summaryrefslogtreecommitdiffstats
path: root/drivers/nvme
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2017-11-02 19:28:54 +0100
committerJens Axboe <axboe@kernel.dk>2017-11-11 03:53:25 +0100
commit30e5e929c7bfaf87a65f926715773ef14339b79f (patch)
treec68f29b6e6287b7310086b385d03a3bcd12c6e27 /drivers/nvme
parentnvme: don't pass struct nvme_ns to nvme_init_integrity (diff)
downloadlinux-30e5e929c7bfaf87a65f926715773ef14339b79f.tar.xz
linux-30e5e929c7bfaf87a65f926715773ef14339b79f.zip
nvme: don't pass struct nvme_ns to nvme_config_discard
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>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 88d886b390f4..551ec5df6a97 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -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);
}