Re: [PATCH] ovl: sync dirty data when remounting to ro mode

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Subject: Re: [PATCH] ovl: sync dirty data when remounting to ro mode
From: Miklos Szeredi <miklos@xxxxxxxxxx>
Date: Wed, 22 Apr 2020 09:29:33 +0200
Cc: overlayfs <linux-unionfs@xxxxxxxxxxxxxxx>
In-reply-to: <20200422042843.4881-1-cgxu519@mykernel.net>

On Wed, Apr 22, 2020 at 6:29 AM Chengguang Xu <cgxu519@xxxxxxxxxxxx> wrote:
>
> sync_filesystem() does not sync dirty data for readonly
> filesystem during umount, so before changing to readonly
> filesystem we should sync dirty data for data integrity.

Isn't the same true for ->put_super()?

Thanks,
Miklos

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  - From: Chengguang Xu

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