Re: Supporting reflinked/cow files in coreutils

[Philipp Thomas]

Jim,

* 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.
> http://oss.oracle.com/pipermail/ocfs2-devel/2010-September/007293.html
> http://oss.oracle.com/pipermail/ocfs2-devel/2010-September/007288.html
> http://oss.oracle.com/pipermail/ocfs2-devel/2010-September/007287.html
> 
> 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.

regards
Philipp