Hi,

Please apply commit ce654b37 to any stable kernel out there.

The relevant ext4 patch is in Ted's tree and has not reached mainline yet.
Ted, can you please add CC: stable to my patch.

Thanks,
Amir.

On Mon, Feb 28, 2011 at 8:09 PM, Jan Kara <[email protected]> wrote:
> On Sat 26-02-11 22:40:19, Amir Goldstein wrote:
>> Orphan cleanup is currently executed even on readonly mount.
>> It deletes inodes and frees blocks, which could be very bad for some
>> RO_COMPAT features, HAS_SNAPSHOT to name one.
>>
>> Now the damage is done, because current stock kernels may
>> corrupt future fs with readonly compatible features,
>> when doing orphan cleanup.
>>
>> This patch skips the orphan cleanup if readonly compatible features
>> would prevent the fs from being mounted (or remounted) readwrite.
>  Thanks Amir. I actually took the version Ted committed to ext4 and ported
> it for ext3. Anyway, the patch is in my tree.
>
>                                                                Honza
>
> --
> Jan Kara <[email protected]>
> SUSE Labs, CR
>

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