linux-kernel - Re: [PATCH v4 1/3] fs: hoist EFSCORRUPTED definition into uapi header

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Date:   Fri, 18 Jan 2019 17:23:42 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Jann Horn <jannh@...gle.com>
Cc:     Richard Henderson <rth@...ddle.net>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Linux FS-devel Mailing List <linux-fsdevel@...r.kernel.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        "Theodore Ts'o" <tytso@....edu>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        alpha <linux-alpha@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Dave Chinner <david@...morbit.com>,
        Pavel Machek <pavel@....cz>,
        linux-arch <linux-arch@...r.kernel.org>,
        Linux API <linux-api@...r.kernel.org>
Subject: Re: [PATCH v4 1/3] fs: hoist EFSCORRUPTED definition into uapi header

On Fri, Jan 18, 2019 at 5:15 PM Jann Horn <jannh@...gle.com> wrote:
>
> Multiple filesystems can already return EFSCORRUPTED errors to userspace;
> however, so far, definitions of EFSCORRUPTED were in filesystem-private
> headers.
>
> I wanted to use EUCLEAN to indicate data corruption in the VFS layer;
> Dave Chinner says that I should instead hoist the definitions of
> EFSCORRUPTED into the UAPI header and then use EFSCORRUPTED.
>
> This patch is marked for stable backport because it is a prerequisite for
> the following patch.
>
> Cc: stable@...r.kernel.org
> Suggested-by: Dave Chinner <david@...morbit.com>
> Signed-off-by: Jann Horn <jannh@...gle.com>
> ---
>  fs/ext2/ext2.h                   | 1 -
>  fs/ext4/ext4.h                   | 1 -
>  fs/xfs/xfs_linux.h               | 1 -
>  include/linux/jbd2.h             | 1 -
>  include/uapi/asm-generic/errno.h | 1 +
>  5 files changed, 1 insertion(+), 4 deletions(-)


For asm-generic:

Acked-by: Arnd Bergmann <arnd@...db.de>