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
1257 	if (ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap))  in ocfs2_test_bg_bit_allocatable()
1264 	bg = (struct ocfs2_group_desc *) bh2jh(bg_bh)->b_committed_data;  in ocfs2_test_bg_bit_allocatable()
1265 	if (bg)  in ocfs2_test_bg_bit_allocatable()
1266 		ret = !ocfs2_test_bit(nr, (unsigned long *)bg->bg_bitmap);  in ocfs2_test_bg_bit_allocatable()
1283 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_block_group_find_clear_bits()  local
1287 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_block_group_find_clear_bits()
1290 	bitmap = bg->bg_bitmap;  in ocfs2_block_group_find_clear_bits()
1336 					     struct ocfs2_group_desc *bg,  in ocfs2_block_group_set_bits()  argument
1342 	void *bitmap = bg->bg_bitmap;  in ocfs2_block_group_set_bits()
1347 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_block_group_set_bits()
1348 	BUG_ON(le16_to_cpu(bg->bg_free_bits_count) < num_bits);  in ocfs2_block_group_set_bits()
1364 	le16_add_cpu(&bg->bg_free_bits_count, -num_bits);  in ocfs2_block_group_set_bits()
1365 	if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {  in ocfs2_block_group_set_bits()
1367 				   (unsigned long long)le64_to_cpu(bg->bg_blkno),  in ocfs2_block_group_set_bits()
1368 				   le16_to_cpu(bg->bg_bits),  in ocfs2_block_group_set_bits()
1369 				   le16_to_cpu(bg->bg_free_bits_count),  in ocfs2_block_group_set_bits()
1412 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_relink_block_group()  local
1417 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_relink_block_group()
1422 		(unsigned long long)le64_to_cpu(bg->bg_blkno),  in ocfs2_relink_block_group()
1425 	bg_ptr = le64_to_cpu(bg->bg_next_group);  in ocfs2_relink_block_group()
1434 	prev_bg->bg_next_group = bg->bg_next_group;  in ocfs2_relink_block_group()
1442 	bg->bg_next_group = fe->id2.i_chain.cl_recs[chain].c_blkno;  in ocfs2_relink_block_group()
1450 	fe->id2.i_chain.cl_recs[chain].c_blkno = bg->bg_blkno;  in ocfs2_relink_block_group()
1459 	bg->bg_next_group = cpu_to_le64(bg_ptr);  in ocfs2_relink_block_group()
1465 static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg,  in ocfs2_block_group_reasonably_empty()  argument
1468 	return le16_to_cpu(bg->bg_free_bits_count) > wanted;  in ocfs2_block_group_reasonably_empty()
1552 	struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) group_bh->b_data;  in ocfs2_block_group_search()  local
1557 	if (bg->bg_free_bits_count) {  in ocfs2_block_group_search()
1560 							le16_to_cpu(bg->bg_bits),  in ocfs2_block_group_search()
1563 			blkoff = le64_to_cpu(bg->bg_blkno) +  in ocfs2_block_group_search()
1638 					  struct ocfs2_group_desc *bg,  in ocfs2_bg_discontig_fix_result()  argument
1655 	    !bg->bg_list.l_next_free_rec)  in ocfs2_bg_discontig_fix_result()
1658 	for (i = 0; i < le16_to_cpu(bg->bg_list.l_next_free_rec); i++) {  in ocfs2_bg_discontig_fix_result()
1659 		rec = &bg->bg_list.l_recs[i];  in ocfs2_bg_discontig_fix_result()
1749 	struct ocfs2_group_desc *bg;  in ocfs2_search_chain()  local
1763 	bg = (struct ocfs2_group_desc *) group_bh->b_data;  in ocfs2_search_chain()
1772 		if (!bg->bg_next_group)  in ocfs2_search_chain()
1778 		next_group = le64_to_cpu(bg->bg_next_group);  in ocfs2_search_chain()
1787 		bg = (struct ocfs2_group_desc *) group_bh->b_data;  in ocfs2_search_chain()
1796 		(unsigned long long)le64_to_cpu(bg->bg_blkno), res->sr_bits);  in ocfs2_search_chain()
1798 	res->sr_bg_blkno = le64_to_cpu(bg->bg_blkno);  in ocfs2_search_chain()
1802 		ocfs2_bg_discontig_fix_result(ac, bg, res);  in ocfs2_search_chain()
1825 	    (ocfs2_block_group_reasonably_empty(bg, res->sr_bits))) {  in ocfs2_search_chain()
1848 					    bg,  in ocfs2_search_chain()
1864 	*bits_left = le16_to_cpu(bg->bg_free_bits_count);  in ocfs2_search_chain()
2131 	struct ocfs2_group_desc *bg;  in ocfs2_claim_new_inode_at_loc()  local
2149 	bg = (struct ocfs2_group_desc *) bg_bh->b_data;  in ocfs2_claim_new_inode_at_loc()
2150 	chain = le16_to_cpu(bg->bg_chain);  in ocfs2_claim_new_inode_at_loc()
2162 					 bg,  in ocfs2_claim_new_inode_at_loc()
2380 					struct ocfs2_group_desc *bg,  in ocfs2_block_group_clear_bits()  argument
2393 	BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg));  in ocfs2_block_group_clear_bits()
2418 				(unsigned long *) bg->bg_bitmap);  in ocfs2_block_group_clear_bits()
2423 	le16_add_cpu(&bg->bg_free_bits_count, num_bits);  in ocfs2_block_group_clear_bits()
2424 	if (le16_to_cpu(bg->bg_free_bits_count) > le16_to_cpu(bg->bg_bits)) {  in ocfs2_block_group_clear_bits()
2428 				   (unsigned long long)le64_to_cpu(bg->bg_blkno),  in ocfs2_block_group_clear_bits()
2429 				   le16_to_cpu(bg->bg_bits),  in ocfs2_block_group_clear_bits()
2430 				   le16_to_cpu(bg->bg_free_bits_count),  in ocfs2_block_group_clear_bits()