509 	struct buffer_head *bh = NULL;  in wnd_rescan()  local
571 		bh = ntfs_bread(sb, lbo >> sb->s_blocksize_bits);  in wnd_rescan()
572 		if (!bh) {  in wnd_rescan()
577 		used = ntfs_bitmap_weight_le(bh->b_data, wbits);  in wnd_rescan()
591 			used = find_next_zero_bit_le(bh->b_data, wbits, wpos);  in wnd_rescan()
607 			frb = find_next_bit_le(bh->b_data, wbits, wpos);  in wnd_rescan()
625 		if (bh)  in wnd_rescan()
626 			put_bh(bh);  in wnd_rescan()
627 		bh = NULL;  in wnd_rescan()
703 	struct buffer_head *bh;  in wnd_map()  local
716 	bh = ntfs_bread(wnd->sb, lbo >> sb->s_blocksize_bits);  in wnd_map()
717 	if (!bh)  in wnd_map()
720 	return bh;  in wnd_map()
733 	struct buffer_head *bh;  in wnd_set_free()  local
742 		bh = wnd_map(wnd, iw);  in wnd_set_free()
743 		if (IS_ERR(bh)) {  in wnd_set_free()
744 			err = PTR_ERR(bh);  in wnd_set_free()
748 		lock_buffer(bh);  in wnd_set_free()
750 		ntfs_bitmap_clear_le(bh->b_data, wbit, op);  in wnd_set_free()
755 		set_buffer_uptodate(bh);  in wnd_set_free()
756 		mark_buffer_dirty(bh);  in wnd_set_free()
757 		unlock_buffer(bh);  in wnd_set_free()
758 		put_bh(bh);  in wnd_set_free()
775 	struct buffer_head *bh;  in wnd_set_used()  local
784 		bh = wnd_map(wnd, iw);  in wnd_set_used()
785 		if (IS_ERR(bh)) {  in wnd_set_used()
786 			err = PTR_ERR(bh);  in wnd_set_used()
790 		lock_buffer(bh);  in wnd_set_used()
792 		ntfs_bitmap_set_le(bh->b_data, wbit, op);  in wnd_set_used()
796 		set_buffer_uptodate(bh);  in wnd_set_used()
797 		mark_buffer_dirty(bh);  in wnd_set_used()
798 		unlock_buffer(bh);  in wnd_set_used()
799 		put_bh(bh);  in wnd_set_used()
866 			struct buffer_head *bh = wnd_map(wnd, iw);  in wnd_is_free_hlp()  local
868 			if (IS_ERR(bh))  in wnd_is_free_hlp()
871 			ret = are_bits_clear(bh->b_data, wbit, op);  in wnd_is_free_hlp()
873 			put_bh(bh);  in wnd_is_free_hlp()
952 			struct buffer_head *bh = wnd_map(wnd, iw);  in wnd_is_used()  local
954 			if (IS_ERR(bh))  in wnd_is_used()
957 			ret = are_bits_set(bh->b_data, wbit, op);  in wnd_is_used()
958 			put_bh(bh);  in wnd_is_used()
988 	struct buffer_head *bh;  in wnd_find()  local
1200 				bh = wnd_map(wnd, iw);  in wnd_find()
1202 				if (IS_ERR(bh)) {  in wnd_find()
1212 					fnd = wnd_scan(bh->b_data, wbit, wpos,  in wnd_find()
1217 						put_bh(bh);  in wnd_find()
1226 					fnd = wnd_scan(bh->b_data, wbit,  in wnd_find()
1231 						put_bh(bh);  in wnd_find()
1237 				put_bh(bh);  in wnd_find()
1257 		bh = wnd_map(wnd, iw);  in wnd_find()
1258 		if (IS_ERR(bh)) {  in wnd_find()
1266 		fnd = wnd_scan(bh->b_data, wbit, wpos, wbits, to_alloc,  in wnd_find()
1268 		put_bh(bh);  in wnd_find()
1364 		struct buffer_head *bh;  in wnd_extend()  local
1376 		bh = ntfs_bread(sb, lbo >> sb->s_blocksize_bits);  in wnd_extend()
1377 		if (!bh)  in wnd_extend()
1380 		lock_buffer(bh);  in wnd_extend()
1382 		ntfs_bitmap_clear_le(bh->b_data, b0, blocksize * 8 - b0);  in wnd_extend()
1383 		frb = wbits - ntfs_bitmap_weight_le(bh->b_data, wbits);  in wnd_extend()
1387 		set_buffer_uptodate(bh);  in wnd_extend()
1388 		mark_buffer_dirty(bh);  in wnd_extend()
1389 		unlock_buffer(bh);  in wnd_extend()
1391 		put_bh(bh);  in wnd_extend()
1445 		struct buffer_head *bh;  in ntfs_trim_fs()  local
1459 		bh = wnd_map(wnd, iw);  in ntfs_trim_fs()
1460 		if (IS_ERR(bh)) {  in ntfs_trim_fs()
1461 			err = PTR_ERR(bh);  in ntfs_trim_fs()
1466 			if (!test_bit_le(wbit, bh->b_data)) {  in ntfs_trim_fs()
1480 		put_bh(bh);  in ntfs_trim_fs()