summary refs log tree commit diff
path: root/drivers/md/bitmap.h
diff options
context:
space:
mode:
authorNeilBrown <neilb@suse.de>2012-03-19 12:46:40 +1100
committerNeilBrown <neilb@suse.de>2012-03-19 12:46:40 +1100
commit4ba97dff719b4cbeb7a4f6beddd2feb7404102d8 (patch)
tree3d8e2afc4d20405a88fb70e7cd494452944b3a41 /drivers/md/bitmap.h
parent006a09a0ae0a494473a8cd82c8d1d653e37e6663 (diff)
downloadlinux-4ba97dff719b4cbeb7a4f6beddd2feb7404102d8.tar.gz
md/bitmap: remove some unused noise from bitmap.h
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/bitmap.h')
-rw-r--r--drivers/md/bitmap.h18
1 files changed, 0 insertions, 18 deletions
diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index a15436dd9b3e..557e3e8ea73b 100644
--- a/drivers/md/bitmap.h
+++ b/drivers/md/bitmap.h
@@ -13,8 +13,6 @@
 #define BITMAP_MAJOR_HI 4
 #define	BITMAP_MAJOR_HOSTENDIAN 3
 
-#define BITMAP_MINOR 39
-
 /*
  * in-memory bitmap:
  *
@@ -101,21 +99,11 @@ typedef __u16 bitmap_counter_t;
 /* same, except a mask value for more efficient bitops */
 #define PAGE_COUNTER_MASK  (PAGE_COUNTER_RATIO - 1)
 
-#define BITMAP_BLOCK_SIZE 512
 #define BITMAP_BLOCK_SHIFT 9
 
 /* how many blocks per chunk? (this is variable) */
 #define CHUNK_BLOCK_RATIO(bitmap) ((bitmap)->mddev->bitmap_info.chunksize >> BITMAP_BLOCK_SHIFT)
 #define CHUNK_BLOCK_SHIFT(bitmap) ((bitmap)->chunkshift - BITMAP_BLOCK_SHIFT)
-#define CHUNK_BLOCK_MASK(bitmap) (CHUNK_BLOCK_RATIO(bitmap) - 1)
-
-/* when hijacked, the counters and bits represent even larger "chunks" */
-/* there will be 1024 chunks represented by each counter in the page pointers */
-#define PAGEPTR_BLOCK_RATIO(bitmap) \
-			(CHUNK_BLOCK_RATIO(bitmap) << PAGE_COUNTER_SHIFT >> 1)
-#define PAGEPTR_BLOCK_SHIFT(bitmap) \
-			(CHUNK_BLOCK_SHIFT(bitmap) + PAGE_COUNTER_SHIFT - 1)
-#define PAGEPTR_BLOCK_MASK(bitmap) (PAGEPTR_BLOCK_RATIO(bitmap) - 1)
 
 #endif
 
@@ -181,12 +169,6 @@ struct bitmap_page {
 	unsigned int  count:31;
 };
 
-/* keep track of bitmap file pages that have pending writes on them */
-struct page_list {
-	struct list_head list;
-	struct page *page;
-};
-
 /* the main bitmap structure - one per mddev */
 struct bitmap {
 	struct bitmap_page *bp;