nvme: set the queue limits in nvme_update_ns_info

Only set the queue limits once we have the real block size.  This also
updates the limits on a rescan if needed.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 910198c..bb630d5 100644 (file)
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2010,6 +2010,26 @@ static int nvme_configure_metadata(struct nvme_ns *ns, struct nvme_id_ns *id)
        return 0;
 }
 
+static void nvme_set_queue_limits(struct nvme_ctrl *ctrl,
+               struct request_queue *q)
+{
+       bool vwc = false;
+
+       if (ctrl->max_hw_sectors) {
+               u32 max_segments =
+                       (ctrl->max_hw_sectors / (NVME_CTRL_PAGE_SIZE >> 9)) + 1;
+
+               max_segments = min_not_zero(max_segments, ctrl->max_segments);
+               blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors);
+               blk_queue_max_segments(q, min_t(u32, max_segments, USHRT_MAX));
+       }
+       blk_queue_virt_boundary(q, NVME_CTRL_PAGE_SIZE - 1);
+       blk_queue_dma_alignment(q, 7);
+       if (ctrl->vwc & NVME_CTRL_VWC_PRESENT)
+               vwc = true;
+       blk_queue_write_cache(q, vwc, vwc);
+}
+
 static void nvme_update_disk_info(struct gendisk *disk,
                struct nvme_ns *ns, struct nvme_id_ns *id)
 {
@@ -2130,6 +2150,7 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_id_ns *id)
 
        blk_mq_freeze_queue(ns->disk->queue);
        ns->lba_shift = id->lbaf[lbaf].ds;
+       nvme_set_queue_limits(ctrl, ns->queue);
 
        switch (ns->head->ids.csi) {
        case NVME_CSI_NVM:
@@ -2495,26 +2516,6 @@ int nvme_shutdown_ctrl(struct nvme_ctrl *ctrl)
 }
 EXPORT_SYMBOL_GPL(nvme_shutdown_ctrl);
 
-static void nvme_set_queue_limits(struct nvme_ctrl *ctrl,
-               struct request_queue *q)
-{
-       bool vwc = false;
-
-       if (ctrl->max_hw_sectors) {
-               u32 max_segments =
-                       (ctrl->max_hw_sectors / (NVME_CTRL_PAGE_SIZE >> 9)) + 1;
-
-               max_segments = min_not_zero(max_segments, ctrl->max_segments);
-               blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors);
-               blk_queue_max_segments(q, min_t(u32, max_segments, USHRT_MAX));
-       }
-       blk_queue_virt_boundary(q, NVME_CTRL_PAGE_SIZE - 1);
-       blk_queue_dma_alignment(q, 7);
-       if (ctrl->vwc & NVME_CTRL_VWC_PRESENT)
-               vwc = true;
-       blk_queue_write_cache(q, vwc, vwc);
-}
-
 static int nvme_configure_timestamp(struct nvme_ctrl *ctrl)
 {
        __le64 ts;
@@ -3922,12 +3923,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
 
        ns->queue->queuedata = ns;
        ns->ctrl = ctrl;
-
        kref_init(&ns->kref);
-       ns->lba_shift = 9; /* set to a default value for 512 until disk is validated */
-
-       blk_queue_logical_block_size(ns->queue, 1 << ns->lba_shift);
-       nvme_set_queue_limits(ctrl, ns->queue);
 
        ret = nvme_init_ns_head(ns, nsid, id);
        if (ret)