
drivers/scsi/qla2xxx/qla_init.c
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@ -1832,7 +1832,8 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
case RSCN_PORT_ADDR:
fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
if (fcport) {
if (fcport->flags & FCF_FCP2_DEVICE) {
if (fcport->flags & FCF_FCP2_DEVICE &&
atomic_read(&fcport->state) == FCS_ONLINE) {
ql_dbg(ql_dbg_disc, vha, 0x2115,
"Delaying session delete for FCP2 portid=%06x %8phC ",
fcport->d_id.b24, fcport->port_name);
@ -1864,7 +1865,8 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
break;
case RSCN_AREA_ADDR:
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (fcport->flags & FCF_FCP2_DEVICE)
if (fcport->flags & FCF_FCP2_DEVICE &&
atomic_read(&fcport->state) == FCS_ONLINE)
continue;
if ((ea->id.b24 & 0xffff00) == (fcport->d_id.b24 & 0xffff00)) {
@ -1875,7 +1877,8 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
break;
case RSCN_DOM_ADDR:
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (fcport->flags & FCF_FCP2_DEVICE)
if (fcport->flags & FCF_FCP2_DEVICE &&
atomic_read(&fcport->state) == FCS_ONLINE)
continue;
if ((ea->id.b24 & 0xff0000) == (fcport->d_id.b24 & 0xff0000)) {
@ -1887,7 +1890,8 @@ void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
case RSCN_FAB_ADDR:
default:
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (fcport->flags & FCF_FCP2_DEVICE)
if (fcport->flags & FCF_FCP2_DEVICE &&
atomic_read(&fcport->state) == FCS_ONLINE)
continue;
fcport->scan_needed = 1;