branches/zip: Introduce the unsigned 64-bit data type ib_ulonglong

for log sequence numbers, to replace dulint.

buf/buf0buf.c

@@ -294,7 +294,7 @@ buf_page_is_corrupted(
 	ulint		checksum_field;
 	ulint		old_checksum_field;
 #ifndef UNIV_HOTBACKUP
-	dulint	current_lsn;
+	ib_ulonglong	current_lsn;
 #endif
 	if (UNIV_LIKELY(!zip_size)
 	    && memcmp(read_buf + FIL_PAGE_LSN + 4,
@@ -309,16 +309,14 @@ buf_page_is_corrupted(
 
 #ifndef UNIV_HOTBACKUP
 	if (recv_lsn_checks_on && log_peek_lsn(&current_lsn)) {
-		if (ut_dulint_cmp(current_lsn,
-				  mach_read_from_8(read_buf + FIL_PAGE_LSN))
-		    < 0) {
+		if (current_lsn < mach_read_ull(read_buf + FIL_PAGE_LSN)) {
 			ut_print_timestamp(stderr);
 
 			fprintf(stderr,
 				"  InnoDB: Error: page %lu log sequence number"
-				" %lu %lu\n"
+				" %llu\n"
 				"InnoDB: is in the future! Current system "
-				"log sequence number %lu %lu.\n"
+				"log sequence number %llu.\n"
 				"InnoDB: Your database may be corrupt or "
 				"you may have copied the InnoDB\n"
 				"InnoDB: tablespace but not the InnoDB "
@@ -328,14 +326,8 @@ buf_page_is_corrupted(
 				"InnoDB: for more information.\n",
 				(ulong) mach_read_from_4(read_buf
 							 + FIL_PAGE_OFFSET),
-				(ulong) ut_dulint_get_high(
-					mach_read_from_8(read_buf
-							 + FIL_PAGE_LSN)),
-				(ulong) ut_dulint_get_low(
-					mach_read_from_8(read_buf
-							 + FIL_PAGE_LSN)),
-				(ulong) ut_dulint_get_high(current_lsn),
-				(ulong) ut_dulint_get_low(current_lsn));
+				mach_read_ull(read_buf + FIL_PAGE_LSN),
+				current_lsn);
 		}
 	}
 #endif
@@ -608,7 +600,7 @@ buf_block_init(
 	block->buf_fix_count = 0;
 	block->io_fix = 0;
 
-	block->modify_clock = ut_dulint_zero;
+	block->modify_clock = 0;
 
 #ifdef UNIV_DEBUG_FILE_ACCESSES
 	block->file_page_was_freed = FALSE;
@@ -1005,8 +997,7 @@ buf_pool_shrink(
 			/* Avoid busy-waiting. */
 			os_thread_sleep(100000);
 		} else if (dirty
-			   && buf_flush_batch(BUF_FLUSH_LRU, dirty,
-					      ut_dulint_zero)
+			   && buf_flush_batch(BUF_FLUSH_LRU, dirty, 0)
 			   == ULINT_UNDEFINED) {
 
 			buf_flush_wait_batch_end(BUF_FLUSH_LRU);
@@ -1558,7 +1549,7 @@ buf_page_optimistic_get_func(
 				/* out: TRUE if success */
 	ulint		rw_latch,/* in: RW_S_LATCH, RW_X_LATCH */
 	buf_block_t*	block,	/* in: guessed buffer block */
-	dulint		modify_clock,/* in: modify clock value if mode is
+	ib_ulonglong	modify_clock,/* in: modify clock value if mode is
 				..._GUESS_ON_CLOCK */
 	const char*	file,	/* in: file name */
 	ulint		line,	/* in: line where called */
@@ -1622,7 +1613,7 @@ buf_page_optimistic_get_func(
 		return(FALSE);
 	}
 
-	if (UNIV_UNLIKELY(!UT_DULINT_EQ(modify_clock, block->modify_clock))) {
+	if (UNIV_UNLIKELY(modify_clock != block->modify_clock)) {
 #ifdef UNIV_SYNC_DEBUG
 		buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK);
 #endif /* UNIV_SYNC_DEBUG */
@@ -1791,8 +1782,8 @@ buf_page_init_for_backup_restore(
 
 	block->freed_page_clock = 0;
 
-	block->newest_modification = ut_dulint_zero;
-	block->oldest_modification = ut_dulint_zero;
+	block->newest_modification = 0;
+	block->oldest_modification = 0;
 
 	block->accessed		= FALSE;
 	block->buf_fix_count	= 0;
@@ -1864,8 +1855,8 @@ buf_page_init(
 
 	block->freed_page_clock = 0;
 
-	block->newest_modification = ut_dulint_zero;
-	block->oldest_modification = ut_dulint_zero;
+	block->newest_modification = 0;
+	block->oldest_modification = 0;
 
 	block->accessed		= FALSE;
 	block->buf_fix_count	= 0;
@@ -2438,8 +2429,7 @@ buf_validate(void)
 
 				n_lru++;
 
-				if (ut_dulint_cmp(block->oldest_modification,
-						  ut_dulint_zero) > 0) {
+				if (block->oldest_modification > 0) {
 					n_flush++;
 				}
 

buf/buf0flu.c

@@ -58,9 +58,8 @@ buf_flush_insert_into_flush_list(
 	ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE);
 
 	ut_ad((UT_LIST_GET_FIRST(buf_pool->flush_list) == NULL)
-	      || (ut_dulint_cmp((UT_LIST_GET_FIRST(buf_pool->flush_list))
-				->oldest_modification,
-				block->oldest_modification) <= 0));
+	      || (UT_LIST_GET_FIRST(buf_pool->flush_list)->oldest_modification
+		  <= block->oldest_modification));
 
 	UT_LIST_ADD_FIRST(flush_list, buf_pool->flush_list, block);
 
@@ -89,8 +88,7 @@ buf_flush_insert_sorted_into_flush_list(
 	prev_b = NULL;
 	b = UT_LIST_GET_FIRST(buf_pool->flush_list);
 
-	while (b && (ut_dulint_cmp(b->oldest_modification,
-				   block->oldest_modification) > 0)) {
+	while (b && b->oldest_modification > block->oldest_modification) {
 		prev_b = b;
 		b = UT_LIST_GET_NEXT(flush_list, b);
 	}
@@ -133,14 +131,9 @@ buf_flush_ready_for_replace(
 		return(FALSE);
 	}
 
-	if ((ut_dulint_cmp(block->oldest_modification, ut_dulint_zero) > 0)
-	    || (block->buf_fix_count != 0)
-	    || (block->io_fix != 0)) {
-
-		return(FALSE);
-	}
-
-	return(TRUE);
+	return(block->oldest_modification == 0
+	       && block->buf_fix_count == 0
+	       && block->io_fix == 0);
 }
 
 /************************************************************************
@@ -160,8 +153,7 @@ buf_flush_ready_for_flush(
 #endif /* UNIV_SYNC_DEBUG */
 	ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE);
 
-	if ((ut_dulint_cmp(block->oldest_modification, ut_dulint_zero) > 0)
-	    && (block->io_fix == 0)) {
+	if (block->oldest_modification != 0 && block->io_fix == 0) {
 		if (flush_type != BUF_FLUSH_LRU) {
 
 			return(TRUE);
@@ -193,7 +185,7 @@ buf_flush_write_complete(
 #endif /* UNIV_SYNC_DEBUG */
 	ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE);
 
-	block->oldest_modification = ut_dulint_zero;
+	block->oldest_modification = 0;
 
