Am 05.12.2010 18:07, schrieb Nix:
> mount --move doesn't work as specified in the manpage:
>
> ,----
> | # cd /tmp
> | # mkdir foo
> | # mkdir bar
> | # mount --move foo bar
> | mount: wrong fs type, bad option, bad superblock on /tmp/foo,
> | missing codepage or helper program, or other error
> | In some cases useful info is found in syslog - try
> | dmesg | tail or so
man page says:
The move operation.
Since Linux 2.5.1 it is possible to atomically move a
mounted tree to another place. The call is
mount --move olddir newdir
The magic word is *mounted* I'm afraid, you can only move mountpoints.
> A mount with mount options 'move' doesn't work either. I haven't found
> any way to make a move mount work yet. (This is with kernel 2.6.36 and
> glibc 2.12.1 compiled against it, which certainly both support MS_MOVE
> natively, and have for ages.)
Try this, succeeds here (Linux 2.6.35):
cd /tmp
mkdir foo
mount --bind foo foo
mkdir bar
mount --move foo bar
Though it does not do what you want as you will see foo's content in foo
AND bar.
Regards,
Jakob
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