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From: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Dan Williams <dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Theodore Ts'o <tytso-3s7WtUTddSA@public.gmane.org>,
	Matthew Wilcox <mawilcox-0li6OtcxBFHby3iVrkZq2A@public.gmane.org>,
	"linux-nvdimm-y27Ovi1pjclAfugRpC6u6w@public.gmane.org"
	<linux-nvdimm-y27Ovi1pjclAfugRpC6u6w@public.gmane.org>,
	Dave Chinner <david-FqsqvQoI3Ljby3iVrkZq2A@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	"linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org"
	<linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org>,
	Andreas Dilger
	<adilger.kernel-m1MBpc4rdrD3fQ9qLvQP4Q@public.gmane.org>,
	Alexander Viro
	<viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
	Jan Kara <jack-IBi9RG/b67k@public.gmane.org>,
	"linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Subject: Re: [PATCH v2 2/9] ext2: tell DAX the size of allocation holes
Date: Sat, 10 Sep 2016 00:31:51 -0700	[thread overview]
Message-ID: <20160910073151.GB5295@infradead.org> (raw)
In-Reply-To: <CAPcyv4hjna08+Yw23w_V2f-RbBE6ar220+YGCuBVA-TACKWNug-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Fri, Sep 09, 2016 at 03:34:43PM -0700, Dan Williams wrote:
> I agree with you that continuing to touch ext2 is not a good idea, but
> I'm not yet convinced that now is the time to go do dax-2.0 when we
> haven't finished shipping dax-1.0.

I've mentioned this before, but I'd like to repeat it.  With all the
work reqwuired in the file system I would prefer to drop DAX support
in ext2 (and if people really cry for it reinstate the trivial old xip
support).

  parent reply	other threads:[~2016-09-10  7:31 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 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 [this message]
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
     [not found] ` <20160823220419.11717-1-ross.zwisler-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
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 3/9] ext4: tell DAX the size of allocation holes 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   ` [PATCH v2 0/9] re-enable DAX PMD support Ross Zwisler
2016-08-31 20:20     ` Kani, Toshimitsu
     [not found]       ` <1472674799.2092.19.camel-ZPxbGqLxI0U@public.gmane.org>
2016-08-31 21:36         ` Ross Zwisler
     [not found]           ` <20160831213607.GA6921-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-08-31 22:08             ` Kani, Toshimitsu
2016-09-01 16:21               ` Ross Zwisler

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