 	UT_LIST_REMOVE(flush_list, buf_pool->flush_list, block);
 
@@ -511,7 +503,8 @@ buf_flush_init_for_writing(
 /*=======================*/
 	byte*		page,		/* in/out: page */
 	void*		page_zip_,	/* in/out: compressed page, or NULL */
-	dulint	newest_lsn)	/* in: newest modification lsn to the page */
+	ib_ulonglong	newest_lsn)	/* in: newest modification lsn
+					to the page */
 {
 	if (page_zip_) {
 		page_zip_des_t*	page_zip = page_zip_;
@@ -531,7 +524,7 @@ buf_flush_init_for_writing(
 			/* fall through */
 		case FIL_PAGE_TYPE_ZBLOB:
 		case FIL_PAGE_INDEX:
-			mach_write_to_8(page_zip->data
+			mach_write_ull(page_zip->data
 				       + FIL_PAGE_LSN, newest_lsn);
 			memset(page_zip->data + FIL_PAGE_FILE_FLUSH_LSN, 0, 8);
 			mach_write_to_4(page_zip->data
@@ -547,9 +540,9 @@ buf_flush_init_for_writing(
 	}
 
 	/* Write the newest modification lsn to the page header and trailer */
-	mach_write_to_8(page + FIL_PAGE_LSN, newest_lsn);
+	mach_write_ull(page + FIL_PAGE_LSN, newest_lsn);
 
-	mach_write_to_8(page + UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM,
+	mach_write_ull(page + UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM,
 		       newest_lsn);
 
 	/* Store the new formula checksum */
@@ -589,7 +582,7 @@ buf_flush_write_block_low(
 	ut_a(ibuf_count_get(buf_block_get_space(block),
 			    buf_block_get_page_no(block)) == 0);
 #endif
-	ut_ad(!ut_dulint_is_zero(block->newest_modification));
+	ut_ad(block->newest_modification != 0);
 
 #ifdef UNIV_LOG_DEBUG
 	if (!univ_log_debug_warned) {
@@ -876,19 +869,22 @@ the calling thread is not allowed to own any latches on pages! */
 ulint
 buf_flush_batch(
 /*============*/
-				/* out: number of blocks for which the write
-				request was queued; ULINT_UNDEFINED if there
-				was a flush of the same type already running */
-	ulint	flush_type,	/* in: BUF_FLUSH_LRU or BUF_FLUSH_LIST; if
-				BUF_FLUSH_LIST, then the caller must not own
-				any latches on pages */
-	ulint	min_n,		/* in: wished minimum mumber of blocks flushed
-				(it is not guaranteed that the actual number
-				is that big, though) */
-	dulint	lsn_limit)	/* in the case BUF_FLUSH_LIST all blocks whose
-				oldest_modification is smaller than this
-				should be flushed (if their number does not
-				exceed min_n), otherwise ignored */
+					/* out: number of blocks for which the
+					write request was queued;
+					ULINT_UNDEFINED if there was a flush
+					of the same type already running */
+	ulint		flush_type,	/* in: BUF_FLUSH_LRU or
+					BUF_FLUSH_LIST; if BUF_FLUSH_LIST,
+					then the caller must not own any
+					latches on pages */
+	ulint		min_n,		/* in: wished minimum mumber of blocks
+					flushed (it is not guaranteed that the
+					actual number is that big, though) */
+	ib_ulonglong	lsn_limit)	/* in the case BUF_FLUSH_LIST all
+					blocks whose oldest_modification is
+					smaller than this should be flushed
+					(if their number does not exceed
+					min_n), otherwise ignored */
 {
 	buf_block_t*	block;
 	ulint		page_count	= 0;
@@ -934,8 +930,7 @@ buf_flush_batch(
 
 			block = UT_LIST_GET_LAST(buf_pool->flush_list);
 			if (!block
-			    || (ut_dulint_cmp(block->oldest_modification,
-					      lsn_limit) >= 0)) {
+			    || block->oldest_modification >= lsn_limit) {
 				/* We have flushed enough */
 
 				break;
@@ -1109,8 +1104,7 @@ buf_flush_free_margin(void)
 	n_to_flush = buf_flush_LRU_recommendation();
 
 	if (n_to_flush > 0) {
-		n_flushed = buf_flush_batch(BUF_FLUSH_LRU, n_to_flush,
-					    ut_dulint_zero);
+		n_flushed = buf_flush_batch(BUF_FLUSH_LRU, n_to_flush, 0);
 		if (n_flushed == ULINT_UNDEFINED) {
 			/* There was an LRU type flush batch already running;
 			let us wait for it to end */
@@ -1130,7 +1124,7 @@ buf_flush_validate_low(void)
 		/* out: TRUE if ok */
 {
 	buf_block_t*	block;
-	dulint		om;
+	ib_ulonglong	om;
 
 	UT_LIST_VALIDATE(flush_list, buf_block_t, buf_pool->flush_list);
 
@@ -1139,13 +1133,12 @@ buf_flush_validate_low(void)
 	while (block != NULL) {
 		om = block->oldest_modification;
 		ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE);
-		ut_a(ut_dulint_cmp(om, ut_dulint_zero) > 0);
+		ut_a(om > 0);
 
 		block = UT_LIST_GET_NEXT(flush_list, block);
 
 		if (block) {
-			ut_a(ut_dulint_cmp(om, block->oldest_modification)
-			     >= 0);
+			ut_a(om >= block->oldest_modification);
 		}
 	}
 

buf/buf0lru.c

@@ -129,12 +129,11 @@ buf_LRU_invalidate_tablespace(
 				goto scan_again;
 			}
 
-			if (0 != ut_dulint_cmp(block->oldest_modification,
-					       ut_dulint_zero)) {
+			if (block->oldest_modification != 0) {
 
 				/* Remove from the flush list of modified
 				blocks */
-				block->oldest_modification = ut_dulint_zero;
+				block->oldest_modification = 0;
 
 				UT_LIST_REMOVE(flush_list,
 					       buf_pool->flush_list, block);
@@ -913,7 +912,7 @@ buf_LRU_block_remove_hashed_page(
 	ut_a(buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE);
 	ut_a(block->io_fix == 0);
 	ut_a(block->buf_fix_count == 0);
-	ut_a(ut_dulint_cmp(block->oldest_modification, ut_dulint_zero) == 0);
+	ut_a(block->oldest_modification == 0);
 
 	buf_LRU_remove_block(block);
 
@@ -1091,7 +1090,7 @@ buf_LRU_print(void)
 			fprintf(stderr, "io_fix %lu ", (ulong) block->io_fix);
 		}
 
-		if (!ut_dulint_is_zero(block->oldest_modification)) {
+		if (block->oldest_modification) {
 			fputs("modif. ", stderr);
 		}
 

fil/fil0fil.c

@@ -1639,9 +1639,9 @@ static
 ulint
 fil_write_lsn_and_arch_no_to_file(
 /*==============================*/
-	ulint	sum_of_sizes,	/* in: combined size of previous files in
-				space, in database pages */
-	dulint	lsn,		/* in: lsn to write */
+	ulint		sum_of_sizes,	/* in: combined size of previous files
+					in space, in database pages */
+	ib_ulonglong	lsn,		/* in: lsn to write */
 	ulint		arch_log_no	/* in: archived log number to write */
 	__attribute__((unused)))
 {
@@ -1653,7 +1653,7 @@ fil_write_lsn_and_arch_no_to_file(
 
 	fil_read(TRUE, 0, 0, sum_of_sizes, 0, UNIV_PAGE_SIZE, buf, NULL);
 
