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JackSlateur
on Oct 15, 2024
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Accelerating ZFS with Copy Offloading: BRT
tldr: zfs implemented reflinking (in their own way, not through VFS, sadly)
allanjude
on Oct 16, 2024
[–]
There 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.
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