DAX: move RADIX_DAX_ definitions to dax.c

These don't belong in radix-tree.c any more than PAGECACHE_TAG_* do.
Let's try to maintain the idea that radix-tree simply implements an
abstract data type.

Acked-by: Ross Zwisler <[email protected]>
Reviewed-by: Matthew Wilcox <[email protected]>
Signed-off-by: NeilBrown <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
Signed-off-by: Vishal Verma <[email protected]>
This commit is contained in:
NeilBrown 2016-05-11 11:58:47 +02:00 • committed by Vishal Verma
commit e4b2749158
2 changed files with 9 additions and 9 deletions

View file

@ -32,6 +32,15 @@
#include <linux/pfn_t.h>
#include <linux/sizes.h>
#define RADIX_DAX_MASK 0xf
#define RADIX_DAX_SHIFT 4
#define RADIX_DAX_PTE (0x4 | RADIX_TREE_EXCEPTIONAL_ENTRY)
#define RADIX_DAX_PMD (0x8 | RADIX_TREE_EXCEPTIONAL_ENTRY)
#define RADIX_DAX_TYPE(entry) ((unsigned long)entry & RADIX_DAX_MASK)
#define RADIX_DAX_SECTOR(entry) (((unsigned long)entry >> RADIX_DAX_SHIFT))
#define RADIX_DAX_ENTRY(sector, pmd) ((void *)((unsigned long)sector << \
RADIX_DAX_SHIFT | (pmd ? RADIX_DAX_PMD : RADIX_DAX_PTE)))
static long dax_map_atomic(struct block_device *bdev, struct blk_dax_ctl *dax)
{
struct request_queue *q = bdev->bd_queue;