Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753150AbcLCDWj (ORCPT ); Fri, 2 Dec 2016 22:22:39 -0500 Received: from mx2.suse.de ([195.135.220.15]:49414 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750862AbcLCDWi (ORCPT ); Fri, 2 Dec 2016 22:22:38 -0500 To: Jiri Slaby Cc: Chris Mason , "linux-kernel@vger.kernel.org" From: Jeff Mahoney Subject: [PATCH] Revert "Btrfs: don't delay inode ref updates during log, replay" Message-ID: <0b303b40-57c2-c95e-5e50-804e0c757482@suse.com> Date: Fri, 2 Dec 2016 22:21:55 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:50.0) Gecko/20100101 Thunderbird/50.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1744 Lines: 49 This reverts commit 644d10716875b24388680925d6c7502420987bfe. The original patch for mainline, 6f8960541b1 (Btrfs: don't delay inode ref updates during log replay) lists 1d52c78afbb (Btrfs: try not to ENOSPC on log replay) as the only pre-3.18 dependency, but it also depends on 67de11769bd (Btrfs: introduce the delayed inode ref deletion for the single link inode), which was introduced in 3.14 and isn't in 3.12.y. The -stable commit added the check to btrfs_delayed_update_inode, which may look similar to btrfs_delayed_delete_inode_ref, but it's only superficial. The tops of both functions handle typical delayed node boilerplate. The upshot is that the patch is harmless since the caller already checks to see if we're doing log recovery, so we're not breaking anything. It should be reverted because it makes it appear as if this issue was fixed for users who did backport 67de11769bd, when it is not. Signed-off-by: Jeff Mahoney --- fs/btrfs/delayed-inode.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 34f33e1..269ac79 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -1805,14 +1805,6 @@ int btrfs_delayed_update_inode(struct btrfs_trans_handle *trans, struct btrfs_delayed_node *delayed_node; int ret = 0; - /* - * we don't do delayed inode updates during log recovery because it - * leads to enospc problems. This means we also can't do - * delayed inode refs - */ - if (BTRFS_I(inode)->root->fs_info->log_root_recovering) - return -EAGAIN; - delayed_node = btrfs_get_or_create_delayed_node(inode); if (IS_ERR(delayed_node)) return PTR_ERR(delayed_node); -- 2.7.1 -- Jeff Mahoney SUSE Labs