On Tue, May 17, 2016 at 8:28 AM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
> On Mon, May 16, 2016 at 09:07:27AM -0400, Vivek Goyal wrote:
>> So it became clear that we need a check at mount time to make sure
>> d_type is supported otherwise error out. This will require users to
>> do mkfs.xfs with ftype=1 to make progress.
>>
>> I think new defaults for mkfs.xfs are such that ftype=1 is set. I am
>> not sure which version that change was made in.
>
> Dumb question - can we end up with empty workdir at that point? Because
> if we do, the check would appear to return a false negative, no matter
> what fs supports...
ovl_workdir_create() creates a subdirectory of workdir ("work") so
workdir itself won't be empty after that. If somebody else messes
with workdir, then we are screwed anyway.
Thanks,
Miklos
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