diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 8c4c5c6c1ac6..a0d2e180f0ed 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2097,7 +2097,6 @@ static int f2fs_ioc_start_atomic_write(struct file *filp, bool truncate)
 	struct mnt_idmap *idmap = file_mnt_idmap(filp);
 	struct f2fs_inode_info *fi = F2FS_I(inode);
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
-	struct inode *pinode;
 	loff_t isize;
 	int ret;
 
@@ -2146,15 +2145,10 @@ static int f2fs_ioc_start_atomic_write(struct file *filp, bool truncate)
 	/* Check if the inode already has a COW inode */
 	if (fi->cow_inode == NULL) {
 		/* Create a COW inode for atomic write */
-		pinode = f2fs_iget(inode->i_sb, fi->i_pino);
-		if (IS_ERR(pinode)) {
-			f2fs_up_write(&fi->i_gc_rwsem[WRITE]);
-			ret = PTR_ERR(pinode);
-			goto out;
-		}
+		struct dentry *dentry = file_dentry(filp);
+		struct inode *dir = d_inode(dentry->d_parent);
 
-		ret = f2fs_get_tmpfile(idmap, pinode, &fi->cow_inode);
-		iput(pinode);
+		ret = f2fs_get_tmpfile(idmap, dir, &fi->cow_inode);
 		if (ret) {
 			f2fs_up_write(&fi->i_gc_rwsem[WRITE]);
 			goto out;