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Re: Supporting reflinked/cow files in coreutils

From: Philipp Thomas
Subject: Re: Supporting reflinked/cow files in coreutils
Date: Fri, 5 Oct 2012 17:10:10 +0200
User-agent: Mutt/1.5.21 (2010-09-15)


* Jeff liu (address@hidden) [20110418 15:54]:

> FYI, I once implemented a similar patch to teach du(1) to show the disk
> footprint with reflinked stuff for OCFS2 only.
> It is make use of rb-tree to figure out the shared extents and calculate the 
> exactly used space eventually.
> I have not submited the patch set to Coreutils since I guess it is hard to
> accept by upstream as reflink and FIEMAP_EXTENT_SHARED flag are not spread
> over the general filesystems.

in this thread Jeff asked you on your opinions regarding such a patch set
but somehow you never responded. Could you possibly do so now as I would
still like something like this to be included upstream.


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