Merge tag 'v6.18-rc2-smb-server-fixes' of git://git.samba.org/ksmbd

Pull smb server fixes from Steve French:
 "smbdirect (RDMA) fixes in order avoid potential submission queue
  overflows:

   - free transport teardown fix

   - credit related fixes (five server related, one client related)"

* tag 'v6.18-rc2-smb-server-fixes' of git://git.samba.org/ksmbd:
  smb: server: let free_transport() wait for SMBDIRECT_SOCKET_DISCONNECTED
  smb: client: make use of smbdirect_socket.send_io.lcredits.*
  smb: server: make use of smbdirect_socket.send_io.lcredits.*
  smb: server: simplify sibling_list handling in smb_direct_flush_send_list/send_done
  smb: server: smb_direct_disconnect_rdma_connection() already wakes all waiters on error
  smb: smbdirect: introduce smbdirect_socket.send_io.lcredits.*
  smb: server: allocate enough space for RW WRs and ib_drain_qp()