10.08.2018 10:33, Tomasz Pala пишет: > On Fri, Aug 10, 2018 at 07:03:18 +0300, Andrei Borzenkov wrote: > >>> So - the limit set on any user >> >> Does btrfs support per-user quota at all? I am aware only of per-subvolume >> quotas. > > Well, this is a kind of deceptive word usage in "post-truth" times. > > In this case both "user" and "quota" are not valid... > - by "user" I ment general word, not unix-user account; such user might > possess some container running full-blown guest OS, > - by "quota" btrfs means - I guess, dataset-quotas? > > > In fact: https://btrfs.wiki.kernel.org/index.php/Quota_support > "Quota support in BTRFS is implemented at a subvolume level by the use of > quota groups or qgroup" > > - what the hell is "quota group" and how it differs from qgroup? According to > btrfs-quota(8): > > "The quota groups (qgroups) are managed by the subcommand btrfs qgroup(8)" > > - they are the same... just completely different from traditional "quotas". > > > My suggestion would be to completely remove the standalone "quota" word > from btrfs documentation - there is no "quota", just "subvolume quota" > or "qgroup" supported. >
Well, qgroup allows you to limit amount of data that can be stored in subvolume (or under quota group in general), so it behaves like traditional quota to me.
