Re: Next3 on-disk format change request

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On Thu, Jun 24, 2010 at 3:35 AM,  <tytso@xxxxxxx> wrote:
> On Tue, Jun 22, 2010 at 01:30:54PM +0300, Amir Goldstein wrote:
>> My on-disk format change request is to re-assign a ro_compat feature
>> for IS_SNAPSHOT (currently in s_flags).
>
> OK, so in addition to:
>
> #define EXT4_FEATURE_RO_COMPAT_HAS_SNAPSHOT     0x0080
>
> You would also like:
>
> #define EXT4_FEATURE_RO_COMPAT_IS_SNAPSHOT      0x0100
>
> which is a feature flag that the kernel will never support, since this
> is a hint that snapshot should only be mounted read-only, correct?
>

That is correct.
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