From: Amir Goldstein <amir73il@gmail.com>
To: tytso@mit.edu
Cc: Andreas Dilger <adilger@dilger.ca>,
Ext4 Developers List <linux-ext4@vger.kernel.org>
Subject: Re: Next3 on-disk format change request
Date: Thu, 24 Jun 2010 08:33:47 +0300 [thread overview]
Message-ID: <AANLkTil17qZWKJfFsV77yADzxOffB2w94GN0COQyR82n@mail.gmail.com> (raw)
In-Reply-To: <20100624003529.GF6843@thunk.org>
On Thu, Jun 24, 2010 at 3:35 AM, <tytso@mit.edu> 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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next prev parent reply other threads:[~2010-06-24 5:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-22 10:30 Next3 on-disk format change request Amir Goldstein
2010-06-24 0:35 ` tytso
2010-06-24 5:33 ` Amir Goldstein [this message]
2010-12-21 12:28 ` Amir Goldstein
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