From: Christoph Hellwig <hch@infradead.org>
To: Rik van Riel <riel@redhat.com>
Cc: Boaz Harrosh <boaz@plexistor.com>,
Matthew Wilcox <willy@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Dan Williams <dan.j.williams@intel.com>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
axboe@kernel.dk, linux-nvdimm@ml01.01.org,
Dave Hansen <dave.hansen@linux.intel.com>,
linux-raid@vger.kernel.org, mgorman@suse.de, hch@infradead.org,
linux-fsdevel@vger.kernel.org,
"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [RFC PATCH 0/7] evacuate struct page from the block layer
Date: Mon, 23 Mar 2015 12:30:17 -0700 [thread overview]
Message-ID: <20150323193017.GA14179@infradead.org> (raw)
In-Reply-To: <55102EEB.2090401@redhat.com>
On Mon, Mar 23, 2015 at 11:19:07AM -0400, Rik van Riel wrote:
> There are two things going on here:
>
> 1) You want to keep using struct page for now, while there are
> subsystems that require it. This is perfectly legitimate.
>
> 2) Matthew and Dan are changing over some subsystems to no longer
> require struct page. This is perfectly legitimate.
>
> I do not understand why either of you would have to object to what
> the other is doing. There is room to keep using struct page until
> the rest of the kernel no longer requires it.
*nod*
I'd really like to merge the struct page based pmem driver ASAP. We can
then look into work that avoid the need for struct page, and I think Dan
is doing some good work in that direction.
next prev parent reply other threads:[~2015-03-23 19:30 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-16 20:25 [RFC PATCH 0/7] evacuate struct page from the block layer Dan Williams
2015-03-16 20:25 ` Dan Williams
2015-03-16 20:25 ` [RFC PATCH 1/7] block: add helpers for accessing a bio_vec page Dan Williams
2015-03-16 20:25 ` Dan Williams
2015-03-16 20:25 ` [RFC PATCH 2/7] block: convert bio_vec.bv_page to bv_pfn Dan Williams
2015-03-16 20:25 ` Dan Williams
2015-03-16 23:05 ` Al Viro
2015-03-17 13:02 ` Matthew Wilcox
2015-03-17 15:53 ` Dan Williams
2015-03-16 20:25 ` [RFC PATCH 3/7] dma-mapping: allow archs to optionally specify a ->map_pfn() operation Dan Williams
2015-03-16 20:25 ` Dan Williams
2015-03-18 11:21 ` [Linux-nvdimm] " Boaz Harrosh
2015-03-18 11:21 ` Boaz Harrosh
2015-03-16 20:25 ` [RFC PATCH 4/7] scatterlist: use sg_phys() Dan Williams
2015-03-16 20:25 ` Dan Williams
2015-03-16 20:25 ` [RFC PATCH 5/7] scatterlist: support "page-less" (__pfn_t only) entries Dan Williams
2015-03-16 20:25 ` Dan Williams
2015-03-16 20:25 ` [RFC PATCH 6/7] x86: support dma_map_pfn() Dan Williams
2015-03-16 20:25 ` Dan Williams
2015-03-16 20:26 ` [RFC PATCH 7/7] block: base support for pfn i/o Dan Williams
2015-03-16 20:26 ` Dan Williams
2015-03-18 10:47 ` [RFC PATCH 0/7] evacuate struct page from the block layer Boaz Harrosh
2015-03-18 10:47 ` Boaz Harrosh
2015-03-18 13:06 ` Matthew Wilcox
2015-03-18 13:06 ` Matthew Wilcox
2015-03-18 14:38 ` [Linux-nvdimm] " Boaz Harrosh
2015-03-18 14:38 ` Boaz Harrosh
2015-03-20 15:56 ` Rik van Riel
2015-03-22 11:53 ` Boaz Harrosh
2015-03-18 15:35 ` Dan Williams
2015-03-18 15:35 ` Dan Williams
2015-03-18 20:26 ` Andrew Morton
2015-03-19 13:43 ` Matthew Wilcox
2015-03-19 15:54 ` [Linux-nvdimm] " Boaz Harrosh
2015-03-19 19:59 ` Andrew Morton
2015-03-19 20:59 ` Dan Williams
2015-03-22 17:22 ` Boaz Harrosh
2015-03-20 17:32 ` Wols Lists
2015-03-22 10:30 ` Boaz Harrosh
2015-03-19 18:17 ` Christoph Hellwig
2015-03-19 19:31 ` Matthew Wilcox
2015-03-22 16:46 ` Boaz Harrosh
2015-03-20 16:21 ` Rik van Riel
2015-03-20 20:31 ` Matthew Wilcox
2015-03-20 21:08 ` Rik van Riel
2015-03-22 17:06 ` Boaz Harrosh
2015-03-22 17:22 ` Dan Williams
2015-03-22 17:39 ` Boaz Harrosh
2015-03-20 21:17 ` Wols Lists
2015-03-22 16:24 ` Boaz Harrosh
2015-03-22 15:51 ` Boaz Harrosh
2015-03-23 15:19 ` Rik van Riel
2015-03-23 19:30 ` Christoph Hellwig [this message]
2015-03-24 9:41 ` Boaz Harrosh
2015-03-24 16:57 ` Rik van Riel
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