Re: [d_path 1/7] Fix __d_path() for lazy unmounts and make it unambiguous

Alan Cox
2007-04-20T09:30:10Z

On Fri, 20 Apr 2007 01:23:04 +0200
Andreas Gruenbacher <agruen@suse.de> wrote:

> First, when __d_path() hits a lazily unmounted mount point, it tries to prepend
> the name of the lazily unmounted dentry to the path name. It gets this wrong,
> and also overwrites the slash that separates the name from the following
> pathname component. This patch fixes that; if a process was in directory
> /foo/bar and /foo got lazily unmounted, the old result was ``foobar'' (note the
> missing slash), while the new result with this patch is ``foo/bar''.

ACK the fix

> of ``foobar'' in the example described above. Subsequent patches propose to
> make getcwd() fail instead of reporting unreachable paths like this one and
> hide unreachable mount points from /proc/mounts.

NAK that change of behaviour on the following patches.