From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ross Zwisler Subject: Re: [PATCH v8 00/16] re-enable DAX PMD support Date: Thu, 27 Oct 2016 08:41:55 -0600 Message-ID: <20161027144155.GB1238@linux.intel.com> References: <1476905675-32581-1-git-send-email-ross.zwisler@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel@vger.kernel.org, Theodore Ts'o , Alexander Viro , Andreas Dilger , Andrew Morton , Christoph Hellwig , Dan Williams , Dave Chinner , Jan Kara , Matthew Wilcox , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@lists.01.org, linux-xfs@vger.kernel.org To: Dave Chinner Return-path: Content-Disposition: inline In-Reply-To: <1476905675-32581-1-git-send-email-ross.zwisler@linux.intel.com> Sender: owner-linux-mm@kvack.org List-Id: linux-ext4.vger.kernel.org On Wed, Oct 19, 2016 at 01:34:19PM -0600, Ross Zwisler wrote: > DAX PMDs have been disabled since Jan Kara introduced DAX radix tree based > locking. This series allows DAX PMDs to participate in the DAX radix tree > based locking scheme so that they can be re-enabled. > > Changes since v7: > - Rebased on v4.9-rc1, dropping one ext4 patch that had already been merged. > - Added Reviewed-by tags from Jan Kara. > > Here is a tree containing my changes: > https://git.kernel.org/cgit/linux/kernel/git/zwisler/linux.git/log/?h=dax_pmd_v8 > > Ross Zwisler (16): > ext4: tell DAX the size of allocation holes > dax: remove buffer_size_valid() > ext2: remove support for DAX PMD faults > dax: make 'wait_table' global variable static > dax: remove the last BUG_ON() from fs/dax.c > dax: consistent variable naming for DAX entries > dax: coordinate locking for offsets in PMD range > dax: remove dax_pmd_fault() > dax: correct dax iomap code namespace > dax: add dax_iomap_sector() helper function > dax: dax_iomap_fault() needs to call iomap_end() > dax: move RADIX_DAX_* defines to dax.h > dax: move put_(un)locked_mapping_entry() in dax.c > dax: add struct iomap based DAX PMD support > xfs: use struct iomap based DAX PMD fault path > dax: remove "depends on BROKEN" from FS_DAX_PMD > > fs/Kconfig | 1 - > fs/dax.c | 826 +++++++++++++++++++++++++++++----------------------- > fs/ext2/file.c | 35 +-- > fs/ext4/inode.c | 3 + > fs/xfs/xfs_aops.c | 26 +- > fs/xfs/xfs_aops.h | 3 - > fs/xfs/xfs_file.c | 10 +- > include/linux/dax.h | 58 +++- > mm/filemap.c | 5 +- > 9 files changed, 537 insertions(+), 430 deletions(-) > > -- > 2.7.4 Ping on this series. Dave, is the plan still for you to pull this in via the XFS development tree? Do you need anything else on my side for this? -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Thu, 27 Oct 2016 08:41:55 -0600 From: Ross Zwisler Subject: Re: [PATCH v8 00/16] re-enable DAX PMD support Message-ID: <20161027144155.GB1238@linux.intel.com> References: <1476905675-32581-1-git-send-email-ross.zwisler@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1476905675-32581-1-git-send-email-ross.zwisler@linux.intel.com> Sender: owner-linux-mm@kvack.org To: Dave Chinner Cc: linux-kernel@vger.kernel.org, Theodore Ts'o , Alexander Viro , Andreas Dilger , Andrew Morton , Christoph Hellwig , Dan Williams , Jan Kara , Matthew Wilcox , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@lists.01.org, linux-xfs@vger.kernel.org List-ID: On Wed, Oct 19, 2016 at 01:34:19PM -0600, Ross Zwisler wrote: > DAX PMDs have been disabled since Jan Kara introduced DAX radix tree based > locking. This series allows DAX PMDs to participate in the DAX radix tree > based locking scheme so that they can be re-enabled. > > Changes since v7: > - Rebased on v4.9-rc1, dropping one ext4 patch that