Re: [bug #14921] find -fstype broken when bind-mounts are used

[James Youngman]

On 5/14/07, Andreas Metzler <address@hidden> wrote:
> Follow-up Comment #9, bug #14921 (project findutils):
>
> Hello,
> Well, lets not call it a bug but a wishlist item. I think a different
> behavior is preferable, with reporting  the "original" /tmp/a as ext3 and the
> bind-mounted "copy" as type none.

I can not see a way to distinguish the filesystem type of a bind mount
to X from the filesystem type of X itself, without reproducing the
symbolic link resolution algorithm in userspace.

> This would allow solving the suggestion in <http://bugs.debian.org/329385>:
>
> | Having a machine with several chroot's and filesystems mounted
> | with bind, these filesystems are searched over and over again.
> | Please add 'none' to PRUNEFS in /etc/updatedb.conf.

Perhaps it's not ideal, but these cases can be solved with
--prunepaths, except for the case of bind mounts to files.

James.