lkml.org 
[lkml]   [2012]   [May]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] UBIFS: add ksa_pos to replay buds, read when replaying
From
Date
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 performing
> a replay after unclean commit. This is critical for the correctness of the key
> state map, because the keys that are assigned to uncommited data nodes will 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.
>
> This was tested by assigning distinct ksa_pos values and disabling commiting.
> Data was written and then the drive was remounted. The ksa_pos values were
> read from the journal and outputted while replaying. When the file was later
> read, it was confirmed that the ksa_pos values were already loaded into the
> TNC.
>
> Signed-off-by: Joel Reardon <reardonj@inf.ethz.ch>

Pushed to the "joel" branch as well.

--
Best Regards,
Artem Bityutskiy
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2012-05-20 21:01    [from the cache]
©2003-2011 Jasper Spaans