-	mach_write_to_8(buf + FIL_PAGE_FILE_FLUSH_LSN, lsn);
+	mach_write_ull(buf + FIL_PAGE_FILE_FLUSH_LSN, lsn);
 
 	fil_write(TRUE, 0, 0, sum_of_sizes, 0, UNIV_PAGE_SIZE, buf, NULL);
 
@@ -1668,8 +1668,9 @@ ulint
 fil_write_flushed_lsn_to_data_files(
 /*================================*/
 					/* out: DB_SUCCESS or error number */
-	dulint	lsn,		/* in: lsn to write */
-	ulint	arch_log_no)	/* in: latest archived log file number */
+	ib_ulonglong	lsn,		/* in: lsn to write */
+	ulint		arch_log_no)	/* in: latest archived log
+					file number */
 {
 	fil_space_t*	space;
 	fil_node_t*	node;
@@ -1724,18 +1725,19 @@ void
 fil_read_flushed_lsn_and_arch_log_no(
 /*=================================*/
 	os_file_t	data_file,		/* in: open data file */
-	ibool	one_read_already,	/* in: TRUE if min and max parameters
-					below already contain sensible data */
+	ibool		one_read_already,	/* in: TRUE if min and max
+						parameters below already
+						contain sensible data */
 #ifdef UNIV_LOG_ARCHIVE
 	ulint*		min_arch_log_no,	/* in/out: */
 	ulint*		max_arch_log_no,	/* in/out: */
 #endif /* UNIV_LOG_ARCHIVE */
-	dulint*	min_flushed_lsn,	/* in/out: */
-	dulint*	max_flushed_lsn)	/* in/out: */
+	ib_ulonglong*	min_flushed_lsn,	/* in/out: */
+	ib_ulonglong*	max_flushed_lsn)	/* in/out: */
 {
 	byte*		buf;
 	byte*		buf2;
-	dulint	flushed_lsn;
+	ib_ulonglong	flushed_lsn;
 
 	buf2 = ut_malloc(2 * UNIV_PAGE_SIZE);
 	/* Align the memory for a possible read from a raw device */
@@ -1743,7 +1745,7 @@ fil_read_flushed_lsn_and_arch_log_no(
 
 	os_file_read(data_file, buf, 0, 0, UNIV_PAGE_SIZE);
 
-	flushed_lsn = mach_read_from_8(buf + FIL_PAGE_FILE_FLUSH_LSN);
+	flushed_lsn = mach_read_ull(buf + FIL_PAGE_FILE_FLUSH_LSN);
 
 	ut_free(buf2);
 
@@ -1757,10 +1759,10 @@ fil_read_flushed_lsn_and_arch_log_no(
 		return;
 	}
 
-	if (ut_dulint_cmp(*min_flushed_lsn, flushed_lsn) > 0) {
+	if (*min_flushed_lsn > flushed_lsn) {
 		*min_flushed_lsn = flushed_lsn;
 	}
-	if (ut_dulint_cmp(*max_flushed_lsn, flushed_lsn) < 0) {
+	if (*max_flushed_lsn < flushed_lsn) {
 		*max_flushed_lsn = flushed_lsn;
 	}
 #ifdef UNIV_LOG_ARCHIVE
@@ -2654,7 +2656,7 @@ fil_create_new_single_table_tablespace(
 	mach_write_to_4(page + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID, *space_id);
 
 	if (!zip_size) {
-		buf_flush_init_for_writing(page, NULL, ut_dulint_zero);
+		buf_flush_init_for_writing(page, NULL, 0);
 		ret = os_file_write(path, file, page, 0, 0, UNIV_PAGE_SIZE);
 	} else {
 		page_zip_des_t	page_zip;
@@ -2662,7 +2664,7 @@ fil_create_new_single_table_tablespace(
 		page_zip.data = page + UNIV_PAGE_SIZE;
 		page_zip.state = page_zip.n_blobs
 			= page_zip.m_start = page_zip.m_end = 0;
-		buf_flush_init_for_writing(page, &page_zip, ut_dulint_zero);
+		buf_flush_init_for_writing(page, &page_zip, 0);
 		ret = os_file_write(path, file, page_zip.data, 0, 0, zip_size);
 	}
 
@@ -2734,7 +2736,7 @@ fil_reset_too_high_lsns(
 					/* out: TRUE if success */
 	const char*	name,		/* in: table name in the
 					databasename/tablename format */
-	dulint		current_lsn)	/* in: reset lsn's if the lsn stamped
+	ib_ulonglong	current_lsn)	/* in: reset lsn's if the lsn stamped
 					to FIL_PAGE_FILE_FLUSH_LSN in the
 					first page is too high */
 {
@@ -2742,7 +2744,7 @@ fil_reset_too_high_lsns(
 	char*		filepath;
 	byte*		page;
 	byte*		buf2;
-	dulint		flush_lsn;
+	ib_ulonglong	flush_lsn;
 	ulint		space_id;
 	ib_longlong	file_size;
 	ib_longlong	offset;
@@ -2783,9 +2785,9 @@ fil_reset_too_high_lsns(
 
 	/* We have to read the file flush lsn from the header of the file */
 
-	flush_lsn = mach_read_from_8(page + FIL_PAGE_FILE_FLUSH_LSN);
+	flush_lsn = mach_read_ull(page + FIL_PAGE_FILE_FLUSH_LSN);
 
-	if (ut_dulint_cmp(current_lsn, flush_lsn) >= 0) {
+	if (current_lsn >= flush_lsn) {
 		/* Ok */
 		success = TRUE;
 
@@ -2799,14 +2801,11 @@ fil_reset_too_high_lsns(
 	fprintf(stderr,
 		"  InnoDB: Flush lsn in the tablespace file %lu"
 		" to be imported\n"
-		"InnoDB: is %lu %lu, which exceeds current"
-		" system lsn %lu %lu.\n"
+		"InnoDB: is %llu, which exceeds current"
+		" system lsn %llu.\n"
 		"InnoDB: We reset the lsn's in the file ",
 		(ulong) space_id,
-		(ulong) ut_dulint_get_high(flush_lsn),
-		(ulong) ut_dulint_get_low(flush_lsn),
-		(ulong) ut_dulint_get_high(current_lsn),
-		(ulong) ut_dulint_get_low(current_lsn));
+		flush_lsn, current_lsn);
 	ut_print_filename(stderr, filepath);
 	fputs(".\n", stderr);
 
@@ -2828,8 +2827,7 @@ fil_reset_too_high_lsns(
 
 			goto func_exit;
 		}
-		if (ut_dulint_cmp(mach_read_from_8(page + FIL_PAGE_LSN),
-				  current_lsn) > 0) {
+		if (mach_read_ull(page + FIL_PAGE_LSN) > current_lsn) {
 			/* We have to reset the lsn */
 
 			if (zip_size) {
@@ -2868,7 +2866,7 @@ fil_reset_too_high_lsns(
 		goto func_exit;
 	}
 
-	mach_write_to_8(page + FIL_PAGE_FILE_FLUSH_LSN, current_lsn);
+	mach_write_ull(page + FIL_PAGE_FILE_FLUSH_LSN, current_lsn);
 
 	success = os_file_write(filepath, file, page, 0, 0,
 				zip_size ? zip_size : UNIV_PAGE_SIZE);

include/btr0pcur.h

@@ -477,7 +477,7 @@ struct btr_pcur_struct{
 					old_rec record */
 	buf_block_t*	block_when_stored;/* buffer block when the position was
 					stored */
-	dulint		modify_clock;	/* the modify clock value of the
+	ib_ulonglong	modify_clock;	/* the modify clock value of the
 					buffer block when the cursor position
 					was stored */
 	ulint		pos_state;	/* see TODO note below!

