dax: drop size parameter to ->direct_access()
None of the implementations currently use it. The common
bdev_direct_access() entry point handles all the size checks before
calling ->direct_access().
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index c96402f..03c45c4 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -371,7 +371,7 @@
#ifdef CONFIG_BLK_DEV_RAM_DAX
static long brd_direct_access(struct block_device *bdev, sector_t sector,
- void __pmem **kaddr, unsigned long *pfn, long size)
+ void __pmem **kaddr, unsigned long *pfn)
{
struct brd_device *brd = bdev->bd_disk->private_data;
struct page *page;
@@ -384,10 +384,6 @@
*kaddr = (void __pmem *)page_address(page);
*pfn = page_to_pfn(page);
- /*
- * TODO: If size > PAGE_SIZE, we could look to see if the next page in
- * the file happens to be mapped to the next page of physical RAM.
- */
return PAGE_SIZE;
}
#else