fs: Backport ntfs3
Bugzilla: http://bugzilla.redhat.com/2050956
Backport ntfs3 code from v5.15. Sync with v5.16+ later. Does not enable CONFIG_NTFS3_FS.
Note: I had to manually modify the diff created by git-backport for 6fe78bce as the tool does not properly handle merge commits.
Signed-off-by: Peter Georg peter.georg@physik.uni-regensburg.de