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sam

And last but in no way least, GNU coreutils 9.0 defaults to --reflink=auto for cp and install.

Let me know if there's other software out there which supports this transparently.

3 comments
sam

Reflinks aren't particularly new, and nor is copy_file_range or even sendfile (see the GCC commits), but it's interesting how often these improvements are sittong on the table waiting for someone to claim them.

Check the guts of your favourite libraries, you might be surprised!

sam

Bonus: I should say, zfs doesn't yet support this in a release on Linux, surprisingly.

Support was recently added on master in github.com/openzfs/zfs/pull/13 but only for FreeBSD. I believe Linux support is in the works.

sam

Bonus2: Portage >=3.0.48 won't overwrite identical files on the target filesystem as well: bugs.gentoo.org/722270. Thanks to Michael Egger for the contribution!

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