linux-kernel - Re: [PATCH 05/13] overlayfs: add statfs support

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Message-ID: <7965.1346417273@jrobl>
Date:	Fri, 31 Aug 2012 21:47:53 +0900
From:	"J. R. Okajima" <hooanon05@...oo.co.jp>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	Miklos Szeredi <miklos@...redi.hu>, viro@...IV.linux.org.uk,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	hch@...radead.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, apw@...onical.com, nbd@...nwrt.org,
	neilb@...e.de, hramrach@...trum.cz, jordipujolp@...il.com,
	ezk@....cs.sunysb.edu, ricwheeler@...il.com, dhowells@...hat.com,
	hpj@...la.net, sedat.dilek@...glemail.com, penberg@...nel.org,
	goran.cetusic@...il.com, romain@...bokech.com
Subject: Re: [PATCH 05/13] overlayfs: add statfs support


Ben Hutchings:
> If I'm not mistaken, glibc uses it to implement pathconf(_PC_NAME_MAX),
> which may be used by applications in conjunction with readdir_r().

I agree pathconf(3) depends upon the filesystem type. I've posted about
the _PC_LINK_MAX and statfs(2). See my past post and its thread in detail.

[RFC 0/5] pathconf(3) with _PC_LINK_MAX
<http://marc.info/?l=linux-kernel&m=126008634810706&w=2>


J. R. Okajima

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