diff options
Diffstat (limited to 'drivers/target/tcm_fc/tfc_sess.c')
| -rw-r--r-- | drivers/target/tcm_fc/tfc_sess.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c index 6659dd36e80..21ce50880c7 100644 --- a/drivers/target/tcm_fc/tfc_sess.c +++ b/drivers/target/tcm_fc/tfc_sess.c @@ -51,7 +51,7 @@ static void ft_sess_delete_all(struct ft_tport *); * Lookup or allocate target local port. * Caller holds ft_lport_lock. */ -static struct ft_tport *ft_tport_create(struct fc_lport *lport) +static struct ft_tport *ft_tport_get(struct fc_lport *lport) { struct ft_tpg *tpg; struct ft_tport *tport; @@ -68,6 +68,7 @@ static struct ft_tport *ft_tport_create(struct fc_lport *lport) if (tport) { tport->tpg = tpg; + tpg->tport = tport; return tport; } @@ -114,7 +115,7 @@ static void ft_tport_delete(struct ft_tport *tport) void ft_lport_add(struct fc_lport *lport, void *arg) { mutex_lock(&ft_lport_lock); - ft_tport_create(lport); + ft_tport_get(lport); mutex_unlock(&ft_lport_lock); } @@ -169,7 +170,6 @@ static struct ft_sess *ft_sess_get(struct fc_lport *lport, u32 port_id) { struct ft_tport *tport; struct hlist_head *head; - struct hlist_node *pos; struct ft_sess *sess; rcu_read_lock(); @@ -178,7 +178,7 @@ static struct ft_sess *ft_sess_get(struct fc_lport *lport, u32 port_id) goto out; head = &tport->hash[ft_sess_hash(port_id)]; - hlist_for_each_entry_rcu(sess, pos, head, hash) { + hlist_for_each_entry_rcu(sess, head, hash) { if (sess->port_id == port_id) { kref_get(&sess->kref); rcu_read_unlock(); @@ -201,10 +201,9 @@ static struct ft_sess *ft_sess_create(struct ft_tport *tport, u32 port_id, { struct ft_sess *sess; struct hlist_head *head; - struct hlist_node *pos; head = &tport->hash[ft_sess_hash(port_id)]; - hlist_for_each_entry_rcu(sess, pos, head, hash) + hlist_for_each_entry_rcu(sess, head, hash) if (sess->port_id == port_id) return sess; @@ -212,7 +211,9 @@ static struct ft_sess *ft_sess_create(struct ft_tport *tport, u32 port_id, if (!sess) return NULL; - sess->se_sess = transport_init_session(); + sess->se_sess = transport_init_session_tags(TCM_FC_DEFAULT_TAGS, + sizeof(struct ft_cmd), + TARGET_PROT_NORMAL); if (IS_ERR(sess->se_sess)) { kfree(sess); return NULL; @@ -253,11 +254,10 @@ static void ft_sess_unhash(struct ft_sess *sess) static struct ft_sess *ft_sess_delete(struct ft_tport *tport, u32 port_id) { struct hlist_head *head; - struct hlist_node *pos; struct ft_sess *sess; head = &tport->hash[ft_sess_hash(port_id)]; - hlist_for_each_entry_rcu(sess, pos, head, hash) { + hlist_for_each_entry_rcu(sess, head, hash) { if (sess->port_id == port_id) { ft_sess_unhash(sess); return sess; @@ -273,12 +273,11 @@ static struct ft_sess *ft_sess_delete(struct ft_tport *tport, u32 port_id) static void ft_sess_delete_all(struct ft_tport *tport) { struct hlist_head *head; - struct hlist_node *pos; struct ft_sess *sess; for (head = tport->hash; head < &tport->hash[FT_SESS_HASH_SIZE]; head++) { - hlist_for_each_entry_rcu(sess, pos, head, hash) { + hlist_for_each_entry_rcu(sess, head, hash) { ft_sess_unhash(sess); transport_deregister_session_configfs(sess->se_sess); ft_sess_put(sess); /* release from table */ @@ -353,7 +352,7 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len, struct ft_node_acl *acl; u32 fcp_parm; - tport = ft_tport_create(rdata->local_port); + tport = ft_tport_get(rdata->local_port); if (!tport) goto not_target; /* not a target for this local port */ @@ -432,19 +431,12 @@ static int ft_prli(struct fc_rport_priv *rdata, u32 spp_len, return ret; } -static void ft_sess_rcu_free(struct rcu_head *rcu) -{ - struct ft_sess *sess = container_of(rcu, struct ft_sess, rcu); - - kfree(sess); -} - static void ft_sess_free(struct kref *kref) { struct ft_sess *sess = container_of(kref, struct ft_sess, kref); transport_deregister_session(sess->se_sess); - call_rcu(&sess->rcu, ft_sess_rcu_free); + kfree_rcu(sess, rcu); } void ft_sess_put(struct ft_sess *sess) |
