Re: [PATCH] ext4: avoid modifying checksum fields directly during checksum verification

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On Wed, Jun 15, 2016 at 03:12:53PM +0900, Daeho Jeong wrote:
> We temporally change checksum fields in buffers of some types of
> metadata into '0' for verifying the checksum values. By doing this
> without locking the buffer, some metadata's checksums, which are
> being committed or written back to the storage, could be damaged.
> In our test, several metadata blocks were found with damaged metadata
> checksum value during recovery process. When we only verify the
> checksum value, we have to avoid modifying checksum fields directly.
> 
> Signed-off-by: Daeho Jeong <daeho.jeong@xxxxxxxxxxx>
> Signed-off-by: Youngjin Gil <youngjin.gil@xxxxxxxxxxx>

Applied, thanks!

						- Ted
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