linux-kernel - Re: [PATCH 1/2] f2fs: detect wrong layout

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Message-ID: <20161207201650.GA125037@google.com>
Date:   Wed, 7 Dec 2016 12:16:50 -0800
From:   Eric Biggers <ebiggers@...gle.com>
To:     Jaegeuk Kim <jaegeuk@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [PATCH 1/2] f2fs: detect wrong layout

On Tue, Dec 06, 2016 at 05:16:24PM -0800, Jaegeuk Kim wrote:
> Previous mkfs.f2fs allows small partition inappropriately, so f2fs should detect
> that as well.
> 
> Refer this in f2fs-tools.
> 
> mkfs.f2fs: detect small partition by overprovision ratio and # of segments
> 
> Reported-by: Eric Biggers <ebiggers@...gle.com>
> Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
> ---

Hi Jaegeuk, I tested these two patches and they seem to work correctly --- the
kernel now doesn't allow mounting a 32 MB f2fs filesystem.

Thanks!

Eric