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Date: Wed, 24 Feb 2010 21:12:40 +0300
From: Dmitry Monakhov <dmonakhov@...nvz.org>
To: tytso@....edu
Cc: Andreas Dilger <adilger@....com>, linux-fsdevel@...r.kernel.org,
linux-ext4@...r.kernel.org
Subject: [PATCH] ext4: deprecate obsoleted mount options v3
tytso@....edu writes:
> On Tue, Feb 23, 2010 at 10:23:45PM +0300, Dmitry Monakhov wrote:
>> >
>> > I think deprecating an option is not the same as removing it entirely.
>> Ohh.. I've hoped to reuse freed bits for new crap.
>
> What "new crap" are you hoping to will need mount options?
I want two bits in mount flags. But only one is available
for now. Don't you mind to extend mount flags to 64 bits?
>One of the
> things I want to do long term is to try to reduce/remove mount options
> in general.
>
> If we get general agreement that it's time to just turn on acl's and
> xattr's by default, we can change the default, and in that case
> removing the "noacl/noxattr" might be something that we might not need
> to keep for as long, or maybe at all. But for things like
> bsddf/minixdf, we do need some kind of deprecation schedule.
>
> The use of Opt_deprecated and Opt_disabled seems a little pointless;
> nothing is using now, and nothing needs it. All I'd probably do is
> something like this:
>
> static char deprecated_msg[] = "Mount option \"%s\" will be removed by %s\n"
> "Contact linux-ext4@...r.kernel.org if you think we should keep it.\n"
>
> And then in each option that we want to deprecate, just add:
>
> ext4_msg(sb, KERN_WARN, deprecated_msg, "bsddf", "2.6.39");
Yess. Definitely this look nicer.
View attachment "0001-ext4-deprecate-obsoleted-mount-options-v3.patch" of type "text/plain" (2516 bytes)
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