include/buf0buf.h

@@ -103,13 +103,13 @@ buf_pool_get_curr_size(void);
 			/* out: size in bytes */
 /************************************************************************
 Gets the smallest oldest_modification lsn for any page in the pool. Returns
-ut_dulint_zero if all modified pages have been flushed to disk. */
+zero if all modified pages have been flushed to disk. */
 UNIV_INLINE
-dulint
+ib_ulonglong
 buf_pool_get_oldest_modification(void);
 /*==================================*/
 				/* out: oldest modification in pool,
-				ut_dulint_zero if none */
+				zero if none */
 /************************************************************************
 Allocates a buffer block. */
 UNIV_INLINE
@@ -173,7 +173,7 @@ buf_page_optimistic_get_func(
 				/* out: TRUE if success */
 	ulint		rw_latch,/* in: RW_S_LATCH, RW_X_LATCH */
 	buf_block_t*	block,	/* in: guessed block */
-	dulint		modify_clock,/* in: modify clock value if mode is
+	ib_ulonglong	modify_clock,/* in: modify clock value if mode is
 				..._GUESS_ON_CLOCK */
 	const char*	file,	/* in: file name */
 	ulint		line,	/* in: line where called */
@@ -364,7 +364,7 @@ buf_page_peek_if_search_hashed(
 Gets the youngest modification log sequence number for a frame.
 Returns zero if not file page or no modification occurred yet. */
 UNIV_INLINE
-dulint
+ib_ulonglong
 buf_block_get_newest_modification(
 /*==============================*/
 				/* out: newest modification to page */
@@ -382,7 +382,7 @@ buf_block_modify_clock_inc(
 Returns the value of the modify clock. The caller must have an s-lock
 or x-lock on the block. */
 UNIV_INLINE
-dulint
+ib_ulonglong
 buf_block_get_modify_clock(
 /*=======================*/
 				/* out: value */
@@ -755,11 +755,11 @@ struct buf_block_struct{
 	UT_LIST_NODE_T(buf_block_t) flush_list;
 					/* node of the modified, not yet
 					flushed blocks list */
-	dulint		newest_modification;
+	ib_ulonglong	newest_modification;
 					/* log sequence number of the youngest
 					modification to this block, zero if
 					not modified */
-	dulint		oldest_modification;
+	ib_ulonglong	oldest_modification;
 					/* log sequence number of the START of
 					the log entry written of the oldest
 					modification to this block which has
@@ -812,7 +812,7 @@ struct buf_block_struct{
 					protected by block->mutex */
 	/* 4. Optimistic search field */
 
-	dulint		modify_clock;	/* this clock is incremented every
+	ib_ulonglong	modify_clock;	/* this clock is incremented every
 					time a pointer to a record on the
 					page may become obsolete; this is
 					used in the optimistic cursor

include/buf0buf.ic

@@ -39,23 +39,23 @@ buf_pool_get_curr_size(void)
 
 /************************************************************************
 Gets the smallest oldest_modification lsn for any page in the pool. Returns
-ut_dulint_zero if all modified pages have been flushed to disk. */
+zero if all modified pages have been flushed to disk. */
 UNIV_INLINE
-dulint
+ib_ulonglong
 buf_pool_get_oldest_modification(void)
 /*==================================*/
 				/* out: oldest modification in pool,
-				ut_dulint_zero if none */
+				zero if none */
 {
 	buf_block_t*	block;
-	dulint		lsn;
+	ib_ulonglong	lsn;
 
 	mutex_enter(&(buf_pool->mutex));
 
 	block = UT_LIST_GET_LAST(buf_pool->flush_list);
 
 	if (block == NULL) {
-		lsn = ut_dulint_zero;
+		lsn = 0;
 	} else {
 		lsn = block->oldest_modification;
 	}
@@ -408,23 +408,23 @@ buf_page_io_query(
 }
 
 /************************************************************************
-Gets the youngest modification log sequence number for a frame. Returns zero
-if not a file page or no modification occurred yet. */
+Gets the youngest modification log sequence number for a frame.
+Returns zero if not file page or no modification occurred yet. */
 UNIV_INLINE
-dulint
+ib_ulonglong
 buf_block_get_newest_modification(
 /*==============================*/
-				/* out: newest modification to the page */
+				/* out: newest modification to page */
 	buf_block_t*	block)	/* in: block containing the page frame */
 {
-	dulint		lsn;
+	ib_ulonglong	lsn;
 
 	mutex_enter(&(buf_pool->mutex));
 
 	if (buf_block_get_state(block) == BUF_BLOCK_FILE_PAGE) {
 		lsn = block->newest_modification;
 	} else {
-		lsn = ut_dulint_zero;
+		lsn = 0;
 	}
 
 	mutex_exit(&(buf_pool->mutex));
@@ -447,14 +447,14 @@ buf_block_modify_clock_inc(
 	      || rw_lock_own(&(block->lock), RW_LOCK_EXCLUSIVE));
 #endif /* UNIV_SYNC_DEBUG */
 
-	UT_DULINT_INC(block->modify_clock);
+	block->modify_clock++;
 }
 
 /************************************************************************
 Returns the value of the modify clock. The caller must have an s-lock
 or x-lock on the block. */
 UNIV_INLINE
-dulint
+ib_ulonglong
 buf_block_get_modify_clock(
 /*=======================*/
 				/* out: value */

include/buf0flu.h

@@ -35,8 +35,9 @@ void
 buf_flush_init_for_writing(
 /*=======================*/
 	byte*		page,		/* in/out: page */
-	void*	page_zip,	/* in/out: compressed page, or NULL */
-	dulint	newest_lsn);	/* in: newest modification lsn to the page */
+	void*		page_zip_,	/* in/out: compressed page, or NULL */
+	ib_ulonglong	newest_lsn);	/* in: newest modification lsn
+					to the page */
 /***********************************************************************
 This utility flushes dirty blocks from the end of the LRU list or flush_list.
 NOTE 1: in the case of an LRU flush the calling thread may own latches to
@@ -47,18 +48,22 @@ the calling thread is not allowed to own any latches on pages! */
 ulint
 buf_flush_batch(
 /*============*/
-				/* out: number of blocks for which the write
-				request was queued */
-	ulint	flush_type,	/* in: BUF_FLUSH_LRU or BUF_FLUSH_LIST; if
-				BUF_FLUSH_LIST, then the caller must not own
-				any latches on pages */
-	ulint	min_n,		/* in: wished minimum mumber of blocks flushed
-				(it is not guaranteed that the actual number
-				is that big, though) */
-	dulint	lsn_limit);	/* in the case BUF_FLUSH_LIST all blocks whose
-				oldest_modification is smaller than this
-				should be flushed (if their number does not
-				exceed min_n), otherwise ignored */
+					/* out: number of blocks for which the
+					write request was queued;
+					ULINT_UNDEFINED if there was a flush
+					of the same type already running */
+	ulint		flush_type,	/* in: BUF_FLUSH_LRU or
+					BUF_FLUSH_LIST; if BUF_FLUSH_LIST,
+					then the caller must not own any
+					latches on pages */
+	ulint		min_n,		/* in: wished minimum mumber of blocks
+					flushed (it is not guaranteed that the
+					actual number is that big, though) */
+	ib_ulonglong	lsn_limit);	/* in the case BUF_FLUSH_LIST all
+					blocks whose oldest_modification is
+					smaller than this should be flushed
+					(if their number does not exceed
+					min_n), otherwise ignored */
 /**********************************************************************
 Waits until a flush batch of the given type ends */
 
