112  * that the height can be grown in the traditional way.
182  * @height: The pre-calculated height of the metadata tree
188  *   Given:  "ip" is a height 3 file, "offset" is 101342453, and this is a
238 			  struct metapath *mp, unsigned int height)  in find_metapath()  argument
242 	for (i = height; i--;)  in find_metapath()
256  * @height: The metadata height (0 = dinode)
259  * Return a pointer to the block number of the next height of the metadata
260  * tree given a buffer containing the pointer to the current height of the
264 static inline __be64 *metapointer(unsigned int height, const struct metapath *mp)  in metapointer()  argument
266 	struct buffer_head *bh = mp->mp_bh[height];  in metapointer()
267 	unsigned int head_size = (height > 0) ?  in metapointer()
269 	return ((__be64 *)(bh->b_data + head_size)) + mp->mp_list[height];  in metapointer()
306  * allocated, it returns the current height of the tree at the point
310  * Returns: error or height of metadata tree
424  * gfs2_bmap_alloc - Build a metadata tree of the requested height
429  * @sheight: The starting height (i.e. whats already mapped)
430  * @height: The height to build to
434  *   i) Indirect blocks to grow the metadata tree height
450 			   const unsigned int height,  in gfs2_bmap_alloc()  argument
461 	const unsigned end_of_metadata = height - 1;  in gfs2_bmap_alloc()
473 	if (height == sheight) {  in gfs2_bmap_alloc()
484 		ptrs_per_blk = height > 1 ? sdp->sd_inptrs : sdp->sd_diptrs;  in gfs2_bmap_alloc()
486 		if (height == ip->i_height) {  in gfs2_bmap_alloc()
488 			iblks = height - sheight;  in gfs2_bmap_alloc()
491 			/* Building up tree height */  in gfs2_bmap_alloc()
493 			iblks = height - ip->i_height;  in gfs2_bmap_alloc()
495 			iblks += (height - branch_start);  in gfs2_bmap_alloc()
513 		/* Growing height of tree */  in gfs2_bmap_alloc()
520 			for (; i - 1 < height - ip->i_height && n > 0; i++, n--)  in gfs2_bmap_alloc()
522 			if (i - 1 == height - ip->i_height) {  in gfs2_bmap_alloc()
534 				for(i = branch_start; i < height; i++) {  in gfs2_bmap_alloc()
546 			if (i > 1 && i < height)  in gfs2_bmap_alloc()
548 			for (; i < height && n > 0; i++, n--)  in gfs2_bmap_alloc()
551 			if (i == height)  in gfs2_bmap_alloc()
578 	ip->i_height = height;  in gfs2_bmap_alloc()
616 	u8 height;  in gfs2_block_map()  local
635 	height = ip->i_height;  in gfs2_block_map()
637 	while (size > arr[height])  in gfs2_block_map()
638 		height++;  in gfs2_block_map()
639 	find_metapath(sdp, lblock, &mp, height);  in gfs2_block_map()
641 	if (height > ip->i_height || gfs2_is_stuffed(ip))  in gfs2_block_map()
673 	ret = gfs2_bmap_alloc(inode, lblock, bh_map, &mp, ret, height, maxlen);  in gfs2_block_map()
708  * @height: the height this buffer is at
716 		    unsigned int height, struct strip_mine *sm)  in do_strip()  argument
732 	if (height != sm->sm_height)  in do_strip()
740 	metadata = (height != ip->i_height - 1);  in do_strip()
742 		revokes = (height) ? sdp->sd_inptrs : sdp->sd_diptrs;  in do_strip()
850  * @height: the height the recursion is at
855  * When this is first called @height and @block should be zero and
862 			  struct metapath *mp, unsigned int height,  in recursive_scan()  argument
872 	if (!height) {  in recursive_scan()
881 		error = gfs2_meta_indirect_buffer(ip, height, block, 0, &bh);  in recursive_scan()
886 				  (first ? mp->mp_list[height] : 0);  in recursive_scan()
891 	error = do_strip(ip, dibh, bh, top, bottom, height, sm);  in recursive_scan()
895 	if (height < ip->i_height - 1) {  in recursive_scan()
905 			error = recursive_scan(ip, dibh, mp, height + 1, bn,  in recursive_scan()
1033 	unsigned int height = ip->i_height;  in trunc_dealloc()  local
1051 	while (height--) {  in trunc_dealloc()
1054 		sm.sm_height = height;  in trunc_dealloc()