Merge tag '5.18-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6

Merge tag '5.18-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6

Pull cfis updates from Steve French:
 "Handlecache,  unmount, fiemap and two reconnect fixes"

* tag '5.18-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: use a different reconnect helper for non-cifsd threads
  cifs: we do not need a spinlock around the tree access during umount
  Adjust cifssb maximum read size
  cifs: truncate the inode and mapping when we simulate fcollapse
  cifs: fix handlecache and multiuser