[Dovecot] fs quota on xfs dir tree? is this implemented?

[Timo Sirainen]

On Fri, 2009-03-06 at 18:54 +0000, Pawel Eljasz wrote:
> basically, following wiki I set up a simple fs quotas
> when a tree reaches the limit, dovecot notices it, rejects with: Not 
> enough disk space
> now question is, is it intentional what dovecot does - if yes how to 
> implement fs-xfs quota warnings?
> 
> or is it what dovecot was designed to do in case of such a eventuality 
> like out of space thing?
> my guess, dovecot handles above situations anyway - scenario run: with 
> no quota plugins

Yes, it does that even without quota plugin loaded, because the kernel
returns EDQUOT failures for syscalls. To get current quota usage and
quota warnings working, the quota-fs.c code would have to know about the
XFS directory quotas. You're welcome to write the code for it, but it's
a very low priority for me.

> this is nice feature of xfs, do not know if other fs do it, that is so! 
> useful in scenario with vusers, or, would be :)

Usually people use virtual quotas (Maildir++, dict) for virtual users.
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