From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A91B8ECAAA1 for ; Tue, 6 Sep 2022 11:33:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231562AbiIFLd5 (ORCPT ); Tue, 6 Sep 2022 07:33:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232773AbiIFLdy (ORCPT ); Tue, 6 Sep 2022 07:33:54 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0B4E4C639 for ; Tue, 6 Sep 2022 04:33:52 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4D42261495 for ; Tue, 6 Sep 2022 11:33:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4CEC0C433C1; Tue, 6 Sep 2022 11:33:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1662464031; bh=PWGZ0oeUQZnWbZAaSFi0JfyPs7XVs4g59NpfixJbNR4=; h=Subject:To:Cc:From:Date:From; b=ACmwekb/GRsa+oFhhJqfAc23B40qK7T0dql5vnJMbjmK5FwIow1NdEt4liJa5zwO1 ToYn//RwnCUZQ8YZAMwyvGk6rKBnEkQjUY6i1aEgKiG4wbI/KSN0EgSoTWPoEyveyL Gfqg/0wDo2ehS7C3KgSOODCJ/MW5Ghu184bZT9cQ= Subject: FAILED: patch "[PATCH] smb3: use filemap_write_and_wait_range instead of" failed to apply to 5.19-stable tree To: stfrench@microsoft.com, dhowells@redhat.com, pc@cjr.nz Cc: From: Date: Tue, 06 Sep 2022 13:33:40 +0200 Message-ID: <1662464020117131@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 5.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 3e3761f1ec7df67d88cfca5e2ea98538f529e645 Mon Sep 17 00:00:00 2001 From: Steve French Date: Mon, 29 Aug 2022 11:53:41 -0500 Subject: [PATCH] smb3: use filemap_write_and_wait_range instead of filemap_write_and_wait When doing insert range and collapse range we should be writing out the cached pages for the ranges affected but not the whole file. Fixes: c3a72bb21320 ("smb3: Move the flush out of smb2_copychunk_range() into its callers") Cc: stable@vger.kernel.org Reviewed-by: Paulo Alcantara (SUSE) Reviewed-by: David Howells Signed-off-by: Steve French diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index e9fb338b8e7e..8042d7280dec 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -1219,8 +1219,6 @@ ssize_t cifs_file_copychunk_range(unsigned int xid, cifs_dbg(FYI, "copychunk range\n"); - filemap_write_and_wait(src_inode->i_mapping); - if (!src_file->private_data || !dst_file->private_data) { rc = -EBADF; cifs_dbg(VFS, "missing cifsFileInfo on copy range src file\n"); @@ -1250,6 +1248,12 @@ ssize_t cifs_file_copychunk_range(unsigned int xid, lock_two_nondirectories(target_inode, src_inode); cifs_dbg(FYI, "about to flush pages\n"); + + rc = filemap_write_and_wait_range(src_inode->i_mapping, off, + off + len - 1); + if (rc) + goto out; + /* should we flush first and last page first */ truncate_inode_pages(&target_inode->i_data, 0); diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 7c941ce1e7a9..421be43af425 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -3687,7 +3687,10 @@ static long smb3_collapse_range(struct file *file, struct cifs_tcon *tcon, } filemap_invalidate_lock(inode->i_mapping); - filemap_write_and_wait(inode->i_mapping); + rc = filemap_write_and_wait_range(inode->i_mapping, off, old_eof - 1); + if (rc < 0) + goto out_2; + truncate_pagecache_range(inode, off, old_eof); rc = smb2_copychunk_range(xid, cfile, cfile, off + len, @@ -3738,7 +3741,9 @@ static long smb3_insert_range(struct file *file, struct cifs_tcon *tcon, eof = cpu_to_le64(old_eof + len); filemap_invalidate_lock(inode->i_mapping); - filemap_write_and_wait(inode->i_mapping); + rc = filemap_write_and_wait_range(inode->i_mapping, off, old_eof + len - 1); + if (rc < 0) + goto out_2; truncate_pagecache_range(inode, off, old_eof); rc = SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid,