diff options
Diffstat (limited to 'net/rds/transport.c')
| -rw-r--r-- | net/rds/transport.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/net/rds/transport.c b/net/rds/transport.c index 767da61ad2f..7e106790135 100644 --- a/net/rds/transport.c +++ b/net/rds/transport.c @@ -37,7 +37,7 @@ #include "rds.h" #include "loop.h" -static LIST_HEAD(rds_transports); +static struct rds_transport *transports[RDS_TRANS_COUNT]; static DECLARE_RWSEM(rds_trans_sem); int rds_trans_register(struct rds_transport *trans) @@ -46,36 +46,44 @@ int rds_trans_register(struct rds_transport *trans) down_write(&rds_trans_sem); - list_add_tail(&trans->t_item, &rds_transports); - printk(KERN_INFO "Registered RDS/%s transport\n", trans->t_name); + if (transports[trans->t_type]) + printk(KERN_ERR "RDS Transport type %d already registered\n", + trans->t_type); + else { + transports[trans->t_type] = trans; + printk(KERN_INFO "Registered RDS/%s transport\n", trans->t_name); + } up_write(&rds_trans_sem); return 0; } +EXPORT_SYMBOL_GPL(rds_trans_register); void rds_trans_unregister(struct rds_transport *trans) { down_write(&rds_trans_sem); - list_del_init(&trans->t_item); + transports[trans->t_type] = NULL; printk(KERN_INFO "Unregistered RDS/%s transport\n", trans->t_name); up_write(&rds_trans_sem); } +EXPORT_SYMBOL_GPL(rds_trans_unregister); struct rds_transport *rds_trans_get_preferred(__be32 addr) { - struct rds_transport *trans; struct rds_transport *ret = NULL; + int i; if (IN_LOOPBACK(ntohl(addr))) return &rds_loop_transport; down_read(&rds_trans_sem); - list_for_each_entry(trans, &rds_transports, t_item) { - if (trans->laddr_check(addr) == 0) { - ret = trans; + for (i = 0; i < RDS_TRANS_COUNT; i++) + { + if (transports[i] && (transports[i]->laddr_check(addr) == 0)) { + ret = transports[i]; break; } } @@ -97,12 +105,15 @@ unsigned int rds_trans_stats_info_copy(struct rds_info_iterator *iter, struct rds_transport *trans; unsigned int total = 0; unsigned int part; + int i; rds_info_iter_unmap(iter); down_read(&rds_trans_sem); - list_for_each_entry(trans, &rds_transports, t_item) { - if (trans->stats_info_copy == NULL) + for (i = 0; i < RDS_TRANS_COUNT; i++) + { + trans = transports[i]; + if (!trans || !trans->stats_info_copy) continue; part = trans->stats_info_copy(iter, avail); |