Hole-punching, TRIM, etc

[Poul-Henning Kamp]

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In message <CANCZdfp5UDcH-SLDVvvhkB0dTnhuP0tZ8YT0tUJkF8egAZgYuA at mail.gmail.com>
, Warner Losh writes:

>On a raw device it would be translated into a BIO_DELETE command directly,
>correct?

We already have ioctl(DIOCGDELETE) for that.  newfs(8) uses it.

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Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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