@@ -83,9 +88,9 @@ void
 buf_flush_recv_note_modification(
 /*=============================*/
 	buf_block_t*	block,		/* in: block which is modified */
-	dulint		start_lsn,	/* in: start lsn of the first mtr in a
+	ib_ulonglong	start_lsn,	/* in: start lsn of the first mtr in a
 					set of mtr's */
-	dulint		end_lsn);	/* in: end lsn of the last mtr in the
+	ib_ulonglong	end_lsn);	/* in: end lsn of the last mtr in the
 					set of mtr's */
 /************************************************************************
 Returns TRUE if the file page block is immediately suitable for replacement,

include/buf0flu.ic

@@ -45,21 +45,20 @@ buf_flush_note_modification(
 	ut_ad(mutex_own(&(buf_pool->mutex)));
 #endif /* UNIV_SYNC_DEBUG */
 
-	ut_ad(ut_dulint_cmp(mtr->start_lsn, ut_dulint_zero) != 0);
+	ut_ad(mtr->start_lsn != 0);
 	ut_ad(mtr->modifications);
-	ut_ad(ut_dulint_cmp(block->newest_modification, mtr->end_lsn) <= 0);
+	ut_ad(block->newest_modification <= mtr->end_lsn);
 
 	block->newest_modification = mtr->end_lsn;
 
-	if (ut_dulint_is_zero(block->oldest_modification)) {
+	if (!block->oldest_modification) {
 
 		block->oldest_modification = mtr->start_lsn;
-		ut_ad(!ut_dulint_is_zero(block->oldest_modification));
+		ut_ad(block->oldest_modification != 0);
 
 		buf_flush_insert_into_flush_list(block);
 	} else {
-		ut_ad(ut_dulint_cmp(block->oldest_modification,
-				    mtr->start_lsn) <= 0);
+		ut_ad(block->oldest_modification <= mtr->start_lsn);
 	}
 
 	++srv_buf_pool_write_requests;
@@ -72,9 +71,9 @@ void
 buf_flush_recv_note_modification(
 /*=============================*/
 	buf_block_t*	block,		/* in: block which is modified */
-	dulint		start_lsn,	/* in: start lsn of the first mtr in a
+	ib_ulonglong	start_lsn,	/* in: start lsn of the first mtr in a
 					set of mtr's */
-	dulint		end_lsn)	/* in: end lsn of the last mtr in the
+	ib_ulonglong	end_lsn)	/* in: end lsn of the last mtr in the
 					set of mtr's */
 {
 	ut_ad(block);
@@ -86,20 +85,19 @@ buf_flush_recv_note_modification(
 
 	mutex_enter(&(buf_pool->mutex));
 
-	ut_ad(ut_dulint_cmp(block->newest_modification, end_lsn) <= 0);
+	ut_ad(block->newest_modification <= end_lsn);
 
 	block->newest_modification = end_lsn;
 
-	if (ut_dulint_is_zero(block->oldest_modification)) {
+	if (!block->oldest_modification) {
 
 		block->oldest_modification = start_lsn;
 
-		ut_ad(!ut_dulint_is_zero(block->oldest_modification));
+		ut_ad(block->oldest_modification != 0);
 
 		buf_flush_insert_sorted_into_flush_list(block);
 	} else {
-		ut_ad(ut_dulint_cmp(block->oldest_modification,
-				    start_lsn) <= 0);
+		ut_ad(block->oldest_modification <= start_lsn);
 	}
 
 	mutex_exit(&(buf_pool->mutex));

include/fil0fil.h

@@ -286,8 +286,9 @@ ulint
 fil_write_flushed_lsn_to_data_files(
 /*================================*/
 					/* out: DB_SUCCESS or error number */
-	dulint	lsn,		/* in: lsn to write */
-	ulint	arch_log_no);	/* in: latest archived log file number */
+	ib_ulonglong	lsn,		/* in: lsn to write */
+	ulint		arch_log_no);	/* in: latest archived log
+					file number */
 /***********************************************************************
 Reads the flushed lsn and arch no fields from a data file at database
 startup. */
@@ -296,14 +297,15 @@ void
 fil_read_flushed_lsn_and_arch_log_no(
 /*=================================*/
 	os_file_t	data_file,		/* in: open data file */
-	ibool	one_read_already,	/* in: TRUE if min and max parameters
-					below already contain sensible data */
+	ibool		one_read_already,	/* in: TRUE if min and max
+						parameters below already
+						contain sensible data */
 #ifdef UNIV_LOG_ARCHIVE
 	ulint*		min_arch_log_no,	/* in/out: */
 	ulint*		max_arch_log_no,	/* in/out: */
 #endif /* UNIV_LOG_ARCHIVE */
-	dulint*	min_flushed_lsn,	/* in/out: */
-	dulint*	max_flushed_lsn);	/* in/out: */
+	ib_ulonglong*	min_flushed_lsn,	/* in/out: */
+	ib_ulonglong*	max_flushed_lsn);	/* in/out: */
 /***********************************************************************
 Increments the count of pending insert buffer page merges, if space is not
 being deleted. */
@@ -455,7 +457,7 @@ fil_reset_too_high_lsns(
 					/* out: TRUE if success */
 	const char*	name,		/* in: table name in the
 					databasename/tablename format */
-	dulint		current_lsn);	/* in: reset lsn's if the lsn stamped
+	ib_ulonglong	current_lsn);	/* in: reset lsn's if the lsn stamped
 					to FIL_PAGE_FILE_FLUSH_LSN in the
 					first page is too high */
 /************************************************************************

include/log0log.ic

@@ -17,10 +17,11 @@ consistent. */
 ibool
 log_check_log_recs(
 /*===============*/
-	byte*	buf,		/* in: pointer to the start of the log segment
-				in the log_sys->buf log buffer */
+	byte*		buf,		/* in: pointer to the start of
+					the log segment in the
+					log_sys->buf log buffer */
 	ulint		len,		/* in: segment length in bytes */
-	dulint	buf_start_lsn);	/* in: buffer start lsn */
+	ib_ulonglong	buf_start_lsn);	/* in: buffer start lsn */
 
 /****************************************************************
 Gets a log block flush bit. */
@@ -163,10 +164,9 @@ void
 log_block_set_checkpoint_no(
 /*========================*/
 	byte*		log_block,	/* in: log block */
-	dulint	no)		/* in: checkpoint no */
+	ib_ulonglong	no)		/* in: checkpoint no */
 {
-	mach_write_to_4(log_block + LOG_BLOCK_CHECKPOINT_NO,
-			ut_dulint_get_low(no));
+	mach_write_to_4(log_block + LOG_BLOCK_CHECKPOINT_NO, (ulint) no);
 }
 
 /****************************************************************
@@ -175,18 +175,11 @@ UNIV_INLINE
 ulint
 log_block_convert_lsn_to_no(
 /*========================*/
-			/* out: log block number, it is > 0 and <= 1G */
-	dulint	lsn)	/* in: lsn of a byte within the block */
+				/* out: log block number,
+				it is > 0 and <= 1G */
+	ib_ulonglong	lsn)	/* in: lsn of a byte within the block */
 {
-	ulint	no;
-
-	no = ut_dulint_get_low(lsn) / OS_FILE_LOG_BLOCK_SIZE;
-	no += (ut_dulint_get_high(lsn) % OS_FILE_LOG_BLOCK_SIZE)
-		* 2 * (0x80000000UL / OS_FILE_LOG_BLOCK_SIZE);
-
-	no = no & 0x3FFFFFFFUL;
-
-	return(no + 1);
+	return(((ulint) (lsn / OS_FILE_LOG_BLOCK_SIZE) & 0x3FFFFFFFUL) + 1);
 }
 
