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Commit 30e5e929 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

nvme: don't pass struct nvme_ns to nvme_config_discard 



To allow reusing this function for the multipath node.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarKeith Busch <keith.busch@intel.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 39b7baa4

drivers/nvme/host/core.c

+17 −16
Original line number Diff line number Diff line
@@ -1118,29 +1118,26 @@ static void nvme_set_chunk_size(struct nvme_ns *ns) 
	blk_queue_chunk_sectors(ns->queue, rounddown_pow_of_two(chunk_size));

}



static void nvme_config_discard(struct nvme_ns *ns)

static void nvme_config_discard(struct nvme_ctrl *ctrl,

		unsigned stream_alignment, struct request_queue *queue)

{

	struct nvme_ctrl *ctrl = ns->ctrl;

	u32 logical_block_size = queue_logical_block_size(ns->queue);

	u32 size = queue_logical_block_size(queue);



	if (stream_alignment)

		size *= stream_alignment;



	BUILD_BUG_ON(PAGE_SIZE / sizeof(struct nvme_dsm_range) <

			NVME_DSM_MAX_RANGES);



	if (ctrl->nr_streams && ns->sws && ns->sgs) {

		unsigned int sz = logical_block_size * ns->sws * ns->sgs;

	queue->limits.discard_alignment = size;

	queue->limits.discard_granularity = size;



		ns->queue->limits.discard_alignment = sz;

		ns->queue->limits.discard_granularity = sz;

	} else {

		ns->queue->limits.discard_alignment = logical_block_size;

		ns->queue->limits.discard_granularity = logical_block_size;

	}

	blk_queue_max_discard_sectors(ns->queue, UINT_MAX);

	blk_queue_max_discard_segments(ns->queue, NVME_DSM_MAX_RANGES);

	queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, ns->queue);

	blk_queue_max_discard_sectors(queue, UINT_MAX);

	blk_queue_max_discard_segments(queue, NVME_DSM_MAX_RANGES);

	queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, queue);



	if (ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES)

		blk_queue_max_write_zeroes_sectors(ns->queue, UINT_MAX);

		blk_queue_max_write_zeroes_sectors(queue, UINT_MAX);

}



static void nvme_report_ns_ids(struct nvme_ctrl *ctrl, unsigned int nsid,
@@ -1164,6 +1161,7 @@ static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id) 
{

	struct nvme_ns *ns = disk->private_data;

	struct nvme_ctrl *ctrl = ns->ctrl;

	unsigned stream_alignment = 0;

	u16 bs;



	/*
@@ -1183,6 +1181,9 @@ static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id) 
	else

		ns->pi_type = 0;



	if (ctrl->nr_streams && ns->sws && ns->sgs)

		stream_alignment = ns->sws * ns->sgs;



	blk_mq_freeze_queue(disk->queue);

	blk_integrity_unregister(disk);
@@ -1198,7 +1199,7 @@ static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id) 
		set_capacity(disk, le64_to_cpup(&id->nsze) << (ns->lba_shift - 9));



	if (ctrl->oncs & NVME_CTRL_ONCS_DSM)

		nvme_config_discard(ns);

		nvme_config_discard(ctrl, stream_alignment, disk->queue);

	blk_mq_unfreeze_queue(disk->queue);

}