165 	clear_bit(BH_Wait_IO, &bh->b_state);  in unlock_buffer()
166 	clear_bit(BH_Launder, &bh->b_state);  in unlock_buffer()
174 	clear_bit(BH_Lock, &bh->b_state);  in unlock_buffer()
264 		if (test_and_set_bit(BH_Lock, &bh->b_state))  in write_some_buffers()
1196 	set_bit(BH_Sync, &bh->b_state);  in bread()
1322 		bh->b_state = 0;  in create_buffers()
1380 		clear_bit(BH_Uptodate, &bh->b_state);  in discard_buffer()
1381 		clear_bit(BH_Mapped, &bh->b_state);  in discard_buffer()
1382 		clear_bit(BH_Req, &bh->b_state);  in discard_buffer()
1383 		clear_bit(BH_New, &bh->b_state);  in discard_buffer()
1384 		clear_bit(BH_Delay, &bh->b_state);  in discard_buffer()
1508 		clear_bit(BH_Req, &old_bh->b_state);  in unmap_underlying_metadata()
1573 		set_bit(BH_Uptodate, &bh->b_state);  in __block_write_full_page()
1574 		clear_bit(BH_Dirty, &bh->b_state);  in __block_write_full_page()
1613 			set_bit(BH_Uptodate, &bh->b_state);  in __block_write_full_page()
1614 			clear_bit(BH_Dirty, &bh->b_state);  in __block_write_full_page()
1652 		clear_bit(BH_New, &bh->b_state);  in __block_prepare_write()
1660 					set_bit(BH_Uptodate, &bh->b_state);  in __block_prepare_write()
1673 			set_bit(BH_Uptodate, &bh->b_state);  in __block_prepare_write()
1720 			set_bit(BH_Uptodate, &bh->b_state);  in __block_prepare_write()
1748 			set_bit(BH_Uptodate, &bh->b_state);  in __block_commit_write()
1812 				set_bit(BH_Uptodate, &bh->b_state);  in block_read_full_page()
2072 		set_bit(BH_Uptodate, &bh->b_state);  in block_truncate_page()
2182 	tmp.b_state = 0;  in generic_block_bmap()
2201 		bh.b_state = 0;  in generic_direct_IO()
2389 				tmp->b_state = (1 << BH_Mapped) | (1 << BH_Lock) | (1 << BH_Req);  in brw_kiovec()
2392 					set_bit(BH_Uptodate, &tmp->b_state);  in brw_kiovec()
2393 					clear_bit(BH_Dirty, &tmp->b_state);  in brw_kiovec()
2395 					set_bit(BH_Uptodate, &tmp->b_state);  in brw_kiovec()
2467 		set_bit(BH_Mapped, &bh->b_state);  in brw_page()
2579 		if (!(bh->b_state & (1 << BH_Mapped))) {  in hash_page_buffers()
2583 			bh->b_state = uptodate;  in hash_page_buffers()
2687 		if (!test_and_set_bit(BH_Wait_IO, &bh->b_state)) {  in sync_page_buffers()
2693 		if (test_and_set_bit(BH_Lock, &bh->b_state)) {  in sync_page_buffers()
2722 #define buffer_busy(bh)		(atomic_read(&(bh)->b_count) | ((bh)->b_state & BUFFER_BUSY_BITS))