Re: [PATCH] ext2: Don't export ext2_mask_flags() to user space

From: Ted Ts'o
Date: Thu Mar 22 2012 - 12:28:37 EST


On Thu, Mar 22, 2012 at 08:00:41AM +0200, Artem Bityutskiy wrote:
> On Thu, 2012-03-22 at 06:53 +0100, Thierry Reding wrote:
> > What's the recommended fix for packages that cannot or will not use
> > libext2fs, like busybox? Copy the required parts into a private header
> > and use that instead?
>
> The normal way is to just keep a private copy of the whole header file.
> Because the on-disk format stays compatible, those programs do not have
> to update the header very often - only rarely if they want to support
> some new feature.

Even if they're not iwlling to use libext2fs (for space reasons, I
would assume? It can't be because of license compatibility issues
since they are both GPLv2), they could just simply grab the ext2_fs.h
from e2fsprogs. That has all of the file system definitions for ext2,
ext3, and ext4.

Regards,

- Ted
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