smbd: Remove MSG_SMB_ASYNC_LEVEL2_BREAK

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

diff --git a/source3/librpc/idl/messaging.idl b/source3/librpc/idl/messaging.idl
index 9d16570aa38eea4fbd8cf35064992c74524aded4..39532f0dd3d959dbdfaa55c0e99be89c099522e4 100644 (file)
--- a/source3/librpc/idl/messaging.idl
+++ b/source3/librpc/idl/messaging.idl
@@ -67,7 +67,7 @@ interface messaging
                MSG_SMB_UNLOCK                  = 0x0305,
                MSG_SMB_BREAK_REQUEST           = 0x0306,
                /* MSG_SMB_BREAK_RESPONSE       = 0x0307,  Obsoleted */
-               MSG_SMB_ASYNC_LEVEL2_BREAK      = 0x0308,
+               /* MSG_SMB_ASYNC_LEVEL2_BREAK   = 0x0308,  Obsoleted */
                /* MSG_SMB_OPEN_RETRY           = 0x0309,  Obsoleted */
                MSG_SMB_KERNEL_BREAK            = 0x030A,
                MSG_SMB_FILE_RENAME             = 0x030B,

diff --git a/source3/smbd/oplock.c b/source3/smbd/oplock.c
index 3eaf1268b87382f35f323dafeb3709fa97c49e8b..d30aa4b3d9f8607dcb7101eecabba6bcbf862a17 100644 (file)
--- a/source3/smbd/oplock.c
+++ b/source3/smbd/oplock.c
@@ -409,88 +409,6 @@ static void send_break_message_smb1(files_struct *fsp, int level)
        }
 }
 
-/*******************************************************************
- This handles the case of a write triggering a break to none
- message on a level2 oplock.
- When we get this message we may be in any of two states :
- NO_OPLOCK, LEVEL_II. We only send a message to
- the client for LEVEL2.
-*******************************************************************/
-
-static void process_oplock_async_level2_break_message(struct messaging_context *msg_ctx,
-                                                     void *private_data,
-                                                     uint32_t msg_type,
-                                                     struct server_id src,
-                                                     DATA_BLOB *data)
-{
-       struct share_mode_entry msg;
-       files_struct *fsp;
-       struct smbd_server_connection *sconn =
-               talloc_get_type_abort(private_data,
-               struct smbd_server_connection);
-       struct server_id self = messaging_server_id(sconn->msg_ctx);
-
-       if (data->data == NULL) {
-               DEBUG(0, ("Got NULL buffer\n"));
-               return;
-       }
-
-       if (data->length != MSG_SMB_SHARE_MODE_ENTRY_SIZE) {
-               DEBUG(0, ("Got invalid msg len %d\n", (int)data->length));
-               return;
-       }
-
-       /* De-linearize incoming message. */
-       message_to_share_mode_entry(&msg, (char *)data->data);
-
-       DEBUG(10, ("Got oplock async level 2 break message from pid %s: "
-                  "%s/%llu\n", server_id_str(talloc_tos(), &src),
-                  file_id_string_tos(&msg.id),
-                  (unsigned long long)msg.share_file_id));
-
-       fsp = initial_break_processing(sconn, msg.id, msg.share_file_id);
-
-       if (fsp == NULL) {
-               /* We hit a race here. Break messages are sent, and before we
-                * get to process this message, we have closed the file. 
-                * No need to reply as this is an async message. */
-               DEBUG(3, ("process_oplock_async_level2_break_message: Did not find fsp, ignoring\n"));
-               return;
-       }
-
-
-       if (fsp->oplock_type == NO_OPLOCK) {
-               /* We already got a "break to none" message and we've handled
-                * it.  just ignore. */
-               DEBUG(3, ("process_oplock_async_level2_break_message: already "
-                         "broken to none, ignoring.\n"));
-               return;
-       }
-
-       /* Ensure we're really at level2 state. */
-       SMB_ASSERT(fsp->oplock_type == LEVEL_II_OPLOCK);
-
-       DEBUG(10,("process_oplock_async_level2_break_message: sending break "
-                 "to none message for %s, file %s\n", fsp_fnum_dbg(fsp),
-                 fsp_str_dbg(fsp)));
-
-       /* Need to wait before sending a break
-          message if we sent ourselves this message. */
-       if (serverid_equal(&self, &src)) {
-               wait_before_sending_break();
-       }
-
-       /* Now send a break to none message to our client. */
-       if (sconn->using_smb2) {
-               send_break_message_smb2(fsp, OPLOCKLEVEL_NONE);
-       } else {
-               send_break_message_smb1(fsp, OPLOCKLEVEL_NONE);
-       }
-
-       /* Async level2 request, don't send a reply, just remove the oplock. */
-       remove_oplock(fsp);
-}
-
 /*******************************************************************
  This handles the generic oplock break message from another smbd.
 *******************************************************************/
@@ -870,8 +788,6 @@ bool init_oplocks(struct smbd_server_connection *sconn)
 
        messaging_register(sconn->msg_ctx, sconn, MSG_SMB_BREAK_REQUEST,
                           process_oplock_break_message);
-       messaging_register(sconn->msg_ctx, sconn, MSG_SMB_ASYNC_LEVEL2_BREAK,
-                          process_oplock_async_level2_break_message);
        messaging_register(sconn->msg_ctx, sconn, MSG_SMB_KERNEL_BREAK,
                           process_kernel_oplock_break);
        return true;