Re: [PATCH 07/12] iomap: zero newly allocated mapped blocks

From: Dave Chinner
Date: Tue Oct 15 2019 - 17:32:45 EST


On Tue, Oct 15, 2019 at 05:43:40PM +0200, Christoph Hellwig wrote:
> File systems like gfs2 don't support delayed allocations or unwritten
> extents and thus allocate normal mapped blocks to fill holes. To
> cover the case of such file systems allocating new blocks to fill holes
> also zero out mapped blocks with the new flag.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

Sensible.

Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>


--
Dave Chinner
david@xxxxxxxxxxxxx