linux-kernel - Re: [PATCH 01/12] xfs: initialize iomap->flags in xfs_bmbt_to

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Message-ID: <20191015212020.GU16973@dread.disaster.area>
Date:   Wed, 16 Oct 2019 08:20:20 +1100
From:   Dave Chinner <david@...morbit.com>
To:     Christoph Hellwig <hch@....de>
Cc:     "Darrick J . Wong" <darrick.wong@...cle.com>,
        Damien Le Moal <Damien.LeMoal@....com>,
        Andreas Gruenbacher <agruenba@...hat.com>,
        linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/12] xfs: initialize iomap->flags in xfs_bmbt_to_iomap

On Tue, Oct 15, 2019 at 05:43:34PM +0200, Christoph Hellwig wrote:
> Currently we don't overwrite the flags field in the iomap in
> xfs_bmbt_to_iomap.  This works fine with 0-initialized iomaps on stack,
> but is harmful once we want to be able to reuse an iomap in the
> writeback code.  Replace the shared paramter with a set of initial
> flags an thus ensures the flags field is always reinitialized.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>

Looks fine.

Reviewed-by: Dave Chinner <dchinner@...hat.com>
-- 
Dave Chinner
david@...morbit.com