Re: [PATCH 4/4] nvme: support ranged discard requests
From: Keith Busch <hidden>
Date: 2017-02-07 18:34:54
Also in:
linux-nvme
From: Keith Busch <hidden>
Date: 2017-02-07 18:34:54
Also in:
linux-nvme
On Tue, Feb 07, 2017 at 05:46:58PM +0100, Christoph Hellwig wrote:
@@ -1233,6 +1243,8 @@ static void nvme_set_queue_limits(struct nvme_ctrl *ctrl, if (ctrl->vwc & NVME_CTRL_VWC_PRESENT) vwc = true; blk_queue_write_cache(q, vwc, vwc); + blk_queue_max_discard_segments(q, + PAGE_SIZE / sizeof(struct nvme_dsm_range));
We need to use ctrl->page_size rather than PAGE_SIZE. Otherwise, this looks really good!