From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from userp1040.oracle.com ([156.151.31.81]:29000 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758261AbaDIHJv (ORCPT ); Wed, 9 Apr 2014 03:09:51 -0400 From: Liu Bo To: linux-btrfs@vger.kernel.org Cc: Marcel Ritter , Christian Robert , , Konstantinos Skarlatos , David Sterba , Martin Steigerwald , Josef Bacik , Chris Mason Subject: [PATCH v9 13/16] Btrfs: fix transactin abortion in __btrfs_free_extent Date: Wed, 9 Apr 2014 15:08:41 +0800 Message-Id: <1397027325-27151-14-git-send-email-bo.li.liu@oracle.com> In-Reply-To: <1397027325-27151-1-git-send-email-bo.li.liu@oracle.com> References: <1397027325-27151-1-git-send-email-bo.li.liu@oracle.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: We need to reset @refs_to_drop to 1 when we're going to delete the last special dedup reference, otherwise we can trigger (@refs < @refs_to_drop) and end up with transaction abortion. Signed-off-by: Liu Bo --- fs/btrfs/extent-tree.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 4c1c342..1cb3ec5 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -5931,6 +5931,7 @@ again: btrfs_release_path(path); root_objectid = BTRFS_DEDUP_TREE_OBJECTID; parent = 0; + refs_to_drop = 1; goto again; } -- 1.8.2.1