120 static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg,
335 					  struct ocfs2_group_desc *bg,  in ocfs2_bg_discontig_add_extent()  argument
339 	struct ocfs2_extent_list *el = &bg->bg_list;  in ocfs2_bg_discontig_add_extent()
347 	rec->e_cpos = cpu_to_le32(le16_to_cpu(bg->bg_bits) /  in ocfs2_bg_discontig_add_extent()
350 	le16_add_cpu(&bg->bg_bits, clusters * le16_to_cpu(cl->cl_bpc));  in ocfs2_bg_discontig_add_extent()
351 	le16_add_cpu(&bg->bg_free_bits_count,  in ocfs2_bg_discontig_add_extent()
366 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_block_group_fill()  local
386 	memset(bg, 0, sb->s_blocksize);  in ocfs2_block_group_fill()
387 	strcpy(bg->bg_signature, OCFS2_GROUP_DESC_SIGNATURE);  in ocfs2_block_group_fill()
388 	bg->bg_generation = cpu_to_le32(osb->fs_generation);  in ocfs2_block_group_fill()
389 	bg->bg_size = cpu_to_le16(ocfs2_group_bitmap_size(sb, 1,  in ocfs2_block_group_fill()
391 	bg->bg_chain = cpu_to_le16(my_chain);  in ocfs2_block_group_fill()
392 	bg->bg_next_group = cl->cl_recs[my_chain].c_blkno;  in ocfs2_block_group_fill()
393 	bg->bg_parent_dinode = cpu_to_le64(OCFS2_I(alloc_inode)->ip_blkno);  in ocfs2_block_group_fill()
394 	bg->bg_blkno = cpu_to_le64(group_blkno);  in ocfs2_block_group_fill()
396 		bg->bg_bits = cpu_to_le16(ocfs2_bits_per_group(cl));  in ocfs2_block_group_fill()
398 		ocfs2_bg_discontig_add_extent(osb, bg, cl, group_blkno,  in ocfs2_block_group_fill()
402 	ocfs2_set_bit(0, (unsigned long *)bg->bg_bitmap);  in ocfs2_block_group_fill()
403 	bg->bg_free_bits_count = cpu_to_le16(le16_to_cpu(bg->bg_bits) - 1);  in ocfs2_block_group_fill()
506 	struct ocfs2_group_desc *bg =  in ocfs2_block_group_grow_discontig()  local
509 			 le16_to_cpu(bg->bg_bits) / le16_to_cpu(cl->cl_bpc);  in ocfs2_block_group_grow_discontig()
512 	struct ocfs2_extent_list *el = &bg->bg_list;  in ocfs2_block_group_grow_discontig()
536 		ocfs2_bg_discontig_add_extent(osb, bg, cl, p_blkno,  in ocfs2_block_group_grow_discontig()
541 			 le16_to_cpu(bg->bg_bits) / le16_to_cpu(cl->cl_bpc);  in ocfs2_block_group_grow_discontig()
565 	struct ocfs2_group_desc *bg;  in ocfs2_bg_alloc_cleanup()  local
572 	bg = (struct ocfs2_group_desc *)bg_bh->b_data;  in ocfs2_bg_alloc_cleanup()
573 	el = &bg->bg_list;  in ocfs2_bg_alloc_cleanup()
681 	struct ocfs2_group_desc *bg;  in ocfs2_block_group_alloc()  local
724 	bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_block_group_alloc()
733 	alloc_rec = le16_to_cpu(bg->bg_chain);  in ocfs2_block_group_alloc()
735 		     le16_to_cpu(bg->bg_free_bits_count));  in ocfs2_block_group_alloc()
737 		     le16_to_cpu(bg->bg_bits));  in ocfs2_block_group_alloc()
738 	cl->cl_recs[alloc_rec].c_blkno = bg->bg_blkno;  in ocfs2_block_group_alloc()
742 	le32_add_cpu(&fe->id1.bitmap1.i_used, le16_to_cpu(bg->bg_bits) -  in ocfs2_block_group_alloc()
743 					le16_to_cpu(bg->bg_free_bits_count));  in ocfs2_block_group_alloc()
744 	le32_add_cpu(&fe->id1.bitmap1.i_total, le16_to_cpu(bg->bg_bits));  in ocfs2_block_group_alloc()
1268 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_test_bg_bit_allocatable()  local
1271 	if (ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap))  in ocfs2_test_bg_bit_allocatable()
1278 	bg = (struct ocfs2_group_desc *) bh2jh(bg_bh)->b_committed_data;  in ocfs2_test_bg_bit_allocatable()
1279 	if (bg)  in ocfs2_test_bg_bit_allocatable()
1280 		ret = !ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap);  in ocfs2_test_bg_bit_allocatable()
1297 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_block_group_find_clear_bits()  local
1301 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_block_group_find_clear_bits()
1304 	bitmap = bg->bg_bitmap;  in ocfs2_block_group_find_clear_bits()
1350 					     struct ocfs2_group_desc *bg,  in ocfs2_block_group_set_bits()  argument
1356 	void *bitmap = bg->bg_bitmap;  in ocfs2_block_group_set_bits()