 /****************************************************************
@@ -251,7 +244,7 @@ void
 log_block_init(
 /*===========*/
 	byte*		log_block,	/* in: pointer to the log buffer */
-	dulint	lsn)		/* in: lsn within the log block */
+	ib_ulonglong	lsn)		/* in: lsn within the log block */
 {
 	ulint	no;
 
@@ -275,7 +268,7 @@ void
 log_block_init_in_old_format(
 /*=========================*/
 	byte*		log_block,	/* in: pointer to the log buffer */
-	dulint	lsn)		/* in: lsn within the log block */
+	ib_ulonglong	lsn)		/* in: lsn within the log block */
 {
 	ulint	no;
 
@@ -296,19 +289,19 @@ log_block_init_in_old_format(
 Writes to the log the string given. The log must be released with
 log_release. */
 UNIV_INLINE
-dulint
+ib_ulonglong
 log_reserve_and_write_fast(
 /*=======================*/
-			/* out: end lsn of the log record, ut_dulint_zero if
-			did not succeed */
+				/* out: end lsn of the log record,
+				zero if did not succeed */
 	byte*		str,	/* in: string */
 	ulint		len,	/* in: string length */
-	dulint*	start_lsn,/* out: start lsn of the log record */
+	ib_ulonglong*	start_lsn,/* out: start lsn of the log record */
 	ibool*		success)/* out: TRUE if success */
 {
 	log_t*		log	= log_sys;
 	ulint		data_len;
-	dulint	lsn;
+	ib_ulonglong	lsn;
 
 	*success = TRUE;
 
@@ -325,7 +318,7 @@ log_reserve_and_write_fast(
 
 		mutex_exit(&(log->mutex));
 
-		return(ut_dulint_zero);
+		return(0);
 	}
 
 	*start_lsn = log->lsn;
@@ -343,9 +336,7 @@ log_reserve_and_write_fast(
 
 	ut_ad(log->buf_free <= log->buf_size);
 
-	lsn = ut_dulint_add(log->lsn, len);
-
-	log->lsn = lsn;
+	lsn = log->lsn += len;
 
 #ifdef UNIV_LOG_DEBUG
 	log_check_log_recs(log->buf + log->old_buf_free,
@@ -367,12 +358,12 @@ log_release(void)
 /****************************************************************
 Gets the current lsn. */
 UNIV_INLINE
-dulint
+ib_ulonglong
 log_get_lsn(void)
 /*=============*/
 			/* out: current lsn */
 {
-	dulint	lsn;
+	ib_ulonglong	lsn;
 
 	mutex_enter(&(log_sys->mutex));
 

include/log0recv.h

@@ -26,14 +26,17 @@ ibool
 recv_read_cp_info_for_backup(
 /*=========================*/
 				/* out: TRUE if success */
-	byte*	hdr,	/* in: buffer containing the log group header */
-	dulint*	lsn,	/* out: checkpoint lsn */
+	byte*		hdr,	/* in: buffer containing the log group
+				header */
+	ib_ulonglong*	lsn,	/* out: checkpoint lsn */
 	ulint*		offset,	/* out: checkpoint offset in the log group */
-	ulint*	fsp_limit,/* out: fsp limit of space 0, 1000000000 if the
-			database is running with < version 3.23.50 of InnoDB */
-	dulint*	cp_no,	/* out: checkpoint number */
-	dulint*	first_header_lsn);
-			/* out: lsn of of the start of the first log file */
+	ulint*		fsp_limit,/* out: fsp limit of space 0,
+				1000000000 if the database is running
+				with < version 3.23.50 of InnoDB */
+	ib_ulonglong*	cp_no,	/* out: checkpoint number */
+	ib_ulonglong*	first_header_lsn);
+				/* out: lsn of of the start of the
+				first log file */
 /***********************************************************************
 Scans the log segment and n_bytes_scanned is set to the length of valid
 log scanned. */
@@ -43,7 +46,7 @@ recv_scan_log_seg_for_backup(
 /*=========================*/
 	byte*		buf,		/* in: buffer containing log data */
 	ulint		buf_len,	/* in: data length in that buffer */
-	dulint*		scanned_lsn,	/* in/out: lsn of buffer start,
+	ib_ulonglong*	scanned_lsn,	/* in/out: lsn of buffer start,
 					we return scanned lsn */
 	ulint*		scanned_checkpoint_no,
 					/* in/out: 4 lowest bytes of the
@@ -92,9 +95,12 @@ recv_recovery_from_checkpoint_start(
 /*================================*/
 					/* out: error code or DB_SUCCESS */
 	ulint		type,		/* in: LOG_CHECKPOINT or LOG_ARCHIVE */
-	dulint	limit_lsn,	/* in: recover up to this lsn if possible */
-	dulint	min_flushed_lsn,/* in: min flushed lsn from data files */
-	dulint	max_flushed_lsn);/* in: max flushed lsn from data files */
+	ib_ulonglong	limit_lsn,	/* in: recover up to this lsn
+					if possible */
+	ib_ulonglong	min_flushed_lsn,/* in: min flushed lsn from
+					data files */
+	ib_ulonglong	max_flushed_lsn);/* in: max flushed lsn from
+					 data files */
 /************************************************************
 Completes recovery from a checkpoint. */
 
@@ -108,40 +114,48 @@ and hashes the log records if new data found. */
 ibool
 recv_scan_log_recs(
 /*===============*/
-				/* out: TRUE if limit_lsn has been reached, or
-				not able to scan any more in this log group */
-	ibool	apply_automatically,/* in: TRUE if we want this function to
-				apply log records automatically when the
-				hash table becomes full; in the hot backup tool
+					/* out: TRUE if limit_lsn has been
+					reached, or not able to scan any more
+					in this log group */
+	ibool		apply_automatically,/* in: TRUE if we want this
+					function to apply log records
+					automatically when the hash table
+					becomes full; in the hot backup tool
 					the tool does the applying, not this
 					function */
-	ulint	available_memory,/* in: we let the hash table of recs to grow
-				to this size, at the maximum */
-	ibool	store_to_hash,	/* in: TRUE if the records should be stored
-				to the hash table; this is set to FALSE if just
-				debug checking is needed */
-	byte*	buf,		/* in: buffer containing a log segment or
-				garbage */
+	ulint		available_memory,/* in: we let the hash table of recs
+					to grow to this size, at the maximum */
+	ibool		store_to_hash,	/* in: TRUE if the records should be
+					stored to the hash table; this is set
+					to FALSE if just debug checking is
+					needed */
+	byte*		buf,		/* in: buffer containing a log segment
+					or garbage */
 	ulint		len,		/* in: buffer length */
-	dulint	start_lsn,	/* in: buffer start lsn */
-	dulint*	contiguous_lsn,	/* in/out: it is known that all log groups
-				contain contiguous log data up to this lsn */
-	dulint*	group_scanned_lsn);/* out: scanning succeeded up to this lsn */
+	ib_ulonglong	start_lsn,	/* in: buffer start lsn */
+	ib_ulonglong*	contiguous_lsn,	/* in/out: it is known that all log
+					groups contain contiguous log data up
+					to this lsn */
+	ib_ulonglong*	group_scanned_lsn);/* out: scanning succeeded up to
+					this lsn */
 /**********************************************************
 Resets the logs. The contents of log files will be lost! */
 
