From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f52.google.com (mail-pa0-f52.google.com [209.85.220.52]) by kanga.kvack.org (Postfix) with ESMTP id 3D1286B0038 for ; Wed, 7 Oct 2015 18:58:54 -0400 (EDT) Received: by pablk4 with SMTP id lk4so33934098pab.3 for ; Wed, 07 Oct 2015 15:58:54 -0700 (PDT) Received: from mga02.intel.com (mga02.intel.com. [134.134.136.20]) by mx.google.com with ESMTP id yi1si61140198pbb.246.2015.10.07.15.58.53 for ; Wed, 07 Oct 2015 15:58:53 -0700 (PDT) From: Ross Zwisler 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> Sender: owner-linux-mm@kvack.org List-ID: 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@lists.01.org, Matthew Wilcox 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org