188 	ASSERT(bp->b_maps == NULL);  in xfs_buf_get_maps()
192 		bp->b_maps = &bp->__b_map;  in xfs_buf_get_maps()
196 	bp->b_maps = kmem_zalloc(map_count * sizeof(struct xfs_buf_map),  in xfs_buf_get_maps()
198 	if (!bp->b_maps)  in xfs_buf_get_maps()
210 	if (bp->b_maps != &bp->__b_map) {  in xfs_buf_free_maps()
211 		kmem_free(bp->b_maps);  in xfs_buf_free_maps()
212 		bp->b_maps = NULL;  in xfs_buf_free_maps()
262 		bp->b_maps[i].bm_bn = map[i].bm_bn;  in _xfs_buf_alloc()
263 		bp->b_maps[i].bm_len = map[i].bm_len;  in _xfs_buf_alloc()
393 	start = BBTOB(bp->b_maps[0].bm_bn) >> PAGE_SHIFT;  in xfs_buf_allocate_memory()
394 	end = (BBTOB(bp->b_maps[0].bm_bn + bp->b_length) + PAGE_SIZE - 1)  in xfs_buf_allocate_memory()
770 	ASSERT(bp->b_maps[0].bm_bn != XFS_BUF_DADDR_NULL);  in _xfs_buf_read()
856 	bp->b_maps[0].bm_bn = daddr;  in xfs_buf_read_uncached()
891 	bp->b_maps[0].bm_bn = XFS_BUF_DADDR_NULL;  in xfs_buf_set_empty()
892 	bp->b_maps[0].bm_len = bp->b_length;  in xfs_buf_set_empty()
1315 	sector_t	sector =  bp->b_maps[map].bm_bn;  in xfs_buf_ioapply_map()
1331 	size = min_t(int, BBTOB(bp->b_maps[map].bm_len), *count);  in xfs_buf_ioapply_map()
1945 	diff = ap->b_maps[0].bm_bn - bp->b_maps[0].bm_bn;  in xfs_buf_cmp()