GNU bug report logs - #15328
Bug or dubious feature?

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: L A Walsh <coreutils <at> tlinx.org>, assafgordon <at> gmail.com, 15328 <at> debbugs.gnu.org
Subject: bug#15328: Bug or dubious feature?
Date: Sun, 20 Jan 2019 10:09:15 -0800

L A Walsh wrote:
> This was a very serious bug that appeared in several
> other areas

Yes, this appears to be a mount problem that affects many programs, not a 
coreutils problem per se.

The discrepancy that you observed between "mv" and "du" could be explained by 
the fact that "mv a/b c/d" changes C and also looks at A's and C's device 
number, whereas "du a/b c/d" needs to look only at A/B's and C/D's device 
number. So I don't see a bug. And anyway, the mount is the real problem here.

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