diff options
| -rw-r--r-- | drivers/scsi/libfc/fc_disc.c | 31 | ||||
| -rw-r--r-- | include/scsi/libfc.h | 1 |
2 files changed, 12 insertions, 20 deletions
diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index bbea41e50a5..736f9174206 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -49,7 +49,7 @@ static void fc_disc_gpn_ft_req(struct fc_disc *); static void fc_disc_gpn_ft_resp(struct fc_seq *, struct fc_frame *, void *); static int fc_disc_new_target(struct fc_disc *, struct fc_rport_priv *, struct fc_rport_identifiers *); -static void fc_disc_done(struct fc_disc *); +static void fc_disc_done(struct fc_disc *, enum fc_disc_event); static void fc_disc_timeout(struct work_struct *); static void fc_disc_single(struct fc_disc *, struct fc_disc_port *); static void fc_disc_restart(struct fc_disc *); @@ -329,8 +329,7 @@ static void fc_disc_start(void (*disc_callback)(struct fc_lport *, if (rdata) { kref_get(&rdata->kref); if (!fc_disc_new_target(disc, rdata, &rdata->ids)) { - disc->event = DISC_EV_SUCCESS; - fc_disc_done(disc); + fc_disc_done(disc, DISC_EV_SUCCESS); } kref_put(&rdata->kref, rdata->local_port->tt.rport_destroy); } else { @@ -404,20 +403,18 @@ static int fc_disc_new_target(struct fc_disc *disc, /** * fc_disc_done() - Discovery has been completed * @disc: FC discovery context + * @event: discovery completion status + * * Locking Note: This function expects that the disc mutex is locked before * it is called. The discovery callback is then made with the lock released, * and the lock is re-taken before returning from this function */ -static void fc_disc_done(struct fc_disc *disc) +static void fc_disc_done(struct fc_disc *disc, enum fc_disc_event event) { struct fc_lport *lport = disc->lport; - enum fc_disc_event event; FC_DISC_DBG(disc, "Discovery complete\n"); - event = disc->event; - disc->event = DISC_EV_NONE; - if (disc->requested) fc_disc_gpn_ft_req(disc); else @@ -460,11 +457,8 @@ static void fc_disc_error(struct fc_disc *disc, struct fc_frame *fp) } disc->retry_count++; schedule_delayed_work(&disc->disc_work, delay); - } else { - /* exceeded retries */ - disc->event = DISC_EV_FAILED; - fc_disc_done(disc); - } + } else + fc_disc_done(disc, DISC_EV_FAILED); } } @@ -503,10 +497,12 @@ err: } /** - * fc_disc_gpn_ft_parse() - Parse the list of IDs and names resulting from a request + * fc_disc_gpn_ft_parse() - Parse the body of the dNS GPN_FT response. * @lport: Fibre Channel host port instance * @buf: GPN_FT response buffer * @len: size of response buffer + * + * Goes through the list of IDs and names resulting from a request. */ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len) { @@ -577,8 +573,7 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len) } if (np->fp_flags & FC_NS_FID_LAST) { - disc->event = DISC_EV_SUCCESS; - fc_disc_done(disc); + fc_disc_done(disc, DISC_EV_SUCCESS); len = 0; break; } @@ -669,8 +664,7 @@ static void fc_disc_gpn_ft_resp(struct fc_seq *sp, struct fc_frame *fp, FC_DISC_DBG(disc, "GPN_FT rejected reason %x exp %x " "(check zoning)\n", cp->ct_reason, cp->ct_explan); - disc->event = DISC_EV_FAILED; - fc_disc_done(disc); + fc_disc_done(disc, DISC_EV_FAILED); } else { FC_DISC_DBG(disc, "GPN_FT unexpected response code " "%x\n", ntohs(cp->ct_cmd)); @@ -782,7 +776,6 @@ int fc_disc_init(struct fc_lport *lport) disc->lport = lport; disc->delay = FC_DISC_DELAY; - disc->event = DISC_EV_NONE; return 0; } diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index bf4b1c2ec60..f3f320f1d39 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -679,7 +679,6 @@ struct fc_disc { unsigned char requested; unsigned short seq_count; unsigned char buf_len; - enum fc_disc_event event; void (*disc_callback)(struct fc_lport *, enum fc_disc_event); |