On Jan 15, 2014, at 1:12 AM, Zheng Liu <gnehzuil.liu@xxxxxxxxx> wrote: > On Mon, Dec 23, 2013 at 12:42:22PM +1100, Dave Chinner wrote: >> I'd also strongly suggest that you use the XFS userspace quota API >> for managing project quotas, so that we can use the same management >> tools and tests to verify that they behave the same. Please don't >> invent a new version of the quota API to implement this - everything >> you need ifor managing project/directory quotas is already there in >> xfs_quota..... > > Frankly, I don't like this, really. Now we have quota-tool to manage > the quota in ext4. So IMHO we'd better go on using this tool because it > is natural for ext4 users. I still couldn't accept this fact that I > need to install xfsprogs for using a feature of ext4. Further, it could > make users puzzled because they use quota to control user/group quota in > ext4, but it uses xfs_quota to control project quota. It could bring > some troubles for the ext4 users who have written some scripts to manage > their machines. Please see Li Xi's recent email "Directory/Project quota supports" on the linux-ext4 list. He has already added some prototype support for project quotas to quota-tools. I think it might make sense to keep the same API as XFS for the ext4 quotas (to keep compatibility for existing XFS deployments), but add support into quota-tools so that it is usable by all filesystems. Cheers, Andreas
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