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authorDan Williams <dan.j.williams@intel.com>2015-08-07 17:41:00 -0400
committerDan Williams <dan.j.williams@intel.com>2015-08-27 19:40:58 -0400
commitcb389b9c0e00c30c9daf20287f7d91e2466edbb1 (patch)
treea4a1509038a419fbb90918dfee9ea099160680de /drivers/block/brd.c
parent4a9bf88a5caa8495b5eb2b738d5fb40924bbc538 (diff)
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>
Diffstat (limited to 'drivers/block/brd.c')
-rw-r--r--drivers/block/brd.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index c96402fd1560..03c45c41bdfa 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -371,7 +371,7 @@ static int brd_rw_page(struct block_device *bdev, sector_t sector,
#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 @@ static long brd_direct_access(struct block_device *bdev, sector_t sector,
*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

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