# Re: \[PATCH v6 5/4\] copy\_file\_range.2: New page documenting copy\_file\_range()

- From: Pádraig Brady \<hidden\>
- Date: 2015-10-16 21:42:44 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2015/10/100769
- Thread: https://ratatoskr.run/linux-nfs/2015/10/100762/t.md

```text
It's probably worth mentioning the sparse expansion caveat
in the docs, as it's important and not obvious.

I.E. copy_file_range() could be called from, but would
still benefit from a user space app using a SEEK_{HOLE,DATA} loop.

thanks,
Pádraig.
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