[Bug 599162] [NEW] Binding a directory with mount onto another forces mv to copy/delete under every circumstances

Freebirth One freebirth-one at arcor.de
Sun Jun 27 22:47:15 UTC 2010


Public bug reported:

Binary package hint: util-linux

Following circumstances:

I am binding a directory with "mount -o bind directory newdirectory",
which both reside on the same partiton with ext3 as fs.

When I want to move a file from a directory which is on the same
partition like both of the above into newdirectory, it does a full
copy/delete.

I expected only the inode-Entry (?) to change instead of moving the
whole data for moving the file, because the old location as well as the
new location of it are both on the same partition.

I suppose the bind option of mount is messing with this but am not
really sure.

Is this a bug or does it lie it within the design of ext3 and mount?

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: mount 2.17.2-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-22.37~ppa1~loms~lucid-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic i686
Architecture: i386
Date: Mon Jun 28 00:31:36 2010
InstallationMedia: Xubuntu 9.10 "Karmic Koala" - Release i386 (20091028.3)
ProcEnviron:
 LANGUAGE=
 PATH=(custom, user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: util-linux

** Affects: util-linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid

-- 
Binding a directory with mount onto another forces mv to copy/delete under every circumstances
https://bugs.launchpad.net/bugs/599162
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