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;
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,
1251 	sector_t chunk = offset >> bitmap->chunkshift;
1259 	sector_t chunk = offset >> bitmap->chunkshift;
1356 		sector_t  block = (sector_t)j << counts->chunkshift;
1424 	sector_t chunk = offset >> bitmap->chunkshift;
1427 	sector_t csize = ((sector_t)1) << bitmap->chunkshift;
1443 		csize = ((sector_t)1) << (bitmap->chunkshift +
1700 	sector &= ~((1ULL << bitmap->counts.chunkshift) - 1);
1764 		sector_t sec = (sector_t)chunk << bitmap->counts.chunkshift;
2067 		block = (sector_t)j << counts->chunkshift;
2142 	int chunkshift;
2169 		chunkshift = bitmap->counts.chunkshift;
2170 		chunkshift--;
2172 			/* 'chunkshift' is shift from block size to chunk size */
2173 			chunkshift++;
2174 			chunks = DIV_ROUND_UP_SECTOR_T(blocks, 1 << chunkshift);
2178 		} while (bytes > (space << 9) && (chunkshift + BITMAP_BLOCK_SHIFT) <
2181 		chunkshift = ffz(~chunksize) - BITMAP_BLOCK_SHIFT;
2183 	chunks = DIV_ROUND_UP_SECTOR_T(blocks, 1 << chunkshift);
2222 	bitmap->counts.chunkshift = chunkshift;
2224 	bitmap->mddev->bitmap_info.chunksize = 1UL << (chunkshift +
2227 	blocks = min(old_counts.chunks << old_counts.chunkshift,
2228 		     chunks << chunkshift);
2248 				bitmap->counts.chunkshift = old_counts.chunkshift;
2251 					1UL << (old_counts.chunkshift + BITMAP_BLOCK_SHIFT);
2252 				blocks = old_counts.chunks << old_counts.chunkshift;
2273 					sector_t start = block >> chunkshift;
2275 					start <<= chunkshift;
2278 						start += 1 << chunkshift;
2302 		while (block < (chunks << chunkshift)) {