104 static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg,
319 					  struct ocfs2_group_desc *bg,  in ocfs2_bg_discontig_add_extent()  argument
323 	struct ocfs2_extent_list *el = &bg->bg_list;  in ocfs2_bg_discontig_add_extent()
331 	rec->e_cpos = cpu_to_le32(le16_to_cpu(bg->bg_bits) /  in ocfs2_bg_discontig_add_extent()
334 	le16_add_cpu(&bg->bg_bits, clusters * le16_to_cpu(cl->cl_bpc));  in ocfs2_bg_discontig_add_extent()
335 	le16_add_cpu(&bg->bg_free_bits_count,  in ocfs2_bg_discontig_add_extent()
350 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_block_group_fill()  local
370 	memset(bg, 0, sb->s_blocksize);  in ocfs2_block_group_fill()
371 	strcpy(bg->bg_signature, OCFS2_GROUP_DESC_SIGNATURE);  in ocfs2_block_group_fill()
372 	bg->bg_generation = cpu_to_le32(osb->fs_generation);  in ocfs2_block_group_fill()
373 	bg->bg_size = cpu_to_le16(ocfs2_group_bitmap_size(sb, 1,  in ocfs2_block_group_fill()
375 	bg->bg_chain = cpu_to_le16(my_chain);  in ocfs2_block_group_fill()
376 	bg->bg_next_group = cl->cl_recs[my_chain].c_blkno;  in ocfs2_block_group_fill()
377 	bg->bg_parent_dinode = cpu_to_le64(OCFS2_I(alloc_inode)->ip_blkno);  in ocfs2_block_group_fill()
378 	bg->bg_blkno = cpu_to_le64(group_blkno);  in ocfs2_block_group_fill()
380 		bg->bg_bits = cpu_to_le16(ocfs2_bits_per_group(cl));  in ocfs2_block_group_fill()
382 		ocfs2_bg_discontig_add_extent(osb, bg, cl, group_blkno,  in ocfs2_block_group_fill()
386 	ocfs2_set_bit(0, (unsigned long *)bg->bg_bitmap);  in ocfs2_block_group_fill()
387 	bg->bg_free_bits_count = cpu_to_le16(le16_to_cpu(bg->bg_bits) - 1);  in ocfs2_block_group_fill()
490 	struct ocfs2_group_desc *bg =  in ocfs2_block_group_grow_discontig()  local
493 			 le16_to_cpu(bg->bg_bits) / le16_to_cpu(cl->cl_bpc);  in ocfs2_block_group_grow_discontig()
496 	struct ocfs2_extent_list *el = &bg->bg_list;  in ocfs2_block_group_grow_discontig()
520 		ocfs2_bg_discontig_add_extent(osb, bg, cl, p_blkno,  in ocfs2_block_group_grow_discontig()
525 			 le16_to_cpu(bg->bg_bits) / le16_to_cpu(cl->cl_bpc);  in ocfs2_block_group_grow_discontig()
549 	struct ocfs2_group_desc *bg;  in ocfs2_bg_alloc_cleanup()  local
556 	bg = (struct ocfs2_group_desc *)bg_bh->b_data;  in ocfs2_bg_alloc_cleanup()
557 	el = &bg->bg_list;  in ocfs2_bg_alloc_cleanup()
665 	struct ocfs2_group_desc *bg;  in ocfs2_block_group_alloc()  local
708 	bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_block_group_alloc()
717 	alloc_rec = le16_to_cpu(bg->bg_chain);  in ocfs2_block_group_alloc()
719 		     le16_to_cpu(bg->bg_free_bits_count));  in ocfs2_block_group_alloc()
721 		     le16_to_cpu(bg->bg_bits));  in ocfs2_block_group_alloc()
722 	cl->cl_recs[alloc_rec].c_blkno = bg->bg_blkno;  in ocfs2_block_group_alloc()
726 	le32_add_cpu(&fe->id1.bitmap1.i_used, le16_to_cpu(bg->bg_bits) -  in ocfs2_block_group_alloc()
727 					le16_to_cpu(bg->bg_free_bits_count));  in ocfs2_block_group_alloc()
728 	le32_add_cpu(&fe->id1.bitmap1.i_total, le16_to_cpu(bg->bg_bits));  in ocfs2_block_group_alloc()
1252 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_test_bg_bit_allocatable()  local
1256 	if (ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap))  in ocfs2_test_bg_bit_allocatable()
1266 		bg = (struct ocfs2_group_desc *) jh->b_committed_data;  in ocfs2_test_bg_bit_allocatable()
1267 		if (bg)  in ocfs2_test_bg_bit_allocatable()
1268 			ret = !ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap);  in ocfs2_test_bg_bit_allocatable()
1287 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_block_group_find_clear_bits()  local
1291 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_block_group_find_clear_bits()
1294 	bitmap = bg->bg_bitmap;  in ocfs2_block_group_find_clear_bits()
1340 					     struct ocfs2_group_desc *bg,  in ocfs2_block_group_set_bits()  argument
1346 	void *bitmap = bg->bg_bitmap;  in ocfs2_block_group_set_bits()
