173 	ASSERT(bp->b_maps == NULL);  in xfs_buf_get_maps()
177 		bp->b_maps = &bp->__b_map;  in xfs_buf_get_maps()
181 	bp->b_maps = kmem_zalloc(map_count * sizeof(struct xfs_buf_map),  in xfs_buf_get_maps()
183 	if (!bp->b_maps)  in xfs_buf_get_maps()
195 	if (bp->b_maps != &bp->__b_map) {  in xfs_buf_free_maps()
196 		kmem_free(bp->b_maps);  in xfs_buf_free_maps()
197 		bp->b_maps = NULL;  in xfs_buf_free_maps()
248 		bp->b_maps[i].bm_bn = map[i].bm_bn;  in _xfs_buf_alloc()
249 		bp->b_maps[i].bm_len = map[i].bm_len;  in _xfs_buf_alloc()
389 	start = BBTOB(bp->b_maps[0].bm_bn) >> PAGE_SHIFT;  in xfs_buf_allocate_memory()
390 	end = (BBTOB(bp->b_maps[0].bm_bn + bp->b_length) + PAGE_SIZE - 1)  in xfs_buf_allocate_memory()
766 	ASSERT(bp->b_maps[0].bm_bn != XFS_BUF_DADDR_NULL);  in _xfs_buf_read()
893 	bp->b_maps[0].bm_bn = daddr;  in xfs_buf_read_uncached()
1271 	sector_t	sector =  bp->b_maps[map].bm_bn;  in xfs_buf_ioapply_map()
1287 	size = min_t(int, BBTOB(bp->b_maps[map].bm_len), *count);  in xfs_buf_ioapply_map()
1873 	diff = ap->b_maps[0].bm_bn - bp->b_maps[0].bm_bn;  in xfs_buf_cmp()