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nvme: don't pass struct nvme_ns to nvme_config_discard

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To allow reusing this function for the multipath node.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2017-11-02 21:28:54 +03:00 committed by Jens Axboe
parent 39b7baa410
commit 30e5e929c7
1 changed files with 17 additions and 16 deletions
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33
drivers/nvme/host/core.c
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@ -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);
}