From: Christoph Hellwig <hch@lst.de>
To: Dan Williams <dan.j.williams@intel.com>
Cc: linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Christoph Hellwig <hch@lst.de>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>
Subject: Re: fs_dax_get_by_host in the hot path
Date: Thu, 24 Aug 2017 17:19:06 +0200 [thread overview]
Message-ID: <20170824151906.GA26646@lst.de> (raw)
In-Reply-To: <CAPcyv4iuSJ5NFt4dLKWm9gemgKm3WggpFWoMFmbCq8wAKVN6+A@mail.gmail.com>
On Thu, Aug 24, 2017 at 07:48:18AM -0700, Dan Williams wrote:
> Sure, I'll get that fixed up. I believe I arrived at this scheme as a
> side-effect / misunderstanding of this comment:
>
> https://groups.google.com/d/msg/linux.kernel/9ho8SFe6RSw/6zTgNaNTCgAJ
The current scheme is doing the right thing in terms of returning
the dax device from ->iomap_begin. But it still do so efficiently :)
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WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Christoph Hellwig <hch@lst.de>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: fs_dax_get_by_host in the hot path
Date: Thu, 24 Aug 2017 17:19:06 +0200 [thread overview]
Message-ID: <20170824151906.GA26646@lst.de> (raw)
In-Reply-To: <CAPcyv4iuSJ5NFt4dLKWm9gemgKm3WggpFWoMFmbCq8wAKVN6+A@mail.gmail.com>
On Thu, Aug 24, 2017 at 07:48:18AM -0700, Dan Williams wrote:
> Sure, I'll get that fixed up. I believe I arrived at this scheme as a
> side-effect / misunderstanding of this comment:
>
> https://groups.google.com/d/msg/linux.kernel/9ho8SFe6RSw/6zTgNaNTCgAJ
The current scheme is doing the right thing in terms of returning
the dax device from ->iomap_begin. But it still do so efficiently :)
next prev parent reply other threads:[~2017-08-24 15:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-24 13:45 fs_dax_get_by_host in the hot path Christoph Hellwig
2017-08-24 13:45 ` Christoph Hellwig
2017-08-24 14:48 ` Dan Williams
2017-08-24 14:48 ` Dan Williams
2017-08-24 15:19 ` Christoph Hellwig [this message]
2017-08-24 15:19 ` Christoph Hellwig
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