[Bug 276106] hexdump(1) is not able to skip on files residing on pseudo-filesystems

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 04 Jan 2024 00:55:30 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=276106

Xin LI <delphij@FreeBSD.org> changed:

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                 CC|                            |delphij@FreeBSD.org

--- Comment #2 from Xin LI <delphij@FreeBSD.org> ---
(In reply to Mark Johnston from comment #1)
> It would seem better for pseudofs-based filesystems to correctly report file sizes

I think this would require a pn_fill() (when !NULL) for every pfs_getattr() and
defeat the purpose of stat() being faster than actually reading the file?  Also
it would diverge from what Linux does (their /proc would have 0-sized files and
the behavior is documented, although I don't have an example of applications
expecting this behavior..)

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