linux-ext4 - Re: [PATCH 4/6] dax: Finish fault completely when loading holes

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Message-ID: <20161201221311.GA13739@linux.intel.com>
Date:   Thu, 1 Dec 2016 15:13:11 -0700
From:   Ross Zwisler <ross.zwisler@...ux.intel.com>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-fsdevel@...r.kernel.org,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        linux-ext4@...r.kernel.org, linux-mm@...ck.org,
        linux-nvdimm@...ts.01.org, Johannes Weiner <hannes@...xchg.org>
Subject: Re: [PATCH 4/6] dax: Finish fault completely when loading holes

On Thu, Nov 24, 2016 at 10:46:34AM +0100, Jan Kara wrote:
> The only case when we do not finish the page fault completely is when we
> are loading hole pages into a radix tree. Avoid this special case and
> finish the fault in that case as well inside the DAX fault handler. It
> will allow us for easier iomap handling.
> 
> Signed-off-by: Jan Kara <jack@...e.cz>

This seems correct to me.

Reviewed-by: Ross Zwisler <ross.zwisler@...ux.intel.com>
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