diff --git a/inode.c b/inode.c
index dacc95f..7c7a44e 100644
--- a/inode.c
+++ b/inode.c
@@ -500,7 +500,12 @@ static bool simplefs_try_remove_entry(struct simplefs_dir_block *dblock,
  *   - cleanup index block of the new inode
  *   - add new file/directory in parent index
  */
-#if SIMPLEFS_AT_LEAST(6, 3, 0)
+#if SIMPLEFS_AT_LEAST(7, 3, 0)
+static int simplefs_create(struct mnt_idmap *id,
+                           struct inode *dir,
+                           struct dentry *dentry,
+                           umode_t mode)
+#elif SIMPLEFS_AT_LEAST(6, 3, 0)
 static int simplefs_create(struct mnt_idmap *id,
                            struct inode *dir,
                            struct dentry *dentry,
@@ -1070,8 +1075,16 @@ static int simplefs_rename(struct inode *src_dir,
     RELEASE_BUFFER_HEAD(src_bi_bh);
     return ret;
 }
-
-#if SIMPLEFS_AT_LEAST(6, 15, 0)
+#if SIMPLEFS_AT_LEAST(7, 3, 0)
+static struct dentry *simplefs_mkdir(struct mnt_idmap *id,
+                                     struct inode *dir,
+                                     struct dentry *dentry,
+                                     umode_t mode)
+{
+    int ret = simplefs_create(id, dir, dentry, mode | S_IFDIR);
+    return ret ? ERR_PTR(ret) : NULL;
+}
+#elif SIMPLEFS_AT_LEAST(6, 15, 0)
 static struct dentry *simplefs_mkdir(struct mnt_idmap *id,
                                      struct inode *dir,
                                      struct dentry *dentry,
diff --git a/super.c b/super.c
index 7308d21..72dc964 100644
--- a/super.c
+++ b/super.c
@@ -265,7 +265,12 @@ static journal_t *simplefs_get_dev_journal(struct super_block *sb,
     unsigned long offset;
     journal_t *journal;
     int errno = 0;
-#if SIMPLEFS_AT_LEAST(6, 9, 0)
+#if SIMPLEFS_AT_LEAST(7, 3, 0)
+    struct file *bdev_file;
+    bdev_file = fs_bdev_file_open_by_dev(
+        journal_dev, BLK_OPEN_READ | BLK_OPEN_WRITE | BLK_OPEN_RESTRICT_WRITES,
+        sb, sb);
+#elif SIMPLEFS_AT_LEAST(6, 9, 0)
     struct file *bdev_file;
     bdev_file = bdev_file_open_by_dev(
         journal_dev, BLK_OPEN_READ | BLK_OPEN_WRITE | BLK_OPEN_RESTRICT_WRITES,
@@ -385,7 +390,9 @@ static journal_t *simplefs_get_dev_journal(struct super_block *sb,
     return journal;
 
 out_bdev:
-#if SIMPLEFS_AT_LEAST(6, 9, 0)
+#if SIMPLEFS_AT_LEAST(7, 3, 0)
+    fs_bdev_file_release(bdev_file, sb);
+#elif SIMPLEFS_AT_LEAST(6, 9, 0)
     fput(bdev_file);
 #elif SIMPLEFS_AT_LEAST(6, 7, 0)
     bdev_release(bdev_handle);