3 ms·
tldr: zfs implemented reflinking (in their own way, not through VFS, sadly)
by JackSlateur 2y ago
tldr: zfs implemented reflinking (in their own way, not through VFS, sadly)
- allanjude 2y agoThere are advantages to doing the cloning at the block level, rather than the VFS layer. The feature was originally written for FreeBSD using the copy_file_range() syscall, then extended to work with the existing interfaces in Linux from btrfs.