problem about smbd_smb2_flush_send_queue

[dongleilei]

Hi all:
          I encountered a problem recently. 
          when i copy files from samba share to windows client,  the copy process suddenly hung up waiting for response from samba ser
          when i debug smbd process, i found the program enter here.


in source3/smbd/smb2_server  smbd_smb2_flush_send_queue


 ok = iov_advance(&e->vector, &e->count, ret);
if (!ok) {
return NT_STATUS_INTERNAL_ERROR;
}


if (e->count > 0) {
/* we have more to write */                                enter here
TEVENT_FD_WRITEABLE(xconn->transport.fde);
return NT_STATUS_OK;
}


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my question is : is there any way for smbd to resend the remaining data?
                           why my client hung up for a long time?


peace and happiness