block: remove block_device_operations ->direct_access()

Now that all the producers and consumers of dax interfaces have been
converted to using dax_operations on a dax_device, remove the block
device direct_access enabling.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 0 insertions, 15 deletions

diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 60f3193c9ce2..bfa4ed2c75ef 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -395,18 +395,6 @@ static long __brd_direct_access(struct brd_device *brd, pgoff_t pgoff,
         return 1;
 }
 
-static long brd_blk_direct_access(struct block_device *bdev, sector_t sector,
-                        void **kaddr, pfn_t *pfn, long size)
-{
-        struct brd_device *brd = bdev->bd_disk->private_data;
-        long nr_pages = __brd_direct_access(brd, PHYS_PFN(sector * 512),
-                        PHYS_PFN(size), kaddr, pfn);
-
-        if (nr_pages < 0)
-                return nr_pages;
-        return nr_pages * PAGE_SIZE;
-}
-
 static long brd_dax_direct_access(struct dax_device *dax_dev,
                 pgoff_t pgoff, long nr_pages, void **kaddr, pfn_t *pfn)
 {
@@ -418,14 +406,11 @@ static long brd_dax_direct_access(struct dax_device *dax_dev,
 static const struct dax_operations brd_dax_ops = {
         .direct_access = brd_dax_direct_access,
 };
-#else
-#define brd_blk_direct_access NULL
 #endif
 
 static const struct block_device_operations brd_fops = {
         .owner =                THIS_MODULE,
         .rw_page =              brd_rw_page,
-        .direct_access =        brd_blk_direct_access,
 };
 
 /*