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From: Ross Zwisler <ross.zwisler@linux.intel.com>
To: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>,
	linux-nvdimm@lists.01.org,
	Matthew Wilcox <mawilcox@microsoft.com>,
	Dave Chinner <david@fromorbit.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Andreas Dilger <adilger.kernel@dilger.ca>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Jan Kara <jack@suse.com>,
	linux-fsdevel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-ext4@vger.kernel.org
Subject: Re: [PATCH v2 0/9] re-enable DAX PMD support
Date: Tue, 30 Aug 2016 17:01:50 -0600	[thread overview]
Message-ID: <20160830230150.GA12173@linux.intel.com> (raw)
In-Reply-To: <20160823220419.11717-1-ross.zwisler@linux.intel.com>

On Tue, Aug 23, 2016 at 04:04:10PM -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 v1:
>  - PMD entry locking is now done based on the starting offset of the PMD
>    entry, rather than on the radix tree slot which was unreliable. (Jan)
>  - Fixed the one issue I could find with hole punch.  As far as I can tell
>    hole punch now works correctly for both PMD and PTE DAX entries, 4k zero
>    pages and huge zero pages.
>  - Fixed the way that ext2 returns the size of holes in ext2_get_block().
>    (Jan)
>  - Made the 'wait_table' global variable static in respnse to a sparse
>    warning.
>  - Fixed some more inconsitent usage between the names 'ret' and 'entry'
>    for radix tree entry variables.
> 
> Ross Zwisler (9):
>   ext4: allow DAX writeback for hole punch
>   ext2: tell DAX the size of allocation holes
>   ext4: tell DAX the size of allocation holes
>   dax: remove buffer_size_valid()
>   dax: make 'wait_table' global variable static
>   dax: consistent variable naming for DAX entries
>   dax: coordinate locking for offsets in PMD range
>   dax: re-enable DAX PMD support
>   dax: remove "depends on BROKEN" from FS_DAX_PMD
> 
>  fs/Kconfig          |   1 -
>  fs/dax.c            | 297 +++++++++++++++++++++++++++++-----------------------
>  fs/ext2/inode.c     |   3 +
>  fs/ext4/inode.c     |   7 +-
>  include/linux/dax.h |  29 ++++-
>  mm/filemap.c        |   6 +-
>  6 files changed, 201 insertions(+), 142 deletions(-)
> 
> -- 
> 2.9.0

Ping on this series?  Any objections or comments?
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  parent reply	other threads:[~2016-08-30 23:01 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-23 22:04 [PATCH v2 0/9] re-enable DAX PMD support Ross Zwisler
2016-08-23 22:04 ` [PATCH v2 1/9] ext4: allow DAX writeback for hole punch Ross Zwisler
2016-09-21 15:22   ` Ross Zwisler
2016-09-22  6:59     ` Jan Kara
2016-09-22 15:51     ` Theodore Ts'o
2016-08-23 22:04 ` [PATCH v2 2/9] ext2: tell DAX the size of allocation holes Ross Zwisler
     [not found]   ` <20160823220419.11717-3-ross.zwisler-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-08-25  7:57     ` Christoph Hellwig
     [not found]       ` <20160825075728.GA11235-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2016-08-25 19:25         ` Ross Zwisler
2016-08-26 21:29         ` Ross Zwisler
2016-08-29  0:42           ` Dave Chinner
     [not found]           ` <20160826212934.GA11265-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-08-29  7:41             ` Christoph Hellwig
     [not found]               ` <20160829074116.GA16491-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2016-08-29 12:57                 ` Theodore Ts'o
     [not found]                   ` <20160829125741.cdnbb2uaditcmnw2-AKGzg7BKzIDYtjvyW6yDsg@public.gmane.org>
2016-08-30  7:21                     ` Christoph Hellwig
2016-09-09 16:48                     ` Ross Zwisler
2016-09-09 20:35                       ` Matthew Wilcox
     [not found]                         ` <DM2PR21MB0089BCA980B67D8C53B25A1BCBFA0-B2pw06WL+/BAVFCO9/lqPs1VXTxX1y3OvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2016-09-09 22:34                           ` Dan Williams
     [not found]                             ` <CAPcyv4hjna08+Yw23w_V2f-RbBE6ar220+YGCuBVA-TACKWNug-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-09-10  7:31                               ` Christoph Hellwig
2016-09-10  7:50                                 ` Matthew Wilcox
2016-09-10 17:49                                 ` Theodore Ts'o
     [not found]                                   ` <20160910174910.yyirb7smiob7evt5-AKGzg7BKzIDYtjvyW6yDsg@public.gmane.org>
2016-09-11  0:42                                     ` Matthew Wilcox
2016-09-10  8:15                               ` Matthew Wilcox
2016-09-10 14:56                                 ` Dan Williams
2016-09-10  7:30                         ` Christoph Hellwig
2016-09-10  7:33                           ` Matthew Wilcox
2016-09-10  7:42                             ` Christoph Hellwig
2016-09-10  7:52                               ` Matthew Wilcox
     [not found]                                 ` <DM2PR21MB0089C20EF469AA91A916867CCBFD0-B2pw06WL+/BAVFCO9/lqPs1VXTxX1y3OvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2016-09-11 12:47                                   ` Christoph Hellwig
2016-09-11 22:57                                     ` Ross Zwisler
2016-09-10 15:55                           ` Matthew Wilcox
2016-09-15 20:09   ` Ross Zwisler
2016-08-23 22:04 ` [PATCH v2 3/9] ext4: " Ross Zwisler
2016-08-23 22:04 ` [PATCH v2 4/9] dax: remove buffer_size_valid() Ross Zwisler
2016-08-23 22:04 ` [PATCH v2 5/9] dax: make 'wait_table' global variable static Ross Zwisler
2016-08-23 22:04 ` [PATCH v2 6/9] dax: consistent variable naming for DAX entries Ross Zwisler
2016-08-23 22:04 ` [PATCH v2 7/9] dax: coordinate locking for offsets in PMD range Ross Zwisler
2016-08-23 22:04 ` [PATCH v2 8/9] dax: re-enable DAX PMD support Ross Zwisler
2016-08-23 22:04 ` [PATCH v2 9/9] dax: remove "depends on BROKEN" from FS_DAX_PMD Ross Zwisler
2016-08-30 23:01 ` Ross Zwisler [this message]
2016-08-31 20:20   ` [PATCH v2 0/9] re-enable DAX PMD support Kani, Toshimitsu
2016-08-31 21:36     ` Ross Zwisler
2016-08-31 22:08       ` Kani, Toshimitsu
2016-09-01 16:21         ` Ross Zwisler

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