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Date:   Mon, 18 Mar 2019 14:35:08 +0530
From:   Gregory Farnum <>
To:     "Yan, Zheng" <>
Cc:     Luis Henriques <>, Sage Weil <>,
        Ilya Dryomov <>,
        ceph-devel <>,
        Linux Kernel Mailing List <>,
        Hendrik Peyerl <>
Subject: Re: [PATCH v2 2/2] ceph: quota: fix quota subdir mounts

On Mon, Mar 18, 2019 at 2:32 PM Yan, Zheng <> wrote:
> After reading the code carefully. I feel a little uncomfortable with
> the "lookup_ino" in get_quota_realm.  how about populating directories
> above the 'mount subdir' during mounting (similar to cifs_get_root ).

Isn't that going to be a problem for any clients which have restricted
filesystem access permissions? They may not be able to see all the
directories above their mount point.

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