On Feb 09 08:09 PM, Chris Mason wrote:
> Sorry to say that I won't have time to read through this in the morning,
> but this is a pretty hefty task for a first patch. Thanks for taking it
> on and posting this work!
No worries... I just wanted to learn more about btrfs... so it seemed
like a good project, especially if nobody else is working on it.
I don't think my patch actually works correctly, but I'm hoping someone
who understands both the VFS and btrfs can fix it up or at least use it
as a starting point.
--
Quick question about the root_refs for you or anyone else on the list.
Let's say we have:
base/s1
where base is a subvolume and s1 is a snapshot. So base has a root_ref
to s1 and s1 has a back_ref to base in the tree root.
Now let's say we make a snapshot of base so we have:
base/s1
base.snap/s1
So we have s1, the same tree root referenced in two separate snapshots.
Now should s1 should now have two back_refs, one to base and one to
base.snap? Also base.snap show have a root_ref to s1?
That doesn't seem to happen with the current snapshotting code, unless
I'm missing something... I'm happy to try to add a patch if that is
indeed what should happen...
Regards,
=a=
--
===================
Aaron Straus
[email protected]
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