 void
 recv_reset_logs(
 /*============*/
-	dulint	lsn,		/* in: reset to this lsn rounded up to
-				be divisible by OS_FILE_LOG_BLOCK_SIZE,
-				after which we add LOG_BLOCK_HDR_SIZE */
+	ib_ulonglong	lsn,		/* in: reset to this lsn
+					rounded up to be divisible by
+					OS_FILE_LOG_BLOCK_SIZE, after
+					which we add
+					LOG_BLOCK_HDR_SIZE */
 #ifdef UNIV_LOG_ARCHIVE
 	ulint		arch_log_no,	/* in: next archived log file number */
 #endif /* UNIV_LOG_ARCHIVE */
-	ibool	new_logs_created);/* in: TRUE if resetting logs is done
-				at the log creation; FALSE if it is done
-				after archive recovery */
+	ibool		new_logs_created);/* in: TRUE if resetting logs
+					is done at the log creation;
+					FALSE if it is done after
+					archive recovery */
 #ifdef UNIV_HOTBACKUP
 /**********************************************************
 Creates new log files after a backup has been restored. */
@@ -152,7 +166,7 @@ recv_reset_log_files_for_backup(
 	const char*	log_dir,	/* in: log file directory path */
 	ulint		n_log_files,	/* in: number of log files */
 	ulint		log_file_size,	/* in: log file size */
-	dulint		lsn);		/* in: new start lsn, must be
+	ib_ulonglong	lsn);		/* in: new start lsn, must be
 					divisible by OS_FILE_LOG_BLOCK_SIZE */
 #endif /* UNIV_HOTBACKUP */
 /************************************************************
@@ -200,13 +214,15 @@ ulint
 recv_recovery_from_archive_start(
 /*=============================*/
 					/* out: error code or DB_SUCCESS */
-	dulint	min_flushed_lsn,/* in: min flushed lsn field from the
+	ib_ulonglong	min_flushed_lsn,/* in: min flushed lsn field from the
 					data files */
-	dulint	limit_lsn,	/* in: recover up to this lsn if possible */
-	ulint	first_log_no);	/* in: number of the first archived log file
-				to use in the recovery; the file will be
-				searched from INNOBASE_LOG_ARCH_DIR specified
-				in server config file */
+	ib_ulonglong	limit_lsn,	/* in: recover up to this lsn if
+					possible */
+	ulint		first_log_no);	/* in: number of the first archived
+					log file to use in the recovery; the
+					file will be searched from
+					INNOBASE_LOG_ARCH_DIR specified in
+					server config file */
 /************************************************************
 Completes recovery from archive. */
 
@@ -231,11 +247,11 @@ struct recv_struct{
 	ulint		len;	/* log record body length in bytes */
 	recv_data_t*	data;	/* chain of blocks containing the log record
 				body */
-	dulint		start_lsn;/* start lsn of the log segment written by
+	ib_ulonglong	start_lsn;/* start lsn of the log segment written by
 				the mtr which generated this log record: NOTE
 				that this is not necessarily the start lsn of
 				this log record */
-	dulint		end_lsn;/* end lsn of the log segment written by
+	ib_ulonglong	end_lsn;/* end lsn of the log segment written by
 				the mtr which generated this log record: NOTE
 				that this is not necessarily the end lsn of
 				this log record */
@@ -269,7 +285,7 @@ struct recv_sys_struct{
 	ibool		apply_batch_on;
 				/* this is TRUE when a log rec application
 				batch is running */
-	dulint		lsn;	/* log sequence number */
+	ib_ulonglong	lsn;	/* log sequence number */
 	ulint		last_log_buf_size;
 				/* size of the log buffer when the database
 				last time wrote to the log */
@@ -281,12 +297,12 @@ struct recv_sys_struct{
 				preceding buffer */
 	byte*		buf;	/* buffer for parsing log records */
 	ulint		len;	/* amount of data in buf */
-	dulint		parse_start_lsn;
+	ib_ulonglong	parse_start_lsn;
 				/* this is the lsn from which we were able to
 				start parsing log records and adding them to
-				the hash table; ut_dulint_zero if a suitable
+				the hash table; zero if a suitable
 				start point not found yet */
-	dulint		scanned_lsn;
+	ib_ulonglong	scanned_lsn;
 				/* the log data has been scanned up to this
 				lsn */
 	ulint		scanned_checkpoint_no;
@@ -295,10 +311,10 @@ struct recv_sys_struct{
 	ulint		recovered_offset;
 				/* start offset of non-parsed log records in
 				buf */
-	dulint		recovered_lsn;
+	ib_ulonglong	recovered_lsn;
 				/* the log records have been parsed up to
 				this lsn */
-	dulint		limit_lsn;/* recovery should be made at most up to this
+	ib_ulonglong	limit_lsn;/* recovery should be made at most up to this
 				lsn */
 	ibool		found_corrupt_log;
 				/* this is set to TRUE if we during log

include/mach0data.h

@@ -179,6 +179,15 @@ mach_write_to_8(
 /*============*/
 	byte*	b,	/* in: pointer to 8 bytes where to store */
 	dulint	n);	/* in: dulint integer to be stored */
+/***********************************************************
+The following function is used to store data in 8 consecutive
+bytes. We store the most significant byte to the lowest address. */
+UNIV_INLINE
+void
+mach_write_ull(
+/*===========*/
+	byte*		b,	/* in: pointer to 8 bytes where to store */
+	ib_ulonglong	n);	/* in: 64-bit integer to be stored */
 /************************************************************
 The following function is used to fetch data from 8 consecutive
 bytes. The most significant byte is at the lowest address. */
@@ -188,6 +197,15 @@ mach_read_from_8(
 /*=============*/
 				/* out: dulint integer */
 	const byte*	b);	/* in: pointer to 8 bytes */
+/************************************************************
+The following function is used to fetch data from 8 consecutive
+bytes. The most significant byte is at the lowest address. */
+UNIV_INLINE
+ib_ulonglong
+mach_read_ull(
+/*==========*/
+				/* out: 64-bit integer */
+	const byte*	b);	/* in: pointer to 8 bytes */
 /*************************************************************
 Writes a dulint in a compressed form (5..9 bytes). */
 UNIV_INLINE

include/mach0data.ic

@@ -273,6 +273,22 @@ mach_write_to_8(
 	mach_write_to_4(b + 4, ut_dulint_get_low(n));
 }
 
+/***********************************************************
+The following function is used to store data in 8 consecutive
+bytes. We store the most significant byte to the lowest address. */
+UNIV_INLINE
+void
+mach_write_ull(
+/*===========*/
+	byte*		b,	/* in: pointer to 8 bytes where to store */
+	ib_ulonglong	n)	/* in: 64-bit integer to be stored */
+{
+	ut_ad(b);
+
+	mach_write_to_4(b, n >> 32);
+	mach_write_to_4(b + 4, n);
+}
+
 /************************************************************
 The following function is used to fetch data from 8 consecutive
 bytes. The most significant byte is at the lowest address. */
@@ -294,6 +310,24 @@ mach_read_from_8(
 	return(ut_dulint_create(high, low));
 }
 
