linux-kernel - Re: [PATCH] uml/hostfs: Propagate dirent.d

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Message-ID: <20120127182016.GA15705@infradead.org>
Date:	Fri, 27 Jan 2012 13:20:17 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Richard Weinberger <richard@....at>,
	user-mode-linux-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] uml/hostfs: Propagate dirent.d_type to filldir()

On Fri, Jan 27, 2012 at 07:14:58PM +0100, Geert Uytterhoeven wrote:
> Currently the (optional) d_type member in struct dirent is always
> DT_UNKNOWN on hostfs, which may confuse buggy software using readdir().
> Make sure to propagate its value from the underlying filesystem if it's
> available there.

What software would that be?  We have lots of filesystems not filling
in d_type, and several operating systems don't have it at all.

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