[Linux] Filesystem mounts

[Danny Rathjens]

Robert Citek wrote:
> On Mon, Feb 25, 2008 at 9:47 AM,  <kwan@digitalhermit.com> wrote:
>>  Question is, without unmount /foo/bar, how can I view the directory
>>  contents of the mount point /foo/bar.
> 
> This might help.  man mount:
> 
>        Since Linux 2.5.1 it is possible to atomically move a mounted
> tree to another place. The call is
>               mount --move olddir newdir
> 
I'm confused as to why you can't just unmount and recover any data coincidentally
not overwritten and mount it again.