On Thu, Dec 27, 2012 at 09:29:37AM -0500, Gene Czarcinski wrote: > OK, this is from inside a shell. I have a btrfs volume or a btrfs > subvolume on some arbitrary mount mount. Is there some way to tell > if it is a btrfs volume or a btrfs subvolume that is mounted?
<nitpick> It's always a subvolume, even if you've mounted the top-level subvolume (which has subvolid=5). </nipick> Right now, no, there isn't any way of telling which subvolume is mounted at a given location. I think that someone has been working on it (David?), but I don't think the patches have seen the light of day yet. > Comment: It sure would be nice if the btrfs man page corresponded > better to the btrfs code. Example, the man page says there is a > "btrfs subvolume show" command. The code disagrees and so does > "btrfs --help" The man page doesn't have that in it on my system. Are you running with an ancient btrfs-progs installation? (Any distribution package with a date before the end of March 2012 is definitely ancient -- there's still some of them out there). Hugo. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- We don't just borrow words; on occasion, English has pursued --- other languages down alleyways to beat them unconscious and rifle their pockets for new vocabulary.
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