On Fri, 16 Jun 2006, Dave Hansen wrote:
The following series implements read-only bind mounts. This feature
allows a read-only view into a read-write filesystem.
Thanks, I like this idea very much. I think I have found at least one good
use for it even before it is merged. :-)
But...
One note: the previous patches all worked this way:
mount --bind -o ro /source /dest
These patches have changed that behavior. It now requires two steps:
mount --bind /source /dest
mount -o remount,ro /dest
Isn't this some kind of security risk (at least in my planned use)? I mean
- for a small fraction of second somebody seeing /dest can write
/source... No?
Thanks,
Grzegorz Kulewski
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