[SCSI] qla2xxx: Log fcport state transitions when debug messages are enabled.
Add the inline function qla2x00_set_port_state() so that when a fcport state
transition happens we can log the state transition if debug messages are
enabled.
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
index 4d17e70..4c8167e 100644
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -83,3 +83,22 @@
}
INIT_LIST_HEAD(&((struct crc_context *)sp->ctx)->dsd_list);
}
+
+static inline void
+qla2x00_set_fcport_state(fc_port_t *fcport, int state)
+{
+ int old_state;
+
+ old_state = atomic_read(&fcport->state);
+ atomic_set(&fcport->state, state);
+
+ /* Don't print state transitions during initial allocation of fcport */
+ if (old_state && old_state != state) {
+ DEBUG(qla_printk(KERN_WARNING, fcport->vha->hw,
+ "scsi(%ld): FCPort state transitioned from %s to %s - "
+ "portid=%02x%02x%02x.\n", fcport->vha->host_no,
+ port_state_str[old_state], port_state_str[state],
+ fcport->d_id.b.domain, fcport->d_id.b.area,
+ fcport->d_id.b.al_pa));
+ }
+}