mm: Fix pmd_read_atomic()

[linux-2.6-microblaze.git] / include / linux / f2fs_fs.h

diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index d445150..ee0d75d 100644 (file)
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -73,6 +73,42 @@ struct f2fs_device {
        __le32 total_segments;
 } __packed;
 
+/* reason of stop_checkpoint */
+enum stop_cp_reason {
+       STOP_CP_REASON_SHUTDOWN,
+       STOP_CP_REASON_FAULT_INJECT,
+       STOP_CP_REASON_META_PAGE,
+       STOP_CP_REASON_WRITE_FAIL,
+       STOP_CP_REASON_CORRUPTED_SUMMARY,
+       STOP_CP_REASON_UPDATE_INODE,
+       STOP_CP_REASON_FLUSH_FAIL,
+       STOP_CP_REASON_MAX,
+};
+
+#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 */
@@ -116,7 +152,9 @@ struct f2fs_super_block {
        __u8 hot_ext_count;             /* # of hot file extension */
        __le16  s_encoding;             /* Filename charset encoding */
        __le16  s_encoding_flags;       /* Filename charset encoding flags */
-       __u8 reserved[306];             /* valid reserved region */
+       __u8 s_stop_reason[MAX_STOP_REASON];    /* stop checkpoint reason */
+       __u8 s_errors[MAX_F2FS_ERRORS];         /* reason of image corrupts */
+       __u8 reserved[258];             /* valid reserved region */
        __le32 crc;                     /* checksum of superblock */
 } __packed;