[O_TMPFILE] it's still short a few helpers, but infrastructure should be OK now...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/minix/namei.c b/fs/minix/namei.c
index 0db73d9..cd950e2 100644
--- a/fs/minix/namei.c
+++ b/fs/minix/namei.c
@@ -54,6 +54,18 @@
 	return error;
 }
 
+static int minix_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)
+{
+	int error;
+	struct inode *inode = minix_new_inode(dir, mode, &error);
+	if (inode) {
+		minix_set_inode(inode, 0);
+		mark_inode_dirty(inode);
+		d_tmpfile(dentry, inode);
+	}
+	return error;
+}
+
 static int minix_create(struct inode *dir, struct dentry *dentry, umode_t mode,
 		bool excl)
 {
@@ -254,4 +266,5 @@
 	.mknod		= minix_mknod,
 	.rename		= minix_rename,
 	.getattr	= minix_getattr,
+	.tmpfile	= minix_tmpfile,
 };