Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S940920AbcKXLEK (ORCPT ); Thu, 24 Nov 2016 06:04:10 -0500 Received: from mail-wm0-f48.google.com ([74.125.82.48]:35411 "EHLO mail-wm0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936026AbcKXLEI (ORCPT ); Thu, 24 Nov 2016 06:04:08 -0500 From: Miklos Szeredi To: linux-unionfs@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/7] vfs: export filp_clone_open() Date: Thu, 24 Nov 2016 11:55:39 +0100 Message-Id: <1479984944-1017-4-git-send-email-mszeredi@redhat.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1479984944-1017-1-git-send-email-mszeredi@redhat.com> References: <1479984944-1017-1-git-send-email-mszeredi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1493 Lines: 39 Already exported to modules, just needs to move declaration from "fs/internal.h" to . This will be used by overlayfs to clone a read-only file that has been copied up after being opened. The clone will refer to the copied-up uppper file instead of the original, lower file. Signed-off-by: Miklos Szeredi --- fs/internal.h | 1 - include/linux/fs.h | 1 + 2 files changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/internal.h b/fs/internal.h index f4da3341b4a3..361ba1c12698 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -112,7 +112,6 @@ extern long do_handle_open(int mountdirfd, struct file_handle __user *ufh, int open_flag); extern int open_check_o_direct(struct file *f); extern int vfs_open(const struct path *, struct file *, const struct cred *); -extern struct file *filp_clone_open(struct file *); /* * inode.c diff --git a/include/linux/fs.h b/include/linux/fs.h index 87a32f999812..e3bc970214e1 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2355,6 +2355,7 @@ extern struct file *filp_open(const char *, int, umode_t); extern struct file *file_open_root(struct dentry *, struct vfsmount *, const char *, int, umode_t); extern struct file * dentry_open(const struct path *, int, const struct cred *); +extern struct file *filp_clone_open(struct file *); extern int filp_close(struct file *, fl_owner_t id); extern struct filename *getname_flags(const char __user *, int, int *); -- 2.5.5