mkfs: new defaults!
no-holes
free-space-tree
DUP for metadata unconditionally
libbtrfsutil: add missing profile defines
libbtrfs: minimize its impact on the other code, refactor and separate implementation where needed, cleanup afterwards, reduced header exports
documentation: introduce sphinx build and RST versions of manual pages, will become the new format and replace asciidoc
fixes: fix warning regarding v1 space cache when only v2 (free space tree) is enabled
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