1351 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_block_group_set_bits()
1352 	BUG_ON(le16_to_cpu(bg->bg_free_bits_count) < num_bits);  in ocfs2_block_group_set_bits()
1368 	le16_add_cpu(&bg->bg_free_bits_count, -num_bits);  in ocfs2_block_group_set_bits()
1369 	if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {  in ocfs2_block_group_set_bits()
1371 				   (unsigned long long)le64_to_cpu(bg->bg_blkno),  in ocfs2_block_group_set_bits()
1372 				   le16_to_cpu(bg->bg_bits),  in ocfs2_block_group_set_bits()
1373 				   le16_to_cpu(bg->bg_free_bits_count),  in ocfs2_block_group_set_bits()
1416 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_relink_block_group()  local
1421 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_relink_block_group()
1426 		(unsigned long long)le64_to_cpu(bg->bg_blkno),  in ocfs2_relink_block_group()
1429 	bg_ptr = le64_to_cpu(bg->bg_next_group);  in ocfs2_relink_block_group()
1438 	prev_bg->bg_next_group = bg->bg_next_group;  in ocfs2_relink_block_group()
1446 	bg->bg_next_group = fe->id2.i_chain.cl_recs[chain].c_blkno;  in ocfs2_relink_block_group()
1454 	fe->id2.i_chain.cl_recs[chain].c_blkno = bg->bg_blkno;  in ocfs2_relink_block_group()
1463 	bg->bg_next_group = cpu_to_le64(bg_ptr);  in ocfs2_relink_block_group()
1469 static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg,  in ocfs2_block_group_reasonably_empty()  argument
1472 	return le16_to_cpu(bg->bg_free_bits_count) > wanted;  in ocfs2_block_group_reasonably_empty()
1556 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) group_bh->b_data;  in ocfs2_block_group_search()  local
1561 	if (bg->bg_free_bits_count) {  in ocfs2_block_group_search()
1564 							le16_to_cpu(bg->bg_bits),  in ocfs2_block_group_search()
1567 			blkoff = le64_to_cpu(bg->bg_blkno) +  in ocfs2_block_group_search()
1642 					  struct ocfs2_group_desc *bg,  in ocfs2_bg_discontig_fix_result()  argument
1659 	    !bg->bg_list.l_next_free_rec)  in ocfs2_bg_discontig_fix_result()
1662 	for (i = 0; i < le16_to_cpu(bg->bg_list.l_next_free_rec); i++) {  in ocfs2_bg_discontig_fix_result()
1663 		rec = &bg->bg_list.l_recs[i];  in ocfs2_bg_discontig_fix_result()
1753 	struct ocfs2_group_desc *bg;  in ocfs2_search_chain()  local
1767 	bg = (struct ocfs2_group_desc *) group_bh->b_data;  in ocfs2_search_chain()
1776 		if (!bg->bg_next_group)  in ocfs2_search_chain()
1782 		next_group = le64_to_cpu(bg->bg_next_group);  in ocfs2_search_chain()
1791 		bg = (struct ocfs2_group_desc *) group_bh->b_data;  in ocfs2_search_chain()
1800 		(unsigned long long)le64_to_cpu(bg->bg_blkno), res->sr_bits);  in ocfs2_search_chain()
1802 	res->sr_bg_blkno = le64_to_cpu(bg->bg_blkno);  in ocfs2_search_chain()
1806 		ocfs2_bg_discontig_fix_result(ac, bg, res);  in ocfs2_search_chain()
1829 	    (ocfs2_block_group_reasonably_empty(bg, res->sr_bits))) {  in ocfs2_search_chain()
1852 					    bg,  in ocfs2_search_chain()
1868 	*bits_left = le16_to_cpu(bg->bg_free_bits_count);  in ocfs2_search_chain()
2135 	struct ocfs2_group_desc *bg;  in ocfs2_claim_new_inode_at_loc()  local
2153 	bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_claim_new_inode_at_loc()
2154 	chain = le16_to_cpu(bg->bg_chain);  in ocfs2_claim_new_inode_at_loc()
2166 					 bg,  in ocfs2_claim_new_inode_at_loc()
2384 					struct ocfs2_group_desc *bg,  in ocfs2_block_group_clear_bits()  argument
2398 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_block_group_clear_bits()
2423 				(unsigned long *) bg->bg_bitmap);  in ocfs2_block_group_clear_bits()
2428 	le16_add_cpu(&bg->bg_free_bits_count, num_bits);  in ocfs2_block_group_clear_bits()
2429 	if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {  in ocfs2_block_group_clear_bits()
2433 				   (unsigned long long)le64_to_cpu(bg->bg_blkno),  in ocfs2_block_group_clear_bits()
2434 				   le16_to_cpu(bg->bg_bits),  in ocfs2_block_group_clear_bits()
2435 				   le16_to_cpu(bg->bg_free_bits_count),  in ocfs2_block_group_clear_bits()