1361 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_block_group_set_bits()
1362 	BUG_ON(le16_to_cpu(bg->bg_free_bits_count) < num_bits);  in ocfs2_block_group_set_bits()
1378 	le16_add_cpu(&bg->bg_free_bits_count, -num_bits);  in ocfs2_block_group_set_bits()
1379 	if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {  in ocfs2_block_group_set_bits()
1381 				   (unsigned long long)le64_to_cpu(bg->bg_blkno),  in ocfs2_block_group_set_bits()
1382 				   le16_to_cpu(bg->bg_bits),  in ocfs2_block_group_set_bits()
1383 				   le16_to_cpu(bg->bg_free_bits_count),  in ocfs2_block_group_set_bits()
1426 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_relink_block_group()  local
1431 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_relink_block_group()
1436 		(unsigned long long)le64_to_cpu(bg->bg_blkno),  in ocfs2_relink_block_group()
1439 	bg_ptr = le64_to_cpu(bg->bg_next_group);  in ocfs2_relink_block_group()
1448 	prev_bg->bg_next_group = bg->bg_next_group;  in ocfs2_relink_block_group()
1456 	bg->bg_next_group = fe->id2.i_chain.cl_recs[chain].c_blkno;  in ocfs2_relink_block_group()
1464 	fe->id2.i_chain.cl_recs[chain].c_blkno = bg->bg_blkno;  in ocfs2_relink_block_group()
1473 	bg->bg_next_group = cpu_to_le64(bg_ptr);  in ocfs2_relink_block_group()
1479 static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg,  in ocfs2_block_group_reasonably_empty()  argument
1482 	return le16_to_cpu(bg->bg_free_bits_count) > wanted;  in ocfs2_block_group_reasonably_empty()
1566 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) group_bh->b_data;  in ocfs2_block_group_search()  local
1571 	if (bg->bg_free_bits_count) {  in ocfs2_block_group_search()
1574 							le16_to_cpu(bg->bg_bits),  in ocfs2_block_group_search()
1577 			blkoff = le64_to_cpu(bg->bg_blkno) +  in ocfs2_block_group_search()
1652 					  struct ocfs2_group_desc *bg,  in ocfs2_bg_discontig_fix_result()  argument
1669 	    !bg->bg_list.l_next_free_rec)  in ocfs2_bg_discontig_fix_result()
1672 	for (i = 0; i < le16_to_cpu(bg->bg_list.l_next_free_rec); i++) {  in ocfs2_bg_discontig_fix_result()
1673 		rec = &bg->bg_list.l_recs[i];  in ocfs2_bg_discontig_fix_result()
1763 	struct ocfs2_group_desc *bg;  in ocfs2_search_chain()  local
1777 	bg = (struct ocfs2_group_desc *) group_bh->b_data;  in ocfs2_search_chain()
1786 		if (!bg->bg_next_group)  in ocfs2_search_chain()
1792 		next_group = le64_to_cpu(bg->bg_next_group);  in ocfs2_search_chain()
1801 		bg = (struct ocfs2_group_desc *) group_bh->b_data;  in ocfs2_search_chain()
1810 		(unsigned long long)le64_to_cpu(bg->bg_blkno), res->sr_bits);  in ocfs2_search_chain()
1812 	res->sr_bg_blkno = le64_to_cpu(bg->bg_blkno);  in ocfs2_search_chain()
1816 		ocfs2_bg_discontig_fix_result(ac, bg, res);  in ocfs2_search_chain()
1839 	    (ocfs2_block_group_reasonably_empty(bg, res->sr_bits))) {  in ocfs2_search_chain()
1862 					    bg,  in ocfs2_search_chain()
1878 	*bits_left = le16_to_cpu(bg->bg_free_bits_count);  in ocfs2_search_chain()
2145 	struct ocfs2_group_desc *bg;  in ocfs2_claim_new_inode_at_loc()  local
2163 	bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_claim_new_inode_at_loc()
2164 	chain = le16_to_cpu(bg->bg_chain);  in ocfs2_claim_new_inode_at_loc()
2176 					 bg,  in ocfs2_claim_new_inode_at_loc()
2394 					struct ocfs2_group_desc *bg,  in ocfs2_block_group_clear_bits()  argument
2407 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_block_group_clear_bits()
2432 				(unsigned long *) bg->bg_bitmap);  in ocfs2_block_group_clear_bits()
2437 	le16_add_cpu(&bg->bg_free_bits_count, num_bits);  in ocfs2_block_group_clear_bits()
2438 	if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {  in ocfs2_block_group_clear_bits()
2442 				   (unsigned long long)le64_to_cpu(bg->bg_blkno),  in ocfs2_block_group_clear_bits()
2443 				   le16_to_cpu(bg->bg_bits),  in ocfs2_block_group_clear_bits()
2444 				   le16_to_cpu(bg->bg_free_bits_count),  in ocfs2_block_group_clear_bits()