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scsi: qla2xxx: Serialize fc_port alloc in N2N

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For N2N, fc_port struct is created during report id acquisition.  At
later time, the loop resync (fabric, n2n, loop) would trigger the rest
of the login using the created fc_port struct.  The loop resync logic
can trigger another fc_port allocation if the 1st allocation was not
able to execute.  This patch prevents the 2nd allocation trigger.

Link: https://lore.kernel.org/r/20200226224022.24518-15-hmadhani@marvell.com
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran 2020-02-26 14:40:18 -08:00 committed by Martin K. Petersen
parent ab391abdc1
commit 11efe8755d
2 changed files with 3 additions and 3 deletions
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1
drivers/scsi/qla2xxx/qla_init.c
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@ -5147,6 +5147,7 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha)
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
}
return QLA_FUNCTION_FAILED;
}
found_devs = 0;

5
drivers/scsi/qla2xxx/qla_os.c
View File

@ -5203,9 +5203,8 @@ void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
fcport->n2n_flag = 1;
}
fcport->fw_login_state = 0;
/*
* wait link init done before sending login
*/
schedule_delayed_work(&vha->scan.scan_work, 5);
} else {
qla24xx_fcport_handle_login(vha, fcport);
}