Re: About /etc/mtab and /proc/mounts

Jamie Lokier
2003-03-04T23:53:34Z

Kasper Dupont wrote:
> > For KDE 3.1 I've written a mount watcher, which checks the modification
> > time of the /etc/mtab to recognize mount/unmount activity, which broke
> > for linux from scratch( for now, they have updated there install
> > instructions), because they linked to /proc/mounts, which doesn't seem
> > to support mtime.
>
> It seems the mtime of anything under /proc simply gives the current time.
> Would that be hard to change? And would anything break if /proc/mounts
> gave the time of the last change? It shouldn't be a major problem to
> record the time of the last sucessfull mount, remount, or unmount.

It would be much better if it were possible to use
fcntl(?,F_NOTIFY,...) to monitor the contents of /proc/mounts. (It
would have to be in a subdirectory of its own for this).

-- Jamie