106 static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg,
321 					  struct ocfs2_group_desc *bg,  in ocfs2_bg_discontig_add_extent()  argument
325 	struct ocfs2_extent_list *el = &bg->bg_list;  in ocfs2_bg_discontig_add_extent()
333 	rec->e_cpos = cpu_to_le32(le16_to_cpu(bg->bg_bits) /  in ocfs2_bg_discontig_add_extent()
336 	le16_add_cpu(&bg->bg_bits, clusters * le16_to_cpu(cl->cl_bpc));  in ocfs2_bg_discontig_add_extent()
337 	le16_add_cpu(&bg->bg_free_bits_count,  in ocfs2_bg_discontig_add_extent()
352 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_block_group_fill()  local
372 	memset(bg, 0, sb->s_blocksize);  in ocfs2_block_group_fill()
373 	strcpy(bg->bg_signature, OCFS2_GROUP_DESC_SIGNATURE);  in ocfs2_block_group_fill()
374 	bg->bg_generation = cpu_to_le32(osb->fs_generation);  in ocfs2_block_group_fill()
375 	bg->bg_size = cpu_to_le16(ocfs2_group_bitmap_size(sb, 1,  in ocfs2_block_group_fill()
377 	bg->bg_chain = cpu_to_le16(my_chain);  in ocfs2_block_group_fill()
378 	bg->bg_next_group = cl->cl_recs[my_chain].c_blkno;  in ocfs2_block_group_fill()
379 	bg->bg_parent_dinode = cpu_to_le64(OCFS2_I(alloc_inode)->ip_blkno);  in ocfs2_block_group_fill()
380 	bg->bg_blkno = cpu_to_le64(group_blkno);  in ocfs2_block_group_fill()
382 		bg->bg_bits = cpu_to_le16(ocfs2_bits_per_group(cl));  in ocfs2_block_group_fill()
384 		ocfs2_bg_discontig_add_extent(osb, bg, cl, group_blkno,  in ocfs2_block_group_fill()
388 	ocfs2_set_bit(0, (unsigned long *)bg->bg_bitmap);  in ocfs2_block_group_fill()
389 	bg->bg_free_bits_count = cpu_to_le16(le16_to_cpu(bg->bg_bits) - 1);  in ocfs2_block_group_fill()
492 	struct ocfs2_group_desc *bg =  in ocfs2_block_group_grow_discontig()  local
495 			 le16_to_cpu(bg->bg_bits) / le16_to_cpu(cl->cl_bpc);  in ocfs2_block_group_grow_discontig()
498 	struct ocfs2_extent_list *el = &bg->bg_list;  in ocfs2_block_group_grow_discontig()
522 		ocfs2_bg_discontig_add_extent(osb, bg, cl, p_blkno,  in ocfs2_block_group_grow_discontig()
527 			 le16_to_cpu(bg->bg_bits) / le16_to_cpu(cl->cl_bpc);  in ocfs2_block_group_grow_discontig()
551 	struct ocfs2_group_desc *bg;  in ocfs2_bg_alloc_cleanup()  local
558 	bg = (struct ocfs2_group_desc *)bg_bh->b_data;  in ocfs2_bg_alloc_cleanup()
559 	el = &bg->bg_list;  in ocfs2_bg_alloc_cleanup()
667 	struct ocfs2_group_desc *bg;  in ocfs2_block_group_alloc()  local
710 	bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_block_group_alloc()
719 	alloc_rec = le16_to_cpu(bg->bg_chain);  in ocfs2_block_group_alloc()
721 		     le16_to_cpu(bg->bg_free_bits_count));  in ocfs2_block_group_alloc()
723 		     le16_to_cpu(bg->bg_bits));  in ocfs2_block_group_alloc()
724 	cl->cl_recs[alloc_rec].c_blkno = bg->bg_blkno;  in ocfs2_block_group_alloc()
728 	le32_add_cpu(&fe->id1.bitmap1.i_used, le16_to_cpu(bg->bg_bits) -  in ocfs2_block_group_alloc()
729 					le16_to_cpu(bg->bg_free_bits_count));  in ocfs2_block_group_alloc()
730 	le32_add_cpu(&fe->id1.bitmap1.i_total, le16_to_cpu(bg->bg_bits));  in ocfs2_block_group_alloc()
1254 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_test_bg_bit_allocatable()  local
1258 	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()
1285 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_block_group_find_clear_bits()  local
1289 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_block_group_find_clear_bits()
1292 	bitmap = bg->bg_bitmap;  in ocfs2_block_group_find_clear_bits()
1338 					     struct ocfs2_group_desc *bg,  in ocfs2_block_group_set_bits()  argument
1344 	void *bitmap = bg->bg_bitmap;  in ocfs2_block_group_set_bits()
1349 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_block_group_set_bits()
1350 	BUG_ON(le16_to_cpu(bg->bg_free_bits_count) < num_bits);  in ocfs2_block_group_set_bits()
