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Date:   Wed, 30 Oct 2019 21:07:33 -0400
From:   Valdis Kletnieks <valdis.kletnieks@...edu>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Valdis Kletnieks <Valdis.Kletnieks@...edu>,
        Valdis Kletnieks <valdis.kletnieks@...edu>,
        Gao Xiang <xiang@...nel.org>, Chao Yu <chao@...nel.org>,
        "Theodore Ts'o" <tytso@....edu>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        "Darrick J. Wong" <darrick.wong@...cle.com>,
        linux-xfs@...r.kernel.org, Jan Kara <jack@...e.com>,
        Arnd Bergmann <arnd@...db.de>, linux-fsdevel@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        linux-erofs@...ts.ozlabs.org, linux-ext4@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, linux-arch@...r.kernel.org
Subject: [RFC] errno.h: Provide EFSCORRUPTED for everybody

Three questions: (a) ACK/NAK on this patch, (b) should it be all in one
patch, or one to add to errno.h and 6 patches for 6 filesystems?), and
(c) if one patch, who gets to shepherd it through?


There's currently 6 filesystems that have the same #define. Move it
into errno.h so it's defined in just one place.

Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@...edu>
---
 drivers/staging/exfat/exfat.h    | 2 --
 fs/erofs/internal.h              | 2 --
 fs/ext4/ext4.h                   | 1 -
 fs/f2fs/f2fs.h                   | 1 -
 fs/xfs/xfs_linux.h               | 1 -
 include/linux/jbd2.h             | 1 -
 include/uapi/asm-generic/errno.h | 1 +
 7 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/staging/exfat/exfat.h b/drivers/staging/exfat/exfat.h
index 84de1123e178..3cf7e54af0b7 100644
--- a/drivers/staging/exfat/exfat.h
+++ b/drivers/staging/exfat/exfat.h
@@ -30,8 +30,6 @@
 #undef DEBUG
 #endif
 
-#define EFSCORRUPTED	EUCLEAN		/* Filesystem is corrupted */
-
 #define DENTRY_SIZE		32	/* dir entry size */
 #define DENTRY_SIZE_BITS	5
 
diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index 544a453f3076..3980026a8882 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -425,7 +425,5 @@ static inline int z_erofs_init_zip_subsystem(void) { return 0; }
 static inline void z_erofs_exit_zip_subsystem(void) {}
 #endif	/* !CONFIG_EROFS_FS_ZIP */
 
-#define EFSCORRUPTED    EUCLEAN         /* Filesystem is corrupted */
-
 #endif	/* __EROFS_INTERNAL_H */
 
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 03db3e71676c..a86c2585457d 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -3396,6 +3396,5 @@ static inline int ext4_buffer_uptodate(struct buffer_head *bh)
 #endif	/* __KERNEL__ */
 
 #define EFSBADCRC	EBADMSG		/* Bad CRC detected */
-#define EFSCORRUPTED	EUCLEAN		/* Filesystem is corrupted */
 
 #endif	/* _EXT4_H */
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 4024790028aa..04ebe77569a3 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3752,6 +3752,5 @@ static inline bool is_journalled_quota(struct f2fs_sb_info *sbi)
 }
 
 #define EFSBADCRC	EBADMSG		/* Bad CRC detected */
-#define EFSCORRUPTED	EUCLEAN		/* Filesystem is corrupted */
 
 #endif /* _LINUX_F2FS_H */
diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
index ca15105681ca..3409d02a7d21 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 EFSCORRUPTED	EUCLEAN		/* Filesystem is corrupted */
 #define EFSBADCRC	EBADMSG		/* Bad CRC detected */
 
 #define SYNCHRONIZE()	barrier()
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 564793c24d12..1ecd3859d040 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -1657,6 +1657,5 @@ static inline tid_t  jbd2_get_latest_transaction(journal_t *journal)
 #endif	/* __KERNEL__ */
 
 #define EFSBADCRC	EBADMSG		/* Bad CRC detected */
-#define EFSCORRUPTED	EUCLEAN		/* Filesystem is corrupted */
 
 #endif	/* _LINUX_JBD2_H */
diff --git a/include/uapi/asm-generic/errno.h b/include/uapi/asm-generic/errno.h
index cf9c51ac49f9..1d5ffdf54cb0 100644
--- a/include/uapi/asm-generic/errno.h
+++ b/include/uapi/asm-generic/errno.h
@@ -98,6 +98,7 @@
 #define	EINPROGRESS	115	/* Operation now in progress */
 #define	ESTALE		116	/* Stale file handle */
 #define	EUCLEAN		117	/* Structure needs cleaning */
+#define	EFSCORRUPTED	EUCLEAN
 #define	ENOTNAM		118	/* Not a XENIX named type file */
 #define	ENAVAIL		119	/* No XENIX semaphores available */
 #define	EISNAM		120	/* Is a named type file */
-- 
2.24.0.rc1

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