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From: "hch@lst.de" <hch@lst.de>
To: Dave Chinner <david@fromorbit.com>
Cc: Jan Kara <jack@suse.cz>, Matthew Wilcox <willy@linux.intel.com>,
	"Wilcox, Matthew R" <matthew.r.wilcox@intel.com>,
	"ross.zwisler@linux.intel.com" <ross.zwisler@linux.intel.com>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"Dilger, Andreas" <andreas.dilger@intel.com>,
	"axboe@kernel.dk" <axboe@kernel.dk>,
	"boaz@plexistor.com" <boaz@plexistor.com>,
	"hch@lst.de" <hch@lst.de>,
	"kirill.shutemov@linux.intel.com"
	<kirill.shutemov@linux.intel.com>,
	"mathieu.desnoyers@efficios.com" <mathieu.desnoyers@efficios.com>,
	"rdunlap@infradead.org" <rdunlap@infradead.org>,
	"tytso@mit.edu" <tytso@mit.edu>,
	"mm-commits@vger.kernel.org" <mm-commits@vger.kernel.org>,
	"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
	xfs@oss.sgi.com
Subject: Re: + ext4-add-dax-functionality.patch added to -mm tree
Date: Wed, 18 Feb 2015 22:59:22 +0100	[thread overview]
Message-ID: <20150218215922.GA2285@lst.de> (raw)
In-Reply-To: <20150218215523.GO12722@dastard>

On Thu, Feb 19, 2015 at 08:55:23AM +1100, Dave Chinner wrote:
> And speaking of phony BHs, the pnfs block layout changes introduce
> an struct iomap and a "map_blocks" method to the export_ops in
> exportfs.h. This is the model what we should be using instead of
> phony BHs for block mapping/allocation operations...

I've got some WIP patches to move the direct I/O code over to that,
DAX would be another natural fit.

WARNING: multiple messages have this Message-ID (diff)
From: "hch@lst.de" <hch@lst.de>
To: Dave Chinner <david@fromorbit.com>
Cc: "axboe@kernel.dk" <axboe@kernel.dk>,
	"boaz@plexistor.com" <boaz@plexistor.com>,
	xfs@oss.sgi.com, Jan Kara <jack@suse.cz>,
	"rdunlap@infradead.org" <rdunlap@infradead.org>,
	"tytso@mit.edu" <tytso@mit.edu>, "hch@lst.de" <hch@lst.de>,
	"mathieu.desnoyers@efficios.com" <mathieu.desnoyers@efficios.com>,
	"Wilcox, Matthew R" <matthew.r.wilcox@intel.com>,
	"mm-commits@vger.kernel.org" <mm-commits@vger.kernel.org>,
	"Dilger, Andreas" <andreas.dilger@intel.com>,
	Matthew Wilcox <willy@linux.intel.com>,
	"ross.zwisler@linux.intel.com" <ross.zwisler@linux.intel.com>,
	"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"kirill.shutemov@linux.intel.com"
	<kirill.shutemov@linux.intel.com>
Subject: Re: + ext4-add-dax-functionality.patch added to -mm tree
Date: Wed, 18 Feb 2015 22:59:22 +0100	[thread overview]
Message-ID: <20150218215922.GA2285@lst.de> (raw)
In-Reply-To: <20150218215523.GO12722@dastard>

On Thu, Feb 19, 2015 at 08:55:23AM +1100, Dave Chinner wrote:
> And speaking of phony BHs, the pnfs block layout changes introduce
> an struct iomap and a "map_blocks" method to the export_ops in
> exportfs.h. This is the model what we should be using instead of
> phony BHs for block mapping/allocation operations...

I've got some WIP patches to move the direct I/O code over to that,
DAX would be another natural fit.

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xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs

  reply	other threads:[~2015-02-18 21:59 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-12 23:11 + ext4-add-dax-functionality.patch added to -mm tree akpm
2015-01-15 12:41 ` Jan Kara
2015-01-16 21:16   ` Wilcox, Matthew R
2015-01-19 14:18     ` Jan Kara
2015-01-19 14:18       ` Jan Kara
2015-02-17  8:52       ` Jan Kara
2015-02-17  8:52         ` Jan Kara
2015-02-17 13:37         ` Matthew Wilcox
2015-02-17 13:37           ` Matthew Wilcox
2015-02-18 10:40           ` Jan Kara
2015-02-18 10:40             ` Jan Kara
2015-02-18 21:55             ` Dave Chinner
2015-02-18 21:59               ` hch [this message]
2015-02-18 21:59                 ` hch
2015-02-19 15:42               ` Jan Kara
2015-02-19 21:12                 ` Dave Chinner
2015-02-19 21:12                   ` Dave Chinner
2015-02-19 23:08                   ` Dave Chinner
2015-02-19 23:08                     ` Dave Chinner
2015-02-20 12:05                   ` Jan Kara
2015-02-20 12:05                     ` Jan Kara
2015-02-20 22:15             ` Matthew Wilcox
2015-02-20 22:15               ` Matthew Wilcox
2015-02-23 12:52               ` Jan Kara
2015-02-23 12:52                 ` Jan Kara

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