diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 9c39251961a3..0ddb9ce0f5e3 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -877,6 +877,35 @@ xfs_create_tmpfile(
 	return error;
 }
 
+static inline int
+xfs_projid_differ(
+	struct xfs_inode	*tdp,
+	struct xfs_inode	*sip)
+{
+	/*
+	 * If we are using project inheritance, we only allow hard link/renames
+	 * creation in our tree when the project IDs are the same; else
+	 * the tree quota mechanism could be circumvented.
+	 */
+	if (unlikely((tdp->i_diflags & XFS_DIFLAG_PROJINHERIT) &&
+		     tdp->i_projid != sip->i_projid)) {
+		/*
+		 * Project quota setup skips special files which can
+		 * leave inodes in a PROJINHERIT directory without a
+		 * project ID set. We need to allow links to be made
+		 * to these "project-less" inodes because userspace
+		 * expects them to succeed after project ID setup,
+		 * but everything else should be rejected.
+		 */
+		if (!special_file(VFS_I(sip)->i_mode) ||
+		    sip->i_projid != 0) {
+			return -EXDEV;
+		}
+	}
+
+	return 0;
+}
+
 int
 xfs_link(
 	struct xfs_inode	*tdp,
@@ -930,27 +959,9 @@ xfs_link(
 		goto error_return;
 	}
 
-	/*
-	 * If we are using project inheritance, we only allow hard link
-	 * creation in our tree when the project IDs are the same; else
-	 * the tree quota mechanism could be circumvented.
-	 */
-	if (unlikely((tdp->i_diflags & XFS_DIFLAG_PROJINHERIT) &&
-		     tdp->i_projid != sip->i_projid)) {
-		/*
-		 * Project quota setup skips special files which can
-		 * leave inodes in a PROJINHERIT directory without a
-		 * project ID set. We need to allow links to be made
-		 * to these "project-less" inodes because userspace
-		 * expects them to succeed after project ID setup,
-		 * but everything else should be rejected.
-		 */
-		if (!special_file(VFS_I(sip)->i_mode) ||
-		    sip->i_projid != 0) {
-			error = -EXDEV;
-			goto error_return;
-		}
-	}
+	error = xfs_projid_differ(tdp, sip);
+	if (error)
+		goto error_return;
 
 	error = xfs_dir_add_child(tp, resblks, &du);
 	if (error)
@@ -2227,16 +2238,9 @@ xfs_rename(
 	if (du_wip.ip)
 		xfs_trans_ijoin(tp, du_wip.ip, 0);
 
-	/*
-	 * If we are using project inheritance, we only allow renames
-	 * into our tree when the project IDs are the same; else the
-	 * tree quota mechanism would be circumvented.
-	 */
-	if (unlikely((target_dp->i_diflags & XFS_DIFLAG_PROJINHERIT) &&
-		     target_dp->i_projid != src_ip->i_projid)) {
-		error = -EXDEV;
+	error = xfs_projid_differ(target_dp, src_ip);
+	if (error)
 		goto out_trans_cancel;
-	}
 
 	/* RENAME_EXCHANGE is unique from here on. */
 	if (flags & RENAME_EXCHANGE) {