Re: What to do about subvolumes?

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On Fri, Dec 03, 2010 at 05:45:26PM -0500, J. Bruce Fields wrote:
> We're using statfs64.fs_fsid for this; I believe that's both stable
> across reboots and distinguishes between subvolumes, so that's OK.

It's a field that doesn't have any useful specification and basically
contains random garbage that a filesystem put into it.  Using it is a
very bad idea.

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