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path: root/drivers/scsi/libfc/fc_disc.c
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Diffstat (limited to 'drivers/scsi/libfc/fc_disc.c')
-rw-r--r--drivers/scsi/libfc/fc_disc.c39
1 files changed, 17 insertions, 22 deletions
diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c
index c7985da8809..32f67c4b03f 100644
--- a/drivers/scsi/libfc/fc_disc.c
+++ b/drivers/scsi/libfc/fc_disc.c
@@ -63,27 +63,25 @@ static void fc_disc_restart(struct fc_disc *);
void fc_disc_stop_rports(struct fc_disc *disc)
{
struct fc_lport *lport;
- struct fc_rport_priv *rdata, *next;
+ struct fc_rport_priv *rdata;
- lport = disc->lport;
+ lport = fc_disc_lport(disc);
mutex_lock(&disc->disc_mutex);
- list_for_each_entry_safe(rdata, next, &disc->rports, peers)
+ list_for_each_entry_rcu(rdata, &disc->rports, peers)
lport->tt.rport_logoff(rdata);
mutex_unlock(&disc->disc_mutex);
}
/**
* fc_disc_recv_rscn_req() - Handle Registered State Change Notification (RSCN)
- * @sp: The sequence of the RSCN exchange
+ * @disc: The discovery object to which the RSCN applies
* @fp: The RSCN frame
- * @lport: The local port that the request will be sent on
*
* Locking Note: This function expects that the disc_mutex is locked
* before it is called.
*/
-static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
- struct fc_disc *disc)
+static void fc_disc_recv_rscn_req(struct fc_disc *disc, struct fc_frame *fp)
{
struct fc_lport *lport;
struct fc_els_rscn *rp;
@@ -96,7 +94,7 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
LIST_HEAD(disc_ports);
struct fc_disc_port *dp, *next;
- lport = disc->lport;
+ lport = fc_disc_lport(disc);
FC_DISC_DBG(disc, "Received an RSCN event\n");
@@ -151,7 +149,7 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
break;
}
}
- lport->tt.seq_els_rsp_send(sp, ELS_LS_ACC, NULL);
+ lport->tt.seq_els_rsp_send(fp, ELS_LS_ACC, NULL);
/*
* If not doing a complete rediscovery, do GPN_ID on
@@ -177,25 +175,22 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
return;
reject:
FC_DISC_DBG(disc, "Received a bad RSCN frame\n");
- rjt_data.fp = NULL;
rjt_data.reason = ELS_RJT_LOGIC;
rjt_data.explan = ELS_EXPL_NONE;
- lport->tt.seq_els_rsp_send(sp, ELS_LS_RJT, &rjt_data);
+ lport->tt.seq_els_rsp_send(fp, ELS_LS_RJT, &rjt_data);
fc_frame_free(fp);
}
/**
* fc_disc_recv_req() - Handle incoming requests
- * @sp: The sequence of the request exchange
- * @fp: The request frame
* @lport: The local port receiving the request
+ * @fp: The request frame
*
* Locking Note: This function is called from the EM and will lock
* the disc_mutex before calling the handler for the
* request.
*/
-static void fc_disc_recv_req(struct fc_seq *sp, struct fc_frame *fp,
- struct fc_lport *lport)
+static void fc_disc_recv_req(struct fc_lport *lport, struct fc_frame *fp)
{
u8 op;
struct fc_disc *disc = &lport->disc;
@@ -204,7 +199,7 @@ static void fc_disc_recv_req(struct fc_seq *sp, struct fc_frame *fp,
switch (op) {
case ELS_RSCN:
mutex_lock(&disc->disc_mutex);
- fc_disc_recv_rscn_req(sp, fp, disc);
+ fc_disc_recv_rscn_req(disc, fp);
mutex_unlock(&disc->disc_mutex);
break;
default:
@@ -275,7 +270,7 @@ static void fc_disc_start(void (*disc_callback)(struct fc_lport *,
*/
static void fc_disc_done(struct fc_disc *disc, enum fc_disc_event event)
{
- struct fc_lport *lport = disc->lport;
+ struct fc_lport *lport = fc_disc_lport(disc);
struct fc_rport_priv *rdata;
FC_DISC_DBG(disc, "Discovery complete\n");
@@ -292,7 +287,7 @@ static void fc_disc_done(struct fc_disc *disc, enum fc_disc_event event)
* Skip ports which were never discovered. These are the dNS port
* and ports which were created by PLOGI.
*/
- list_for_each_entry(rdata, &disc->rports, peers) {
+ list_for_each_entry_rcu(rdata, &disc->rports, peers) {
if (!rdata->disc_id)
continue;
if (rdata->disc_id == disc->disc_id)
@@ -313,7 +308,7 @@ static void fc_disc_done(struct fc_disc *disc, enum fc_disc_event event)
*/
static void fc_disc_error(struct fc_disc *disc, struct fc_frame *fp)
{
- struct fc_lport *lport = disc->lport;
+ struct fc_lport *lport = fc_disc_lport(disc);
unsigned long delay = 0;
FC_DISC_DBG(disc, "Error %ld, retries %d/%d\n",
@@ -353,7 +348,7 @@ static void fc_disc_error(struct fc_disc *disc, struct fc_frame *fp)
static void fc_disc_gpn_ft_req(struct fc_disc *disc)
{
struct fc_frame *fp;
- struct fc_lport *lport = disc->lport;
+ struct fc_lport *lport = fc_disc_lport(disc);
WARN_ON(!fc_lport_test_ready(lport));
@@ -396,7 +391,7 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len)
struct fc_rport_identifiers ids;
struct fc_rport_priv *rdata;
- lport = disc->lport;
+ lport = fc_disc_lport(disc);
disc->seq_count++;
/*
@@ -733,7 +728,7 @@ int fc_disc_init(struct fc_lport *lport)
mutex_init(&disc->disc_mutex);
INIT_LIST_HEAD(&disc->rports);
- disc->lport = lport;
+ disc->priv = lport;
return 0;
}