On Mon, 2015-12-14 at 15:27 -0500, Austin S. Hemmelgarn wrote: > On 2015-12-14 14:39, Christoph Anton Mitterer wrote: > > On Mon, 2015-12-14 at 09:24 -0500, Austin S. Hemmelgarn wrote: > > > Unless things have changed very recently, even many modern > > > systems > > > update atime on read-only filesystems, unless the media itself is > > > read-only. > > Seriously? Oh... *sigh*... > > You mean as in Linux, ext*, xfs? > Possibly, I know that Windows 7 does it, and I think OS X and OpenBSD > do > it, but I'm not sure about Linux. I've just checked it via loopback image and strictatime: - ro snapshot doesn't get atime updated - rw snapshot does atime get update - ro mounted fs (top level subvol) doesn't get atimes updated (neither in subvols) - rw mounted fs (top level subvol) does get atimes updated Cheers, Chris.
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