XFS_BLF_CHUNK
#define __XFS_BLF_DATAMAP_SIZE ((XFS_MAX_BLOCKSIZE / XFS_BLF_CHUNK) / NBWORD)
#define XLOG_MAX_REGIONS_IN_ITEM (XFS_MAX_BLOCKSIZE / XFS_BLF_CHUNK / 2 + 1)
XFS_BLF_CHUNK);
*nbytes += nbits * XFS_BLF_CHUNK;
unsigned int chunks = DIV_ROUND_UP(blocksize, XFS_BLF_CHUNK);
offset += first_bit * XFS_BLF_CHUNK;
nbits * XFS_BLF_CHUNK);
XFS_BLF_CHUNK);
ASSERT(first < XFS_BLF_DATAMAP_SIZE * XFS_BLF_CHUNK * NBWORD);
ASSERT(last < XFS_BLF_DATAMAP_SIZE * XFS_BLF_CHUNK * NBWORD);
ASSERT(item->ri_buf[i].iov_len % XFS_BLF_CHUNK == 0);
ASSERT((item->ri_buf[item_index].iov_len % XFS_BLF_CHUNK) == 0);