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Date:   Tue, 5 Nov 2019 07:17:36 -0800
From:   "Darrick J. Wong" <darrick.wong@...cle.com>
To:     Valdis Kletnieks <valdis.kletnieks@...edu>
Cc:     "Theodore Ts'o" <tytso@....edu>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <chao@...nel.org>,
        linux-xfs@...r.kernel.org, Jan Kara <jack@...e.com>,
        Arnd Bergmann <arnd@...db.de>, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, linux-arch@...r.kernel.org
Subject: Re: [PATCH 1/1] errno.h: Provide EFSBADCRC for everybody

On Mon, Nov 04, 2019 at 09:46:14PM -0500, Valdis Kletnieks wrote:
> Four filesystems have their own defines for this. Move it
> into errno.h so it's defined in just one place.
> 
> Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@...edu>

Acked-by: Darrick J. Wong <darrick.wong@...cle.com>

You can build all six filesystems with both this and the EFSCORRUPTED
patch applied, correct?

--D

> ---
>  fs/ext4/ext4.h                   | 2 --
>  fs/f2fs/f2fs.h                   | 2 --
>  fs/xfs/xfs_linux.h               | 1 -
>  include/linux/jbd2.h             | 2 --
>  include/uapi/asm-generic/errno.h | 1 +
>  5 files changed, 1 insertion(+), 7 deletions(-)
> 
> diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
> index a86c2585457d..79b3fd8291ab 100644
> --- a/fs/ext4/ext4.h
> +++ b/fs/ext4/ext4.h
> @@ -3395,6 +3395,4 @@ static inline int ext4_buffer_uptodate(struct buffer_head *bh)
>  
>  #endif	/* __KERNEL__ */
>  
> -#define EFSBADCRC	EBADMSG		/* Bad CRC detected */
> -
>  #endif	/* _EXT4_H */
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index 04ebe77569a3..ba23fd18d44a 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -3751,6 +3751,4 @@ static inline bool is_journalled_quota(struct f2fs_sb_info *sbi)
>  	return false;
>  }
>  
> -#define EFSBADCRC	EBADMSG		/* Bad CRC detected */
> -
>  #endif /* _LINUX_F2FS_H */
> diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
> index 3409d02a7d21..abdfc506618d 100644
> --- a/fs/xfs/xfs_linux.h
> +++ b/fs/xfs/xfs_linux.h
> @@ -123,7 +123,6 @@ typedef __u32			xfs_nlink_t;
>  
>  #define ENOATTR		ENODATA		/* Attribute not found */
>  #define EWRONGFS	EINVAL		/* Mount with wrong filesystem type */
> -#define EFSBADCRC	EBADMSG		/* Bad CRC detected */
>  
>  #define SYNCHRONIZE()	barrier()
>  #define __return_address __builtin_return_address(0)
> diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
> index 69411d7e0431..e07692fe6f20 100644
> --- a/include/linux/jbd2.h
> +++ b/include/linux/jbd2.h
> @@ -1656,6 +1656,4 @@ static inline tid_t  jbd2_get_latest_transaction(journal_t *journal)
>  
>  #endif	/* __KERNEL__ */
>  
> -#define EFSBADCRC	EBADMSG		/* Bad CRC detected */
> -
>  #endif	/* _LINUX_JBD2_H */
> diff --git a/include/uapi/asm-generic/errno.h b/include/uapi/asm-generic/errno.h
> index 1d5ffdf54cb0..e4cae9a9ae79 100644
> --- a/include/uapi/asm-generic/errno.h
> +++ b/include/uapi/asm-generic/errno.h
> @@ -55,6 +55,7 @@
>  #define	EMULTIHOP	72	/* Multihop attempted */
>  #define	EDOTDOT		73	/* RFS specific error */
>  #define	EBADMSG		74	/* Not a data message */
> +#define EFSBADCRC	EBADMSG	/* Bad CRC detected */
>  #define	EOVERFLOW	75	/* Value too large for defined data type */
>  #define	ENOTUNIQ	76	/* Name not unique on network */
>  #define	EBADFD		77	/* File descriptor in bad state */
> -- 
> 2.24.0.rc1
> 

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