1 files changed, 12 insertions, 2 deletions

diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 43e98d30d2df..58aecb60ea51 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -117,6 +117,7 @@ struct f2fs_super_block {
 /*
  * For checkpoint
  */
+#define CP_NOCRC_RECOVERY_FLAG  0x00000200
 #define CP_TRIMMED_FLAG         0x00000100
 #define CP_NAT_BITS_FLAG        0x00000080
 #define CP_CRC_RECOVERY_FLAG    0x00000040
@@ -212,6 +213,7 @@ struct f2fs_extent {
 #define F2FS_DATA_EXIST         0x08    /* file inline data exist flag */
 #define F2FS_INLINE_DOTS        0x10    /* file having implicit dot dentries */
 #define F2FS_EXTRA_ATTR         0x20    /* file having extra attribute */
+#define F2FS_PIN_FILE           0x40    /* file should not be gced */
 
 struct f2fs_inode {
         __le16 i_mode;                  /* file mode */
@@ -229,7 +231,13 @@ struct f2fs_inode {
         __le32 i_ctime_nsec;            /* change time in nano scale */
         __le32 i_mtime_nsec;            /* modification time in nano scale */
         __le32 i_generation;            /* file version (for NFS) */
-        __le32 i_current_depth;         /* only for directory depth */
+        union {
+                __le32 i_current_depth; /* only for directory depth */
+                __le16 i_gc_failures;   /*
+                                         * # of gc failures on pinned file.
+                                         * only for regular files.
+                                         */
+        };
         __le32 i_xattr_nid;             /* nid to save xattr */
         __le32 i_flags;                 /* file attributes */
         __le32 i_pino;                  /* parent inode number */
@@ -245,8 +253,10 @@ struct f2fs_inode {
                         __le16 i_inline_xattr_size;     /* inline xattr size, unit: 4 bytes */
                         __le32 i_projid;        /* project id */
                         __le32 i_inode_checksum;/* inode meta checksum */
+                        __le64 i_crtime;        /* creation time */
+                        __le32 i_crtime_nsec;   /* creation time in nano scale */
                         __le32 i_extra_end[0];  /* for attribute size calculation */
-                };
+                } __packed;
                 __le32 i_addr[DEF_ADDRS_PER_INODE];     /* Pointers to data blocks */
         };
         __le32 i_nid[DEF_NIDS_PER_INODE];       /* direct(2), indirect(2),