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| author |   Sowmini Varadhan <sowmini.varadhan@oracle.com> | 2016-06-13 09:44:31 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-06-14 23:50:42 -0700 |
| commit | 5c3d274c75fbcee8e1c919acf25c7feb19a31492 (patch) | |
| tree | 12a6866c54689336ef1302b981964448eae27c18 /net | |
| parent | RDS: Add rds_send_path_reset() (diff) | |
| download | linux-dev-5c3d274c75fbcee8e1c919acf25c7feb19a31492.tar.xz linux-dev-5c3d274c75fbcee8e1c919acf25c7feb19a31492.zip | |
RDS: Add rds_send_path_drop_acked()
rds_send_path_drop_acked() is the path-specific version of
rds_send_drop_acked() to be invoked by MP capable callers.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/rds/rds.h | 2 | ||||
| -rw-r--r-- | net/rds/send.c | 18 |
2 files changed, 15 insertions, 5 deletions
diff --git a/net/rds/rds.h b/net/rds/rds.h index c3b14ccd7037..d94aa36cab93 100644 --- a/net/rds/rds.h +++ b/net/rds/rds.h @@ -786,6 +786,8 @@ void rds_send_drop_to(struct rds_sock *rs, struct sockaddr_in *dest); typedef int (*is_acked_func)(struct rds_message *rm, uint64_t ack); void rds_send_drop_acked(struct rds_connection *conn, u64 ack, is_acked_func is_acked); +void rds_send_path_drop_acked(struct rds_conn_path *cp, u64 ack, + is_acked_func is_acked); int rds_send_pong(struct rds_connection *conn, __be16 dport); struct rds_message *rds_send_get_message(struct rds_connection *, struct rm_rdma_op *); diff --git a/net/rds/send.c b/net/rds/send.c index bfb3e0530213..3f6a96cb3b94 100644 --- a/net/rds/send.c +++ b/net/rds/send.c @@ -691,16 +691,16 @@ unlock_and_drop: * assigned the m_ack_seq yet - but that's fine as long as tcp_is_acked * checks the RDS_MSG_HAS_ACK_SEQ bit. */ -void rds_send_drop_acked(struct rds_connection *conn, u64 ack, - is_acked_func is_acked) +void rds_send_path_drop_acked(struct rds_conn_path *cp, u64 ack, + is_acked_func is_acked) { struct rds_message *rm, *tmp; unsigned long flags; LIST_HEAD(list); - spin_lock_irqsave(&conn->c_lock, flags); + spin_lock_irqsave(&cp->cp_lock, flags); - list_for_each_entry_safe(rm, tmp, &conn->c_retrans, m_conn_item) { + list_for_each_entry_safe(rm, tmp, &cp->cp_retrans, m_conn_item) { if (!rds_send_is_acked(rm, ack, is_acked)) break; @@ -712,11 +712,19 @@ void rds_send_drop_acked(struct rds_connection *conn, u64 ack, if (!list_empty(&list)) smp_mb__after_atomic(); - spin_unlock_irqrestore(&conn->c_lock, flags); + spin_unlock_irqrestore(&cp->cp_lock, flags); /* now remove the messages from the sock list as needed */ rds_send_remove_from_sock(&list, RDS_RDMA_SUCCESS); } +EXPORT_SYMBOL_GPL(rds_send_path_drop_acked); + +void rds_send_drop_acked(struct rds_connection *conn, u64 ack, + is_acked_func is_acked) +{ + WARN_ON(conn->c_trans->t_mp_capable); + rds_send_path_drop_acked(&conn->c_path[0], ack, is_acked); +} EXPORT_SYMBOL_GPL(rds_send_drop_acked); void rds_send_drop_to(struct rds_sock *rs, struct sockaddr_in *dest) |