From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751605AbbJCABl (ORCPT ); Fri, 2 Oct 2015 20:01:41 -0400 Received: from mga01.intel.com ([192.55.52.88]:60002 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751402AbbJCABk (ORCPT ); Fri, 2 Oct 2015 20:01:40 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,625,1437462000"; d="scan'208";a="783244406" From: Ross Zwisler To: linux-kernel@vger.kernel.org Cc: Ross Zwisler , Alexander Viro , Matthew Wilcox , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , Dan Williams , Dave Chinner , Jan Kara , "Kirill A. Shutemov" , linux-nvdimm@ml01.01.org Subject: [PATCH v2 0/2] Revert locking changes in DAX for v4.3 Date: Fri, 2 Oct 2015 18:01:32 -0600 Message-Id: <1443830494-8748-1-git-send-email-ross.zwisler@linux.intel.com> X-Mailer: git-send-email 2.1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series reverts some recent changes to the locking scheme in DAX introduced by these two commits: commit 843172978bb9 ("dax: fix race between simultaneous faults") commit 46c043ede471 ("mm: take i_mmap_lock in unmap_mapping_range() for DAX") Changes from v1: - Squashed patches 1 and 2 from the first series into a single patch to avoid adding another spot in the git history where we could end up referencing an uninitialized pointer. Ross Zwisler (2): Revert "mm: take i_mmap_lock in unmap_mapping_range() for DAX" Revert "dax: fix race between simultaneous faults" fs/dax.c | 83 +++++++++++++++++++++++++------------------------------------ mm/memory.c | 2 ++ 2 files changed, 36 insertions(+), 49 deletions(-) -- 2.1.0