nvdimm/pmem: stop using ->queuedata

In preparation for removing queuedata as an argument to
make_request_fn() drop the dependency ->queuedata.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20200508161517.252308-16-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 2df6994..f8dc594 100644 (file)
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -196,7 +196,7 @@ static blk_qc_t pmem_make_request(struct request_queue *q, struct bio *bio)
        unsigned long start;
        struct bio_vec bvec;
        struct bvec_iter iter;
-       struct pmem_device *pmem = q->queuedata;
+       struct pmem_device *pmem = bio->bi_disk->private_data;
        struct nd_region *nd_region = to_region(pmem);
 
        if (bio->bi_opf & REQ_PREFLUSH)
@@ -231,7 +231,7 @@ static blk_qc_t pmem_make_request(struct request_queue *q, struct bio *bio)
 static int pmem_rw_page(struct block_device *bdev, sector_t sector,
                       struct page *page, unsigned int op)
 {
-       struct pmem_device *pmem = bdev->bd_queue->queuedata;
+       struct pmem_device *pmem = bdev->bd_disk->private_data;
        blk_status_t rc;
 
        if (op_is_write(op))
@@ -464,7 +464,6 @@ static int pmem_attach_disk(struct device *dev,
        blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
        if (pmem->pfn_flags & PFN_MAP)
                blk_queue_flag_set(QUEUE_FLAG_DAX, q);
-       q->queuedata = pmem;
 
        disk = alloc_disk_node(0, nid);
        if (!disk)
@@ -474,6 +473,7 @@ static int pmem_attach_disk(struct device *dev,
        disk->fops              = &pmem_fops;
        disk->queue             = q;
        disk->flags             = GENHD_FL_EXT_DEVT;
+       disk->private_data      = pmem;
        disk->queue->backing_dev_info->capabilities |= BDI_CAP_SYNCHRONOUS_IO;
        nvdimm_namespace_disk_name(ndns, disk->disk_name);
        set_capacity(disk, (pmem->size - pmem->pfn_pad - pmem->data_offset)