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Subject: Re: [PATCH] UBIFS: add ksa_pos to replay buds, read when replaying
From: Artem Bityutskiy <dedekind1@gmail.com>
To: Joel Reardon <joel@clambassador.com>
Date: Sun, 20 May 2012 21:40:15 +0300
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On Sun, 2012-05-20 at 14:28 +0200, Joel Reardon wrote:
> This patch read the ksa_pos from data nodes to the replay buds when perfo=
rming
> a replay after unclean commit. This is critical for the correctness of th=
e key
> state map, because the keys that are assigned to uncommited data nodes wi=
ll be
> considered "unused" after mounting but will be considered "used" after
> replaying. The ksa_pos values stored in the replay bud are passed to the =
TNC
> using ubifs_tnc_add.
>=20
> This was tested by assigning distinct ksa_pos values and disabling commit=
ing.
> Data was written and then the drive was remounted. The ksa_pos values wer=
e
> read from the journal and outputted while replaying. When the file was la=
ter
> read, it was confirmed that the ksa_pos values were already loaded into t=
he
> TNC.
>=20
> Signed-off-by: Joel Reardon <reardonj@inf.ethz.ch>

Pushed to the "joel" branch as well.

--=20
Best Regards,
Artem Bityutskiy

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