54dbc1517237 ("vfs: hoist the btrfs deduplication ioctl to the vfs") d79bdd52d8be ("vfs: wire up compat ioctl for CLONE/CLONE_RANGE") 04b38d601239 ("vfs: pull btrfs clone API to vfs layer") 3db11b2eecc0 ("btrfs: add .copy_file_range file operation") 29732938a628 ("vfs: add copy_file_range syscall and vfs helper")