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authorChao Yu <chao@kernel.org>2022-09-28 23:38:54 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2022-10-04 13:31:45 -0700
commit95fa90c9e5a7f14c2497d5b032544478c9377c3a (patch)
treec5a868cfae65b1d969a30a1cdb750a4813f5cad1 /include/linux/f2fs_fs.h
parenta9cfee0ef98e99c8b1951dfd1d57a88580354d0d (diff)
downloadlinux-95fa90c9e5a7f14c2497d5b032544478c9377c3a.tar.bz2
f2fs: support recording errors into superblock
This patch supports to record detail reason of FSCORRUPTED error into f2fs_super_block.s_errors[]. Signed-off-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'include/linux/f2fs_fs.h')
-rw-r--r--include/linux/f2fs_fs.h25
1 files changed, 24 insertions, 1 deletions
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 5dd1e52b8997..ee0d75d9a302 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -87,6 +87,28 @@ enum stop_cp_reason {
#define MAX_STOP_REASON 32
+/* detail reason for EFSCORRUPTED */
+enum f2fs_error {
+ ERROR_CORRUPTED_CLUSTER,
+ ERROR_FAIL_DECOMPRESSION,
+ ERROR_INVALID_BLKADDR,
+ ERROR_CORRUPTED_DIRENT,
+ ERROR_CORRUPTED_INODE,
+ ERROR_INCONSISTENT_SUMMARY,
+ ERROR_INCONSISTENT_FOOTER,
+ ERROR_INCONSISTENT_SUM_TYPE,
+ ERROR_CORRUPTED_JOURNAL,
+ ERROR_INCONSISTENT_NODE_COUNT,
+ ERROR_INCONSISTENT_BLOCK_COUNT,
+ ERROR_INVALID_CURSEG,
+ ERROR_INCONSISTENT_SIT,
+ ERROR_CORRUPTED_VERITY_XATTR,
+ ERROR_CORRUPTED_XATTR,
+ ERROR_MAX,
+};
+
+#define MAX_F2FS_ERRORS 16
+
struct f2fs_super_block {
__le32 magic; /* Magic Number */
__le16 major_ver; /* Major Version */
@@ -131,7 +153,8 @@ struct f2fs_super_block {
__le16 s_encoding; /* Filename charset encoding */
__le16 s_encoding_flags; /* Filename charset encoding flags */
__u8 s_stop_reason[MAX_STOP_REASON]; /* stop checkpoint reason */
- __u8 reserved[274]; /* valid reserved region */
+ __u8 s_errors[MAX_F2FS_ERRORS]; /* reason of image corrupts */
+ __u8 reserved[258]; /* valid reserved region */
__le32 crc; /* checksum of superblock */
} __packed;