239 			  struct metapath *mp, unsigned int height)  in find_metapath()  argument
244 		mp->mp_list[i] = do_div(block, sdp->sd_inptrs);  in find_metapath()
248 static inline unsigned int metapath_branch_start(const struct metapath *mp)  in metapath_branch_start()  argument
250 	if (mp->mp_list[0] == 0)  in metapath_branch_start()
265 static inline __be64 *metapointer(unsigned int height, const struct metapath *mp)  in metapointer()  argument
267 	struct buffer_head *bh = mp->mp_bh[height];  in metapointer()
270 	return ((__be64 *)(bh->b_data + head_size)) + mp->mp_list[height];  in metapointer()
314 static int lookup_metapath(struct gfs2_inode *ip, struct metapath *mp)  in lookup_metapath()  argument
323 		ptr = metapointer(x, mp);  in lookup_metapath()
328 		ret = gfs2_meta_indirect_buffer(ip, x+1, dblock, &mp->mp_bh[x+1]);  in lookup_metapath()
336 static inline void release_metapath(struct metapath *mp)  in release_metapath()  argument
341 		if (mp->mp_bh[i] == NULL)  in release_metapath()
343 		brelse(mp->mp_bh[i]);  in release_metapath()
399 static inline __be64 *gfs2_indirect_init(struct metapath *mp,  in gfs2_indirect_init()  argument
403 	__be64 *ptr = (__be64 *)(mp->mp_bh[i - 1]->b_data +  in gfs2_indirect_init()
407 	BUG_ON(mp->mp_bh[i] != NULL);  in gfs2_indirect_init()
408 	mp->mp_bh[i] = gfs2_meta_new(gl, bn);  in gfs2_indirect_init()
409 	gfs2_trans_add_meta(gl, mp->mp_bh[i]);  in gfs2_indirect_init()
410 	gfs2_metatype_set(mp->mp_bh[i], GFS2_METATYPE_IN, GFS2_FORMAT_IN);  in gfs2_indirect_init()
411 	gfs2_buffer_clear_tail(mp->mp_bh[i], sizeof(struct gfs2_meta_header));  in gfs2_indirect_init()
449 			   struct buffer_head *bh_map, struct metapath *mp,  in gfs2_bmap_alloc()  argument
457 	struct buffer_head *dibh = mp->mp_bh[0];  in gfs2_bmap_alloc()
477 		ptr = metapointer(end_of_metadata, mp);  in gfs2_bmap_alloc()
478 		bh = mp->mp_bh[end_of_metadata];  in gfs2_bmap_alloc()
487 					     mp->mp_list[end_of_metadata]));  in gfs2_bmap_alloc()
496 			branch_start = metapath_branch_start(mp);  in gfs2_bmap_alloc()
523 				gfs2_indirect_init(mp, ip->i_gl, i, 0, bn++);  in gfs2_bmap_alloc()
526 				gfs2_buffer_copy_tail(mp->mp_bh[i],  in gfs2_bmap_alloc()
532 				ptr = (__be64 *)(mp->mp_bh[i]->b_data +  in gfs2_bmap_alloc()
537 					if (mp->mp_bh[i] == NULL)  in gfs2_bmap_alloc()
539 					brelse(mp->mp_bh[i]);  in gfs2_bmap_alloc()
540 					mp->mp_bh[i] = NULL;  in gfs2_bmap_alloc()
549 				gfs2_trans_add_meta(ip->i_gl, mp->mp_bh[i-1]);  in gfs2_bmap_alloc()
551 				gfs2_indirect_init(mp, ip->i_gl, i,  in gfs2_bmap_alloc()
552 						   mp->mp_list[i-1], bn++);  in gfs2_bmap_alloc()
560 			BUG_ON(mp->mp_bh[end_of_metadata] == NULL);  in gfs2_bmap_alloc()
561 			gfs2_trans_add_meta(ip->i_gl, mp->mp_bh[end_of_metadata]);  in gfs2_bmap_alloc()
563 			ptr = metapointer(end_of_metadata, mp);  in gfs2_bmap_alloc()
582 	gfs2_dinode_out(ip, mp->mp_bh[0]->b_data);  in gfs2_bmap_alloc()
613 	struct metapath mp;  in gfs2_block_map()  local
622 	memset(mp.mp_bh, 0, sizeof(mp.mp_bh));  in gfs2_block_map()
633 	ret = gfs2_meta_inode_buffer(ip, &mp.mp_bh[0]);  in gfs2_block_map()
641 	find_metapath(sdp, lblock, &mp, height);  in gfs2_block_map()
645 	ret = lookup_metapath(ip, &mp);  in gfs2_block_map()
650 	ptr = metapointer(ip->i_height - 1, &mp);  in gfs2_block_map()
654 	bh = mp.mp_bh[ip->i_height - 1];  in gfs2_block_map()
661 	release_metapath(&mp);  in gfs2_block_map()
675 	ret = gfs2_bmap_alloc(inode, lblock, bh_map, &mp, ret, height, maxlen);  in gfs2_block_map()
871 			  struct metapath *mp, unsigned int height,  in recursive_scan()  argument
887 		top = (__be64 *)(bh->b_data + sizeof(struct gfs2_dinode)) + mp->mp_list[0];  in recursive_scan()
895 				  (first ? mp->mp_list[height] : 0);  in recursive_scan()
914 			error = recursive_scan(ip, dibh, mp, height + 1, bn,  in recursive_scan()
1090 	struct metapath mp;  in trunc_dealloc()  local
1098 	find_metapath(sdp, lblock, &mp, ip->i_height);  in trunc_dealloc()
1112 		error = recursive_scan(ip, NULL, &mp, 0, 0, 1, &sm);  in trunc_dealloc()