On Mon, 10 Sep 2012 03:47:04 +0200 (CEST) Jan Engelhardt <jengelh@xxxxxxx> wrote: > > On Wednesday 2012-08-15 17:48, Miklos Szeredi wrote: > >[...] > >+This is most obvious from the 'st_dev' field returned by stat(2). > >+ > >+While directories will report an st_dev from the overlay-filesystem, > >+all non-directory objects will report an st_dev from the lower or > >+upper filesystem that is providing the object. > > That would seem to render `rsync --one-filesystem` unusable? > (or similar options in other tools) > Would it? Have you tested? or examine source code? or just guessed? I quick look at rsync and du suggest that you only consider --one-file-system when looking at a directory - they assume files are in the same filesystem as their parent. I cannot promise that everything would work exactly as expected, but I suspect most things will..... though that might depend on your expectations. NeilBrown
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