linux-ext4 - [PATCH 15/29] fuse2fs: make filesystem corruption a hard error

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Message-ID: <174786677819.1383760.15120011207188940205.stgit@frogsfrogsfrogs>
Date: Wed, 21 May 2025 15:38:49 -0700
From: "Darrick J. Wong" <djwong@...nel.org>
To: tytso@....edu
Cc: linux-ext4@...r.kernel.org
Subject: [PATCH 15/29] fuse2fs: make filesystem corruption a hard error

From: Darrick J. Wong <djwong@...nel.org>

Change __translate_error so that all the EXT2_*_CORRUPTED codes generate
a hard error returning EUCLEAN which is the same errno that the kernel
uses.

Signed-off-by: "Darrick J. Wong" <djwong@...nel.org>
---
 misc/fuse2fs.c |   13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c
index eb1ac818359c19..f0ac89db4f6c37 100644
--- a/misc/fuse2fs.c
+++ b/misc/fuse2fs.c
@@ -4275,6 +4275,19 @@ static int __translate_error(ext2_filsys fs, ext2_ino_t ino, errcode_t err,
 	case EXT2_ET_UNIMPLEMENTED:
 		ret = -EOPNOTSUPP;
 		break;
+	case EXT2_ET_DIR_CORRUPTED:
+	case EXT2_ET_CORRUPT_SUPERBLOCK:
+	case EXT2_ET_RESIZE_INODE_CORRUPT:
+	case EXT2_ET_TDB_ERR_CORRUPT:
+	case EXT2_ET_UNDO_FILE_CORRUPT:
+	case EXT2_ET_FILESYSTEM_CORRUPTED:
+	case EXT2_ET_CORRUPT_JOURNAL_SB:
+	case EXT2_ET_INODE_CORRUPTED:
+	case EXT2_ET_EA_INODE_CORRUPTED:
+		/* same errno that linux uses */
+		is_err = 1;
+		ret = -EUCLEAN;
+		break;
 	default:
 		is_err = 1;
 		ret = -EIO;