CoW stands for "Copy on Write" a system that updates blocks in-place is not is n... | Hacker News

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		aidenn0 on March 2, 2018 \| parent \| context \| favorite \| on: New tricks for XFS: support for subvolumes CoW stands for "Copy on Write" a system that updates blocks in-place is not is not CoW.

viraptor on March 2, 2018 [–]

There's lots of things which are called copy on write, where CoW means really copy-on-deduplication-otherwise-update-in-place. Like qcow2 filesystem. Or Cow type in Rust.

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