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Date:   Thu, 24 Aug 2017 18:45:54 +0200
From:   Jan Kara <jack@...e.cz>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Jan Kara <jack@...e.cz>, linux-fsdevel@...r.kernel.org,
        linux-nvdimm@...ts.01.org, Andy Lutomirski <luto@...nel.org>,
        linux-ext4@...r.kernel.org, linux-xfs@...r.kernel.org,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Boaz Harrosh <boazh@...app.com>
Subject: Re: [PATCH 11/13] dax, iomap: Add support for synchronous faults

On Thu 24-08-17 06:38:09, Christoph Hellwig wrote:
> On Thu, Aug 24, 2017 at 02:34:51PM +0200, Jan Kara wrote:
> > In a subtle but important way ;). The main difference is that if the extent
> > has been already allocated by previous write, but the changing transaction
> > is not yet committed, we will return IOMAP_F_NEEDDSYNC but not IOMAP_F_NEW.
> 
> Ok.  How about a IOMAP_F_DIRTY flag and a better explanation?

OK, will change it.

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR

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