had already been merged. > - Added Reviewed-by tags from Jan Kara. > > Here is a tree containing my changes: > https://git.kernel.org/cgit/linux/kernel/git/zwisler/linux.git/log/?h=dax_pmd_v8 > > Ross Zwisler (16): > ext4: tell DAX the size of allocation holes > dax: remove buffer_size_valid() > ext2: remove support for DAX PMD faults > dax: make 'wait_table' global variable static > dax: remove the last BUG_ON() from fs/dax.c > dax: consistent variable naming for DAX entries > dax: coordinate locking for offsets in PMD range > dax: remove dax_pmd_fault() > dax: correct dax iomap code namespace > dax: add dax_iomap_sector() helper function > dax: dax_iomap_fault() needs to call iomap_end() > dax: move RADIX_DAX_* defines to dax.h > dax: move put_(un)locked_mapping_entry() in dax.c > dax: add struct iomap based DAX PMD support > xfs: use struct iomap based DAX PMD fault path > dax: remove "depends on BROKEN" from FS_DAX_PMD > > fs/Kconfig | 1 - > fs/dax.c | 826 +++++++++++++++++++++++++++++----------------------- > fs/ext2/file.c | 35 +-- > fs/ext4/inode.c | 3 + > fs/xfs/xfs_aops.c | 26 +- > fs/xfs/xfs_aops.h | 3 - > fs/xfs/xfs_file.c | 10 +- > include/linux/dax.h | 58 +++- > mm/filemap.c | 5 +- > 9 files changed, 537 insertions(+), 430 deletions(-) > > -- > 2.7.4 Ping on this series. Dave, is the plan still for you to pull this in via the XFS development tree? Do you need anything else on my side for this? -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga04.intel.com ([192.55.52.120]:45329 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S942821AbcJ0Ol5 (ORCPT ); Thu, 27 Oct 2016 10:41:57 -0400 Date: Thu, 27 Oct 2016 08:41:55 -0600 From: Ross Zwisler Subject: Re: [PATCH v8 00/16] re-enable DAX PMD support Message-ID: <20161027144155.GB1238@linux.intel.com> References: <1476905675-32581-1-git-send-email-ross.zwisler@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1476905675-32581-1-git-send-email-ross.zwisler@linux.intel.com> Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: Dave Chinner Cc: linux-kernel@vger.kernel.org, Theodore Ts'o , Alexander Viro , Andreas Dilger , Andrew Morton , Christoph Hellwig , Dan Williams , Jan Kara , Matthew Wilcox , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@lists.01.org, linux-xfs@vger.kernel.org On Wed, Oct 19, 2016 at 01:34:19PM -0600, Ross Zwisler wrote: > DAX PMDs have been disabled since Jan Kara introduced DAX radix tree based > locking. This series allows DAX PMDs to participate in the DAX radix tree > based locking scheme so that they can be re-enabled. > > Changes since v7: > - Rebased on v4.9-rc1, dropping one ext4 patch that had already been merged. > - Added Reviewed-by tags from Jan Kara. > > Here is a tree containing my changes: > https://git.kernel.org/cgit/linux/kernel/git/zwisler/linux.git/log/?h=dax_pmd_v8 > > Ross Zwisler (16): > ext4: tell DAX the size of allocation holes > dax: remove buffer_size_valid() > ext2: remove support for DAX PMD faults > dax: make 'wait_table' global variable static > dax: remove the last BUG_ON() from fs/dax.c > dax: consistent variable naming for DAX entries > dax: coordinate locking for offsets in PMD range > dax: remove dax_pmd_fault() > dax: correct dax iomap code namespace > dax: add dax_iomap_sector() helper function > dax: dax_iomap_fault() needs to call iomap_end() > dax: move RADIX_DAX_* defines to dax.h > dax: move put_(un)locked_mapping_entry() in dax.c > dax: add struct iomap based DAX PMD support > xfs: use struct iomap based DAX PMD fault path > dax: remove "depends on BROKEN" from FS_DAX_PMD > > fs/Kconfig | 1 - > fs/dax.c | 826 +++++++++++++++++++++++++++++----------------------- > fs/ext2/file.c | 35 +-- > fs/ext4/inode.c | 3 + > fs/xfs/xfs_aops.c | 26 +- > fs/xfs/xfs_aops.h | 3 - > fs/xfs/xfs_file.c | 10 +- > include/linux/dax.h | 58 +++- > mm/filemap.c | 5 +- > 9 files changed, 537 insertions(+), 430 deletions(-) > > -- > 2.7.4 Ping on this series. Dave, is the plan still for you to pull this in via the XFS development tree? Do you need anything else on my side for this? From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S943132AbcJ0OmH (ORCPT ); Thu, 27 Oct 2016 10:42:07 -0400 Received: from mga04.intel.com ([192.55.52.120]:45329 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S942821AbcJ0Ol5 (ORCPT ); Thu, 27 Oct 2016 10:41:57 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,553,1473145200"; d="scan'208";a="184544800" Date: Thu, 27 Oct 2016 08:41:55 -0600 From: Ross Zwisler To: Dave Chinner Cc: linux-kernel@vger.kernel.org, "Theodore Ts'o" , Alexander Viro , Andreas Dilger , Andrew Morton , Christoph Hellwig , Dan Williams , Dave Chinner , Jan Kara , Matthew Wilcox , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@ml01.01.org, linux-xfs@vger.kernel.org Subject: Re: [PATCH v8 00/16] re-enable DAX PMD support Message-ID: <20161027144155.GB1238@linux.intel.com> Mail-Followup-To: Ross Zwisler , Dave Chinner , linux-kernel@vger.kernel.org, Theodore Ts'o , Alexander Viro , Andreas Dilger , Andrew Morton , Christoph Hellwig , Dan Williams , Jan Kara , Matthew Wilcox , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@lists.01.org, linux-xfs@vger.kernel.org References: <1476905675-32581-1-git-send-email-ross.zwisler@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1476905675-32581-1-git-send-email-ross.zwisler@linux.intel.com> User-Agent: Mutt/1.7.1 (2016-10-04) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 19, 2016 at 01:34:19PM -0600, Ross Zwisler wrote: > DAX PMDs have been disabled since Jan Kara introduced DAX radix tree based > locking. This series allows DAX PMDs to participate in the DAX radix tree > based locking scheme so that they can be re-enabled. > > Changes since v7: > - Rebased on v4.9-rc1, dropping one ext4 patch that had already been merged. > - Added Reviewed-by tags from Jan Kara. > > Here is a tree containing my changes: > https://git.kernel.org/cgit/linux/kernel/git/zwisler/linux.git/log/?h=dax_pmd_v8 > > Ross Zwisler (16): > ext4: tell DAX the size of allocation holes > dax: remove buffer_size_valid() > ext2: remove support for DAX PMD faults > dax: make 'wait_table' global variable static > dax: remove the last BUG_ON() from fs/dax.c > dax: consistent variable naming for DAX entries > dax: coordinate locking for offsets in PMD range > dax: remove dax_pmd_fault() > dax: correct dax iomap code namespace > dax: add dax_iomap_sector() helper function > dax: dax_iomap_fault() needs to call iomap_end() > dax: move RADIX_DAX_* defines to dax.h > dax: move put_(un)locked_mapping_entry() in dax.c > dax: add struct iomap based DAX PMD support > xfs: use struct iomap based DAX PMD fault path > dax: remove "depends on BROKEN" from FS_DAX_PMD > > fs/Kconfig | 1 - > fs/dax.c | 826 +++++++++++++++++++++++++++++----------------------- > fs/ext2/file.c | 35 +-- > fs/ext4/inode.c | 3 + > fs/xfs/xfs_aops.c | 26 +- > fs/xfs/xfs_aops.h | 3 - > fs/xfs/xfs_file.c | 10 +- > include/linux/dax.h | 58 +++- > mm/filemap.c | 5 +- > 9 files changed, 537 insertions(+), 430 deletions(-) > > -- > 2.7.4 Ping on this series. Dave, is the plan still for you to pull this in via the XFS development tree? Do you need anything else on my side for this?