diff options
author | Christoph Hellwig <hch@lst.de> | 2017-11-02 21:28:56 +0300 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2017-11-10 19:53:25 -0700 |
commit | 24b0b58c5b4a9f6f4bbd1c1efd5afb9a565da3ea (patch) | |
tree | 2b8a979c6c813a3bf4b3c3dee8f4ec9707f89367 | |
parent | 6e78f21ae4488cdab4318f781de05c8ffc4de951 (diff) | |
download | linux-24b0b58c5b4a9f6f4bbd1c1efd5afb9a565da3ea.tar.bz2 |
nvme: split __nvme_revalidate_disk
Split out the code that applies the calculate value to a given disk/queue
into new helper that can be reused by the multipath code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r-- | drivers/nvme/host/core.c | 49 |
1 files changed, 26 insertions, 23 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index a4be843334ba..28d58d353a42 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1157,12 +1157,34 @@ static void nvme_report_ns_ids(struct nvme_ctrl *ctrl, unsigned int nsid, } } +static void nvme_update_disk_info(struct gendisk *disk, + struct nvme_ns *ns, struct nvme_id_ns *id) +{ + sector_t capacity = le64_to_cpup(&id->nsze) << (ns->lba_shift - 9); + unsigned stream_alignment = 0; + + if (ns->ctrl->nr_streams && ns->sws && ns->sgs) + stream_alignment = ns->sws * ns->sgs; + + blk_mq_freeze_queue(disk->queue); + blk_integrity_unregister(disk); + + blk_queue_logical_block_size(disk->queue, 1 << ns->lba_shift); + if (ns->ms && !ns->ext && + (ns->ctrl->ops->flags & NVME_F_METADATA_SUPPORTED)) + nvme_init_integrity(disk, ns->ms, ns->pi_type); + if (ns->ms && !(ns->ms == 8 && ns->pi_type) && !blk_get_integrity(disk)) + capacity = 0; + set_capacity(disk, capacity); + + if (ns->ctrl->oncs & NVME_CTRL_ONCS_DSM) + nvme_config_discard(ns->ctrl, stream_alignment, disk->queue); + blk_mq_unfreeze_queue(disk->queue); +} + 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; /* * If identify namespace failed, use default 512 byte block size so @@ -1171,7 +1193,6 @@ static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id) ns->lba_shift = id->lbaf[id->flbas & NVME_NS_FLBAS_LBA_MASK].ds; if (ns->lba_shift == 0) ns->lba_shift = 9; - bs = 1 << ns->lba_shift; ns->noiob = le16_to_cpu(id->noiob); ns->ext = ns->ms && (id->flbas & NVME_NS_FLBAS_META_EXT); ns->ms = le16_to_cpu(id->lbaf[id->flbas & NVME_NS_FLBAS_LBA_MASK].ms); @@ -1181,27 +1202,9 @@ 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; - if (ns->noiob) nvme_set_chunk_size(ns); - - blk_mq_freeze_queue(disk->queue); - blk_integrity_unregister(disk); - - blk_queue_logical_block_size(ns->queue, bs); - if (ns->ms && !ns->ext && - (ctrl->ops->flags & NVME_F_METADATA_SUPPORTED)) - nvme_init_integrity(disk, ns->ms, ns->pi_type); - if (ns->ms && !(ns->ms == 8 && ns->pi_type) && !blk_get_integrity(disk)) - set_capacity(disk, 0); - else - set_capacity(disk, le64_to_cpup(&id->nsze) << (ns->lba_shift - 9)); - - if (ctrl->oncs & NVME_CTRL_ONCS_DSM) - nvme_config_discard(ctrl, stream_alignment, disk->queue); - blk_mq_unfreeze_queue(disk->queue); + nvme_update_disk_info(disk, ns, id); } static int nvme_revalidate_disk(struct gendisk *disk) |