Merge tag 'v6.16-rc-part1-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client updates from Steve French:

 - multichannel fixes (mostly reconnect related), and clarification of
   locking documentation

 - automount null pointer check fix

 - fixes to add support for ParentLeaseKey

 - minor cleanup

 - smb1/cifs fixes

* tag 'v6.16-rc-part1-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: update the lock ordering comments with new mutex
  cifs: dns resolution is needed only for primary channel
  cifs: update dstaddr whenever channel iface is updated
  cifs: reset connections for all channels when reconnect requested
  smb: client: use ParentLeaseKey in cifs_do_create
  smb: client: use ParentLeaseKey in open_cached_dir
  smb: client: add ParentLeaseKey support
  cifs: Fix cifs_query_path_info() for Windows NT servers
  cifs: Fix validation of SMB1 query reparse point response
  cifs: Correctly set SMB1 SessionKey field in Session Setup Request
  cifs: Fix encoding of SMB1 Session Setup NTLMSSP Request in non-UNICODE mode
  smb: client: add NULL check in automount_fullpath
  smb: client: Remove an unused function and variable