1366 	le16_add_cpu(&bg->bg_free_bits_count, -num_bits);  in ocfs2_block_group_set_bits()
1367 	if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {  in ocfs2_block_group_set_bits()
1369 				   (unsigned long long)le64_to_cpu(bg->bg_blkno),  in ocfs2_block_group_set_bits()
1370 				   le16_to_cpu(bg->bg_bits),  in ocfs2_block_group_set_bits()
1371 				   le16_to_cpu(bg->bg_free_bits_count),  in ocfs2_block_group_set_bits()
1414 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_relink_block_group()  local
1419 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_relink_block_group()
1424 		(unsigned long long)le64_to_cpu(bg->bg_blkno),  in ocfs2_relink_block_group()
1427 	bg_ptr = le64_to_cpu(bg->bg_next_group);  in ocfs2_relink_block_group()
1436 	prev_bg->bg_next_group = bg->bg_next_group;  in ocfs2_relink_block_group()
1444 	bg->bg_next_group = fe->id2.i_chain.cl_recs[chain].c_blkno;  in ocfs2_relink_block_group()
1452 	fe->id2.i_chain.cl_recs[chain].c_blkno = bg->bg_blkno;  in ocfs2_relink_block_group()
1461 	bg->bg_next_group = cpu_to_le64(bg_ptr);  in ocfs2_relink_block_group()
1467 static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg,  in ocfs2_block_group_reasonably_empty()  argument
1470 	return le16_to_cpu(bg->bg_free_bits_count) > wanted;  in ocfs2_block_group_reasonably_empty()
1554 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) group_bh->b_data;  in ocfs2_block_group_search()  local
1559 	if (bg->bg_free_bits_count) {  in ocfs2_block_group_search()
1562 							le16_to_cpu(bg->bg_bits),  in ocfs2_block_group_search()
1565 			blkoff = le64_to_cpu(bg->bg_blkno) +  in ocfs2_block_group_search()
1640 					  struct ocfs2_group_desc *bg,  in ocfs2_bg_discontig_fix_result()  argument
1657 	    !bg->bg_list.l_next_free_rec)  in ocfs2_bg_discontig_fix_result()
1660 	for (i = 0; i < le16_to_cpu(bg->bg_list.l_next_free_rec); i++) {  in ocfs2_bg_discontig_fix_result()
1661 		rec = &bg->bg_list.l_recs[i];  in ocfs2_bg_discontig_fix_result()
1751 	struct ocfs2_group_desc *bg;  in ocfs2_search_chain()  local
1765 	bg = (struct ocfs2_group_desc *) group_bh->b_data;  in ocfs2_search_chain()
1774 		if (!bg->bg_next_group)  in ocfs2_search_chain()
1780 		next_group = le64_to_cpu(bg->bg_next_group);  in ocfs2_search_chain()
1789 		bg = (struct ocfs2_group_desc *) group_bh->b_data;  in ocfs2_search_chain()
1798 		(unsigned long long)le64_to_cpu(bg->bg_blkno), res->sr_bits);  in ocfs2_search_chain()
1800 	res->sr_bg_blkno = le64_to_cpu(bg->bg_blkno);  in ocfs2_search_chain()
1804 		ocfs2_bg_discontig_fix_result(ac, bg, res);  in ocfs2_search_chain()
1827 	    (ocfs2_block_group_reasonably_empty(bg, res->sr_bits))) {  in ocfs2_search_chain()
1850 					    bg,  in ocfs2_search_chain()
1866 	*bits_left = le16_to_cpu(bg->bg_free_bits_count);  in ocfs2_search_chain()
2133 	struct ocfs2_group_desc *bg;  in ocfs2_claim_new_inode_at_loc()  local
2151 	bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_claim_new_inode_at_loc()
2152 	chain = le16_to_cpu(bg->bg_chain);  in ocfs2_claim_new_inode_at_loc()
2164 					 bg,  in ocfs2_claim_new_inode_at_loc()
2382 					struct ocfs2_group_desc *bg,  in ocfs2_block_group_clear_bits()  argument
2396 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_block_group_clear_bits()
2421 				(unsigned long *) bg->bg_bitmap);  in ocfs2_block_group_clear_bits()
2426 	le16_add_cpu(&bg->bg_free_bits_count, num_bits);  in ocfs2_block_group_clear_bits()
2427 	if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {  in ocfs2_block_group_clear_bits()
2431 				   (unsigned long long)le64_to_cpu(bg->bg_blkno),  in ocfs2_block_group_clear_bits()
2432 				   le16_to_cpu(bg->bg_bits),  in ocfs2_block_group_clear_bits()
2433 				   le16_to_cpu(bg->bg_free_bits_count),  in ocfs2_block_group_clear_bits()