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authorNeilBrown <neilb@suse.de>2012-03-18 21:46:40 -0400
committerNeilBrown <neilb@suse.de>2012-03-18 21:46:40 -0400
commit4ba97dff719b4cbeb7a4f6beddd2feb7404102d8 (patch)
tree3d8e2afc4d20405a88fb70e7cd494452944b3a41 /drivers/md
parent006a09a0ae0a494473a8cd82c8d1d653e37e6663 (diff)
md/bitmap: remove some unused noise from bitmap.h
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
-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 @@
13#define BITMAP_MAJOR_HI 4 13#define BITMAP_MAJOR_HI 4
14#define BITMAP_MAJOR_HOSTENDIAN 3 14#define BITMAP_MAJOR_HOSTENDIAN 3
15 15
16#define BITMAP_MINOR 39
17
18/* 16/*
19 * in-memory bitmap: 17 * in-memory bitmap:
20 * 18 *
@@ -101,21 +99,11 @@ typedef __u16 bitmap_counter_t;
101/* same, except a mask value for more efficient bitops */ 99/* same, except a mask value for more efficient bitops */
102#define PAGE_COUNTER_MASK (PAGE_COUNTER_RATIO - 1) 100#define PAGE_COUNTER_MASK (PAGE_COUNTER_RATIO - 1)
103 101
104#define BITMAP_BLOCK_SIZE 512
105#define BITMAP_BLOCK_SHIFT 9 102#define BITMAP_BLOCK_SHIFT 9
106 103
107/* how many blocks per chunk? (this is variable) */ 104/* how many blocks per chunk? (this is variable) */
108#define CHUNK_BLOCK_RATIO(bitmap) ((bitmap)->mddev->bitmap_info.chunksize >> BITMAP_BLOCK_SHIFT) 105#define CHUNK_BLOCK_RATIO(bitmap) ((bitmap)->mddev->bitmap_info.chunksize >> BITMAP_BLOCK_SHIFT)
109#define CHUNK_BLOCK_SHIFT(bitmap) ((bitmap)->chunkshift - BITMAP_BLOCK_SHIFT) 106#define CHUNK_BLOCK_SHIFT(bitmap) ((bitmap)->chunkshift - BITMAP_BLOCK_SHIFT)
110#define CHUNK_BLOCK_MASK(bitmap) (CHUNK_BLOCK_RATIO(bitmap) - 1)
111
112/* when hijacked, the counters and bits represent even larger "chunks" */
113/* there will be 1024 chunks represented by each counter in the page pointers */
114#define PAGEPTR_BLOCK_RATIO(bitmap) \
115 (CHUNK_BLOCK_RATIO(bitmap) << PAGE_COUNTER_SHIFT >> 1)
116#define PAGEPTR_BLOCK_SHIFT(bitmap) \
117 (CHUNK_BLOCK_SHIFT(bitmap) + PAGE_COUNTER_SHIFT - 1)
118#define PAGEPTR_BLOCK_MASK(bitmap) (PAGEPTR_BLOCK_RATIO(bitmap) - 1)
119 107
120#endif 108#endif
121 109
@@ -181,12 +169,6 @@ struct bitmap_page {
181 unsigned int count:31; 169 unsigned int count:31;
182}; 170};
183 171
184/* keep track of bitmap file pages that have pending writes on them */
185struct page_list {
186 struct list_head list;
187 struct page *page;
188};
189
190/* the main bitmap structure - one per mddev */ 172/* the main bitmap structure - one per mddev */
191struct bitmap { 173struct bitmap {
192 struct bitmap_page *bp; 174 struct bitmap_page *bp;