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Diffstat (limited to 'include/linux/f2fs_fs.h')
-rw-r--r--include/linux/f2fs_fs.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index d445150c5350..5dd1e52b8997 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -73,6 +73,20 @@ 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
+
struct f2fs_super_block {
__le32 magic; /* Magic Number */
__le16 major_ver; /* Major Version */
@@ -116,7 +130,8 @@ 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 reserved[274]; /* valid reserved region */
__le32 crc; /* checksum of superblock */
} __packed;