Re: [PATCH 3/3] ext4: Deprecate barrier= and nobarrier mountoptions

[Tejun Heo]

Hello,

On Wed, Jan 26, 2011 at 11:47:34AM +0100, Jan Kara wrote:
>   Ted should have a final word about this but I believe it's possible to
> deprecate the mount options. Maybe with some transition period where
> deprecation message is shown but the option actually still works. That
> being said I'm not sure what we should do when someone has a disk with two
> partitions and one partition is mounted with barriers and another one
> without them - sure, one has to think hard to find a sane use case for this
> (possibly if user does not care about data after a crash on one of the
> partitions, in which case he should probably use nojournal mode) but it
> should probably work.

The policy can be made per-bdev (which maps to per-partition), so I
don't think that's a big problem.

Thanks.

-- 
tejun
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