60 	struct buffer_head *bh;  in gfs2_unstuffer_page()  local
88 	bh = page_buffers(page);  in gfs2_unstuffer_page()
90 	if (!buffer_mapped(bh))  in gfs2_unstuffer_page()
91 		map_bh(bh, inode->i_sb, block);  in gfs2_unstuffer_page()
93 	set_buffer_uptodate(bh);  in gfs2_unstuffer_page()
95 		mark_buffer_dirty(bh);  in gfs2_unstuffer_page()
97 		gfs2_trans_add_data(ip->i_gl, bh);  in gfs2_unstuffer_page()
120 	struct buffer_head *bh, *dibh;  in gfs2_unstuff_dinode()  local
142 			error = gfs2_dir_get_new_buffer(ip, block, &bh);  in gfs2_unstuff_dinode()
145 			gfs2_buffer_copy_tail(bh, sizeof(struct gfs2_meta_header),  in gfs2_unstuff_dinode()
147 			brelse(bh);  in gfs2_unstuff_dinode()
267 	struct buffer_head *bh = mp->mp_bh[height];  in metapointer()  local
270 	return ((__be64 *)(bh->b_data + head_size)) + mp->mp_list[height];  in metapointer()
274 			     const struct buffer_head *bh, const __be64 *pos)  in gfs2_metapath_ra()  argument
277 	const __be64 *endp = (const __be64 *)(bh->b_data + bh->b_size);  in gfs2_metapath_ra()
475 		struct buffer_head *bh;  in gfs2_bmap_alloc()  local
478 		bh = mp->mp_bh[end_of_metadata];  in gfs2_bmap_alloc()
479 		dblks = gfs2_extent_length(bh->b_data, bh->b_size, ptr, maxlen,  in gfs2_bmap_alloc()
617 	struct buffer_head *bh;  in gfs2_block_map()  local
654 	bh = mp.mp_bh[ip->i_height - 1];  in gfs2_block_map()
655 	len = gfs2_extent_length(bh->b_data, bh->b_size, ptr, maxlen, &eob);  in gfs2_block_map()
684 	struct buffer_head bh = { .b_state = 0, .b_blocknr = 0 };  in gfs2_extent_map()  local
692 	bh.b_size = 1 << (inode->i_blkbits + (create ? 0 : 5));  in gfs2_extent_map()
693 	ret = gfs2_block_map(inode, lblock, &bh, create);  in gfs2_extent_map()
694 	*extlen = bh.b_size >> inode->i_blkbits;  in gfs2_extent_map()
695 	*dblock = bh.b_blocknr;  in gfs2_extent_map()
696 	if (buffer_new(&bh))  in gfs2_extent_map()
717 		    struct buffer_head *bh, __be64 *top, __be64 *bottom,  in do_strip()  argument
802 	gfs2_trans_add_meta(ip->i_gl, bh);  in do_strip()
875 	struct buffer_head *bh = NULL;  in recursive_scan()  local
882 		error = gfs2_meta_inode_buffer(ip, &bh);  in recursive_scan()
885 		dibh = bh;  in recursive_scan()
887 		top = (__be64 *)(bh->b_data + sizeof(struct gfs2_dinode)) + mp->mp_list[0];  in recursive_scan()
888 		bottom = (__be64 *)(bh->b_data + sizeof(struct gfs2_dinode)) + sdp->sd_diptrs;  in recursive_scan()
890 		error = gfs2_meta_indirect_buffer(ip, height, block, &bh);  in recursive_scan()
894 		top = (__be64 *)(bh->b_data + mh_size) +  in recursive_scan()
897 		bottom = (__be64 *)(bh->b_data + mh_size) + sdp->sd_inptrs;  in recursive_scan()
900 	error = do_strip(ip, dibh, bh, top, bottom, height, sm);  in recursive_scan()
906 		gfs2_metapath_ra(ip->i_gl, bh, top);  in recursive_scan()
921 	brelse(bh);  in recursive_scan()
938 	struct buffer_head *bh;  in gfs2_block_truncate_page()  local
954 	bh = page_buffers(page);  in gfs2_block_truncate_page()
957 		bh = bh->b_this_page;  in gfs2_block_truncate_page()
964 	if (!buffer_mapped(bh)) {  in gfs2_block_truncate_page()
965 		gfs2_block_map(inode, iblock, bh, 0);  in gfs2_block_truncate_page()
967 		if (!buffer_mapped(bh))  in gfs2_block_truncate_page()
973 		set_buffer_uptodate(bh);  in gfs2_block_truncate_page()
975 	if (!buffer_uptodate(bh)) {  in gfs2_block_truncate_page()
977 		ll_rw_block(READ, 1, &bh);  in gfs2_block_truncate_page()
978 		wait_on_buffer(bh);  in gfs2_block_truncate_page()
980 		if (!buffer_uptodate(bh))  in gfs2_block_truncate_page()
986 		gfs2_trans_add_data(ip->i_gl, bh);  in gfs2_block_truncate_page()
989 	mark_buffer_dirty(bh);  in gfs2_block_truncate_page()
1406 	struct buffer_head bh;  in gfs2_map_journal_extents()  local
1417 		bh.b_state = 0;  in gfs2_map_journal_extents()
1418 		bh.b_blocknr = 0;  in gfs2_map_journal_extents()
1419 		bh.b_size = size;  in gfs2_map_journal_extents()
1420 		rc = gfs2_block_map(jd->jd_inode, lblock, &bh, 0);  in gfs2_map_journal_extents()
1421 		if (rc || !buffer_mapped(&bh))  in gfs2_map_journal_extents()
1423 		rc = gfs2_add_jextent(jd, lblock, bh.b_blocknr, bh.b_size >> shift);  in gfs2_map_journal_extents()
1426 		size -= bh.b_size;  in gfs2_map_journal_extents()
1427 		lblock += (bh.b_size >> ip->i_inode.i_blkbits);  in gfs2_map_journal_extents()
1440 		rc, (unsigned long long)lblock, (unsigned long long)bh.b_blocknr,  in gfs2_map_journal_extents()
1441 		bh.b_state, (unsigned long long)bh.b_size);  in gfs2_map_journal_extents()
1459 	struct buffer_head bh;  in gfs2_write_alloc_required()  local
1484 		bh.b_state = 0;  in gfs2_write_alloc_required()
1485 		bh.b_size = size;  in gfs2_write_alloc_required()
1486 		gfs2_block_map(&ip->i_inode, lblock, &bh, 0);  in gfs2_write_alloc_required()
1487 		if (!buffer_mapped(&bh))  in gfs2_write_alloc_required()
1489 		size -= bh.b_size;  in gfs2_write_alloc_required()
1490 		lblock += (bh.b_size >> ip->i_inode.i_blkbits);  in gfs2_write_alloc_required()