1. 2018-09-27 Re: [PATCH 04/10] xfs: simplify the IOMAP_ZERO check linux-xfs Christoph Hellwig 2. 2018-09-26 Re: [PATCH 04/10] xfs: simplify the IOMAP_ZERO check linux-xfs Brian Foster 3. 2018-09-20 Re: [PATCH 04/10] xfs: simplify the IOMAP_ZERO check linux-xfs Darrick J. Wong 4. 2018-09-17 [PATCH 04/10] xfs: simplify the IOMAP_ZERO check in x linux-xfs Christoph Hellwig