diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index f3c820b758296179be10796a51a47ff3242494ac..4ad40afe54e1420d8ce800c2b7e9c4b62618c5db 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1280,6 +1280,8 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
 		REISERFS_SB(s)->s_mount_state = sb_umount_state(rs);
 		s->s_flags &= ~MS_RDONLY;
 		set_sb_umount_state(rs, REISERFS_ERROR_FS);
+		if (!old_format_only(s))
+			set_sb_mnt_count(rs, sb_mnt_count(rs) + 1);
 		/* mark_buffer_dirty (SB_BUFFER_WITH_SB (s), 1); */
 		journal_mark_dirty(&th, s, SB_BUFFER_WITH_SB(s));
 		REISERFS_SB(s)->s_mount_state = REISERFS_VALID_FS;
@@ -1819,7 +1821,9 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
 			} else if (!silent) {
 				reiserfs_info(s, "using 3.5.x disk format\n");
 			}
-		}
+		} else
+			set_sb_mnt_count(rs, sb_mnt_count(rs) + 1);
+
 
 		journal_mark_dirty(&th, s, SB_BUFFER_WITH_SB(s));
 		errval = journal_end(&th, s, 1);
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index bc5114d35e99b65db4e11acefe3bae623a7c9db9..ab748a03fe97943655a0bf69ce14b2d89a3d060a 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -171,7 +171,11 @@ struct reiserfs_super_block {
 	__le32 s_flags;		/* Right now used only by inode-attributes, if enabled */
 	unsigned char s_uuid[16];	/* filesystem unique identifier */
 	unsigned char s_label[16];	/* filesystem volume label */
-	char s_unused[88];	/* zero filled by mkreiserfs and
+	__le16 s_mnt_count;		/* Count of mounts since last fsck */
+	__le16 s_max_mnt_count;		/* Maximum mounts before check */
+	__le32 s_lastcheck;		/* Timestamp of last fsck */
+	__le32 s_check_interval;	/* Interval between checks */
+	char s_unused[76];	/* zero filled by mkreiserfs and
 				 * reiserfs_convert_objectid_map_v1()
 				 * so any additions must be updated
 				 * there as well. */
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index bda6b562a1e05dc5ee936ca52dfc8bfb14ae86a9..ccd38f35153003283382f929ba095d2312602aa0 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -73,6 +73,9 @@ typedef enum {
 #define sb_version(sbp)            (le16_to_cpu((sbp)->s_v1.s_version))
 #define set_sb_version(sbp,v)      ((sbp)->s_v1.s_version = cpu_to_le16(v))
 
+#define sb_mnt_count(sbp)	   (le16_to_cpu((sbp)->s_mnt_count))
+#define set_sb_mnt_count(sbp, v)   ((sbp)->s_mnt_count = cpu_to_le16(v))
+
 #define sb_reserved_for_journal(sbp) \
               (le16_to_cpu((sbp)->s_v1.s_reserved_for_journal))
 #define set_sb_reserved_for_journal(sbp,v) \