From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752290AbbJGW6z (ORCPT ); Wed, 7 Oct 2015 18:58:55 -0400 Received: from mga11.intel.com ([192.55.52.93]:53817 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750944AbbJGW6x (ORCPT ); Wed, 7 Oct 2015 18:58:53 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,651,1437462000"; d="scan'208";a="821695787" 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, Matthew Wilcox Subject: [PATCH v5] Fix DAX deadlocks for v4.3 Date: Wed, 7 Oct 2015 16:58:48 -0600 Message-Id: <1444258729-21974-1-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 was previously "Revert locking changes in DAX for v4.3". Undo 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 v4: - Collapsed two revert commits into a single fix commit. No code changes were made. Ross Zwisler (1): mm, dax: fix DAX deadlocks fs/dax.c | 70 +++++++++++++++++++++++++------------------------------------ mm/memory.c | 2 ++ 2 files changed, 31 insertions(+), 41 deletions(-) -- 2.1.0