linux-kernel - Re: [PATCH] UBIFS: fill f

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Message-Id: <1220339032.4036.31.camel@sauron>
Date:	Tue, 02 Sep 2008 10:03:52 +0300
From:	Artem Bityutskiy <dedekind@...radead.org>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Adrian Hunter <ext-adrian.hunter@...ia.com>
Subject: Re: [PATCH] UBIFS: fill f_fsid

On Mon, 2008-09-01 at 11:01 -0400, Christoph Hellwig wrote:
> > For btrfs I xor the first 64 bits with the second 64 bits, and put
> > _that_ into f_fsid. You're just putting the first 64 bits in and
> > ignoring the second 64 bits. Neither is really _better_ than the other;
> > you just alter the circumstances in which you get collisions. But I
> > suppose we might as well be consistent about how we do it?
> 
> XFS just puts in the st_dev.  And I can't realy find any useful
> defintion of what it's supposed to b anyway..

For me this means that we should rather do what XFS does for
consistency then.

-- 
Best regards,
Artem Bityutskiy (Битюцкий Артём)

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