BTRFS: Implement some copy relevant helpers.
tree69d2229b8849a34b368a8e9aaedd07784e7f8344
-rw-r--r-- 49 .editorconfig
-rw-r--r-- 225 .gitignore
drwxr-xr-x - 3rdparty
-rw-r--r-- 3971 Jamfile
-rw-r--r-- 4388 Jamrules
-rw-r--r-- 1642 License.md
-rw-r--r-- 7692 ReadMe.Compiling.md
-rw-r--r-- 2277 ReadMe.md
drwxr-xr-x - build
-rwxr-xr-x 33544 configure
drwxr-xr-x - data
drwxr-xr-x - docs
drwxr-xr-x - headers
drwxr-xr-x - src