diff options
Diffstat (limited to 'fs/ocfs2/cluster')
-rw-r--r-- | fs/ocfs2/cluster/tcp.c | 12 | ||||
-rw-r--r-- | fs/ocfs2/cluster/tcp.h | 6 | ||||
-rw-r--r-- | fs/ocfs2/cluster/tcp_internal.h | 2 |
3 files changed, 18 insertions, 2 deletions
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c index ae4ff4a6636b..7700418d25ec 100644 --- a/fs/ocfs2/cluster/tcp.c +++ b/fs/ocfs2/cluster/tcp.c @@ -688,6 +688,7 @@ static void o2net_handler_put(struct o2net_msg_handler *nmh) * be given to the handler if their payload is longer than the max. */ int o2net_register_handler(u32 msg_type, u32 key, u32 max_len, o2net_msg_handler_func *func, void *data, + o2net_post_msg_handler_func *post_func, struct list_head *unreg_list) { struct o2net_msg_handler *nmh = NULL; @@ -722,6 +723,7 @@ int o2net_register_handler(u32 msg_type, u32 key, u32 max_len, nmh->nh_func = func; nmh->nh_func_data = data; + nmh->nh_post_func = post_func; nmh->nh_msg_type = msg_type; nmh->nh_max_len = max_len; nmh->nh_key = key; @@ -1049,6 +1051,7 @@ static int o2net_process_message(struct o2net_sock_container *sc, int ret = 0, handler_status; enum o2net_system_error syserr; struct o2net_msg_handler *nmh = NULL; + void *ret_data = NULL; msglog(hdr, "processing message\n"); @@ -1101,7 +1104,7 @@ static int o2net_process_message(struct o2net_sock_container *sc, sc->sc_msg_type = be16_to_cpu(hdr->msg_type); handler_status = (nmh->nh_func)(hdr, sizeof(struct o2net_msg) + be16_to_cpu(hdr->data_len), - nmh->nh_func_data); + nmh->nh_func_data, &ret_data); do_gettimeofday(&sc->sc_tv_func_stop); out_respond: @@ -1112,6 +1115,13 @@ out_respond: mlog(0, "sending handler status %d, syserr %d returned %d\n", handler_status, syserr, ret); + if (nmh) { + BUG_ON(ret_data != NULL && nmh->nh_post_func == NULL); + if (nmh->nh_post_func) + (nmh->nh_post_func)(handler_status, nmh->nh_func_data, + ret_data); + } + out: if (nmh) o2net_handler_put(nmh); diff --git a/fs/ocfs2/cluster/tcp.h b/fs/ocfs2/cluster/tcp.h index 21a4e43df836..da880fc215f0 100644 --- a/fs/ocfs2/cluster/tcp.h +++ b/fs/ocfs2/cluster/tcp.h @@ -50,7 +50,10 @@ struct o2net_msg __u8 buf[0]; }; -typedef int (o2net_msg_handler_func)(struct o2net_msg *msg, u32 len, void *data); +typedef int (o2net_msg_handler_func)(struct o2net_msg *msg, u32 len, void *data, + void **ret_data); +typedef void (o2net_post_msg_handler_func)(int status, void *data, + void *ret_data); #define O2NET_MAX_PAYLOAD_BYTES (4096 - sizeof(struct o2net_msg)) @@ -99,6 +102,7 @@ int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *vec, int o2net_register_handler(u32 msg_type, u32 key, u32 max_len, o2net_msg_handler_func *func, void *data, + o2net_post_msg_handler_func *post_func, struct list_head *unreg_list); void o2net_unregister_handler_list(struct list_head *list); diff --git a/fs/ocfs2/cluster/tcp_internal.h b/fs/ocfs2/cluster/tcp_internal.h index 775c911342f4..d74040fac343 100644 --- a/fs/ocfs2/cluster/tcp_internal.h +++ b/fs/ocfs2/cluster/tcp_internal.h @@ -161,6 +161,8 @@ struct o2net_msg_handler { u32 nh_key; o2net_msg_handler_func *nh_func; o2net_msg_handler_func *nh_func_data; + o2net_post_msg_handler_func + *nh_post_func; struct kref nh_kref; struct list_head nh_unregister_item; }; |