drivers/md/md-bitmap.c

951 	unsigned long chunk = block >> bitmap->counts.chunkshift;
982 	unsigned long chunk = block >> bitmap->counts.chunkshift;
1012 	unsigned long chunk = block >> bitmap->counts.chunkshift;
1111 	unsigned long chunks = bitmap->counts.chunks;
1125 			int needed = ((sector_t)(i+1) << (bitmap->counts.chunkshift)
1128 						  (sector_t)i << bitmap->counts.chunkshift,
1208 			int needed = ((sector_t)(i+1) << bitmap->counts.chunkshift
1211 						  (sector_t)i << bitmap->counts.chunkshift,
1299 	struct bitmap_counts *counts;
1351 	counts = &bitmap->counts;
1352 	spin_lock_irq(&counts->lock);
1354 	for (j = 0; j < counts->chunks; j++) {
1356 		sector_t  block = (sector_t)j << counts->chunkshift;
1360 			if (!counts->bp[j >> PAGE_COUNTER_SHIFT].pending) {
1364 			counts->bp[j >> PAGE_COUNTER_SHIFT].pending = 0;
1367 		bmc = md_bitmap_get_counter(counts, block, &blocks, 0);
1375 			md_bitmap_count_page(counts, block, -1);
1379 			md_bitmap_set_pending(counts, block);
1383 	spin_unlock_irq(&counts->lock);
1484 		spin_lock_irq(&bitmap->counts.lock);
1485 		bmc = md_bitmap_get_counter(&bitmap->counts, offset, &blocks, 1);
1487 			spin_unlock_irq(&bitmap->counts.lock);
1499 			spin_unlock_irq(&bitmap->counts.lock);
1508 			md_bitmap_count_page(&bitmap->counts, offset, 1);
1516 		spin_unlock_irq(&bitmap->counts.lock);
1546 		spin_lock_irqsave(&bitmap->counts.lock, flags);
1547 		bmc = md_bitmap_get_counter(&bitmap->counts, offset, &blocks, 0);
1549 			spin_unlock_irqrestore(&bitmap->counts.lock, flags);
1568 			md_bitmap_set_pending(&bitmap->counts, offset);
1571 		spin_unlock_irqrestore(&bitmap->counts.lock, flags);
1590 	spin_lock_irq(&bitmap->counts.lock);
1591 	bmc = md_bitmap_get_counter(&bitmap->counts, offset, blocks, 0);
1605 	spin_unlock_irq(&bitmap->counts.lock);
1642 	spin_lock_irqsave(&bitmap->counts.lock, flags);
1643 	bmc = md_bitmap_get_counter(&bitmap->counts, offset, blocks, 0);
1654 				md_bitmap_set_pending(&bitmap->counts, offset);
1660 	spin_unlock_irqrestore(&bitmap->counts.lock, flags);
1700 	sector &= ~((1ULL << bitmap->counts.chunkshift) - 1);
1741 	spin_lock_irq(&bitmap->counts.lock);
1742 	bmc = md_bitmap_get_counter(&bitmap->counts, offset, &secs, 1);
1744 		spin_unlock_irq(&bitmap->counts.lock);
1749 		md_bitmap_count_page(&bitmap->counts, offset, 1);
1750 		md_bitmap_set_pending(&bitmap->counts, offset);
1755 	spin_unlock_irq(&bitmap->counts.lock);
1764 		sector_t sec = (sector_t)chunk << bitmap->counts.chunkshift;
1827 	bp = bitmap->counts.bp;
1828 	pages = bitmap->counts.pages;
1903 	spin_lock_init(&bitmap->counts.lock);
1956 		 bitmap->counts.pages, bmname(bitmap));
2056 	struct bitmap_counts *counts;
2065 	counts = &bitmap->counts;
2066 	for (j = 0; j < counts->chunks; j++) {
2067 		block = (sector_t)j << counts->chunkshift;
2100 	struct bitmap_counts *counts;
2105 	counts = &bitmap->counts;
2110 		   counts->pages - counts->missing_pages,
2111 		   counts->pages,
2112 		   (counts->pages - counts->missing_pages)
2163 			bytes = DIV_ROUND_UP(bitmap->counts.chunks, 8);
2169 		chunkshift = bitmap->counts.chunkshift;
2214 	spin_lock_irq(&bitmap->counts.lock);
2218 	old_counts = bitmap->counts;
2219 	bitmap->counts.bp = new_bp;
2220 	bitmap->counts.pages = pages;
2221 	bitmap->counts.missing_pages = pages;
2222 	bitmap->counts.chunkshift = chunkshift;
2223 	bitmap->counts.chunks = chunks;
2234 			ret = md_bitmap_checkpage(&bitmap->counts, page, 1, 1);
2245 				bitmap->counts.bp = old_counts.bp;
2246 				bitmap->counts.pages = old_counts.pages;
2247 				bitmap->counts.missing_pages = old_counts.pages;
2248 				bitmap->counts.chunkshift = old_counts.chunkshift;
2249 				bitmap->counts.chunks = old_counts.chunks;
2256 				bitmap->counts.bp[page].count += 1;
2268 			bmc_new = md_bitmap_get_counter(&bitmap->counts, block, &new_blocks, 1);
2281 					md_bitmap_count_page(&bitmap->counts, block, 1);
2282 					md_bitmap_set_pending(&bitmap->counts, block);
2292 	if (bitmap->counts.bp != old_counts.bp) {
2304 			bmc = md_bitmap_get_counter(&bitmap->counts, block, &new_blocks, 1);
2311 					md_bitmap_count_page(&bitmap->counts, block, 1);
2312 					md_bitmap_set_pending(&bitmap->counts, block);
2320 	spin_unlock_irq(&bitmap->counts.lock);