+/************************************************************
+The following function is used to fetch data from 8 consecutive
+bytes. The most significant byte is at the lowest address. */
+UNIV_INLINE
+ib_ulonglong
+mach_read_ull(
+/*==========*/
+				/* out: 64-bit integer */
+	const byte*	b)	/* in: pointer to 8 bytes */
+{
+	ib_ulonglong	ull;
+
+	ull = ((ib_ulonglong) mach_read_from_4(b)) << 32;
+	ull |= (ib_ulonglong) mach_read_from_4(b + 4);
+
+	return(ull);
+}
+
 /***********************************************************
 The following function is used to store data in 7 consecutive
 bytes. We store the most significant byte to the lowest address. */

include/mtr0mtr.h

@@ -350,9 +350,9 @@ struct mtr_struct{
 				have been written to the mtr log */
 	ulint		log_mode; /* specifies which operations should be
 				logged; default value MTR_LOG_ALL */
-	dulint		start_lsn;/* start lsn of the possible log entry for
+	ib_ulonglong	start_lsn;/* start lsn of the possible log entry for
 				this mtr */
-	dulint		end_lsn;/* end lsn of the possible log entry for
+	ib_ulonglong	end_lsn;/* end lsn of the possible log entry for
 				this mtr */
 	ulint		magic_n;
 };

include/srv0start.h

@@ -78,8 +78,8 @@ int
 innobase_shutdown_for_mysql(void);
 /*=============================*/
 				/* out: DB_SUCCESS or error code */
-extern	dulint	srv_shutdown_lsn;
-extern	dulint	srv_start_lsn;
+extern	ib_ulonglong	srv_shutdown_lsn;
+extern	ib_ulonglong	srv_start_lsn;
 
 #ifdef __NETWARE__
 void set_panic_flag_for_netware(void);

include/trx0trx.h

@@ -446,7 +446,7 @@ struct trx_struct{
 					were modifications by the transaction;
 					in that case we must flush the log
 					in trx_commit_complete_for_mysql() */
-	dulint		commit_lsn;	/* lsn at the time of the commit */
+	ib_ulonglong	commit_lsn;	/* lsn at the time of the commit */
 	ibool		dict_operation;	/* TRUE if the trx is used to create
 					a table, create an index, or drop a
 					table.	This is a hint that the table

include/univ.i

@@ -202,8 +202,10 @@ typedef long int		lint;
 
 #ifdef __WIN__
 typedef __int64			ib_longlong;
+typedef unsigned __int64	ib_ulonglong;
 #else
 typedef longlong		ib_longlong;
+typedef ulonglong		ib_ulonglong;
 #endif
 
 #ifndef __WIN__
@@ -221,6 +223,9 @@ typedef longlong		ib_longlong;
 /* Maximum value for a ulint */
 #define ULINT_MAX		((ulint)(-2))
 
+/* Maximum value for ib_ulonglong */
+#define IB_ULONGLONG_MAX	((ib_ulonglong) (~0ULL))
+
 /* This 'ibool' type is used within Innobase. Remember that different included
 headers may define 'bool' differently. Do not assume that 'bool' is a ulint! */
 #define ibool			ulint

include/ut0byte.h

@@ -148,6 +148,26 @@ ut_dulint_align_up(
 	dulint	 n,		/* in: number to be rounded */
 	ulint	 align_no);	/* in: align by this number which must be a
 				power of 2 */
+/************************************************************
+Rounds a dulint downward to a multiple of a power of 2. */
+UNIV_INLINE
+ib_ulonglong
+ut_ulonglong_align_down(
+/*====================*/
+					/* out: rounded value */
+	ib_ulonglong	 n,		/* in: number to be rounded */
+	ulint		 align_no);	/* in: align by this number
+					which must be a power of 2 */
+/************************************************************
+Rounds ib_ulonglong upward to a multiple of a power of 2. */
+UNIV_INLINE
+ib_ulonglong
+ut_ulonglong_align_up(
+/*==================*/
+					/* out: rounded value */
+	ib_ulonglong	 n,		/* in: number to be rounded */
+	ulint		 align_no);	/* in: align by this number
+					which must be a power of 2 */
 /***********************************************************
 Increments a dulint variable by 1. */
 #define UT_DULINT_INC(D)\

include/ut0byte.ic

@@ -260,6 +260,42 @@ ut_dulint_align_up(
 	return(ut_dulint_align_down(ut_dulint_add(n, align_no - 1), align_no));
 }
 
+/************************************************************
+Rounds ib_ulonglong downward to a multiple of a power of 2. */
+UNIV_INLINE
+ib_ulonglong
+ut_ulonglong_align_down(
+/*====================*/
+					/* out: rounded value */
+	ib_ulonglong	 n,		/* in: number to be rounded */
+	ulint		 align_no)	/* in: align by this number
+					which must be a power of 2 */
+{
+	ut_ad(align_no > 0);
+	ut_ad(ut_is_2pow(align_no));
+
+	return(n & (ib_ulonglong) ~(align_no - 1));
+}
+
+/************************************************************
+Rounds ib_ulonglong upward to a multiple of a power of 2. */
+UNIV_INLINE
+ib_ulonglong
+ut_ulonglong_align_up(
+/*==================*/
+					/* out: rounded value */
+	ib_ulonglong	 n,		/* in: number to be rounded */
+	ulint		 align_no)	/* in: align by this number
+					which must be a power of 2 */
+{
+	ib_ulonglong	align_1 = (ib_ulonglong) align_no - 1;
+
+	ut_ad(align_no > 0);
+	ut_ad(ut_is_2pow(align_no));
+
+	return((n + align_1) & ~align_1);
+}
+
 /************************************************************
 The following function calculates the value of an integer n rounded
 to the least product of align_no which is >= n. align_no

row/row0mysql.c

@@ -2512,7 +2512,7 @@ row_import_tablespace_for_mysql(
 {
 	dict_table_t*	table;
 	ibool		success;
-	dulint		current_lsn;
+	ib_ulonglong	current_lsn;
 	ulint		err		= DB_SUCCESS;
 
 	ut_ad(trx->mysql_thread_id == os_thread_get_curr_id());

srv/srv0srv.c

@@ -172,7 +172,7 @@ ulint	srv_n_file_io_threads	= ULINT_MAX;
 #ifdef UNIV_LOG_ARCHIVE
 ibool		srv_log_archive_on	= FALSE;
 ibool		srv_archive_recovery	= 0;
-dulint	srv_archive_recovery_limit_lsn;
+ib_ulonglong	srv_archive_recovery_limit_lsn;
 #endif /* UNIV_LOG_ARCHIVE */
 
 ulint	srv_lock_wait_timeout	= 1024 * 1024 * 1024;
@@ -2017,8 +2017,8 @@ srv_error_monitor_thread(
 {
 	/* number of successive fatal timeouts observed */
 	ulint		fatal_cnt	= 0;
-	dulint	old_lsn;
-	dulint	new_lsn;
+	ib_ulonglong	old_lsn;
+	ib_ulonglong	new_lsn;
 
 	old_lsn = srv_start_lsn;
 
@@ -2034,18 +2034,15 @@ srv_error_monitor_thread(
 
 	new_lsn = log_get_lsn();
 
-	if (ut_dulint_cmp(new_lsn, old_lsn) < 0) {
+	if (new_lsn < old_lsn) {
 		ut_print_timestamp(stderr);
 		fprintf(stderr,
-			"  InnoDB: Error: old log sequence number %lu %lu"
+			"  InnoDB: Error: old log sequence number %llu"
 			" was greater\n"
-			"InnoDB: than the new log sequence number %lu %lu!\n"
+			"InnoDB: than the new log sequence number %llu!\n"
 			"InnoDB: Please submit a bug report"
 			" to http://bugs.mysql.com\n",
-			(ulong) ut_dulint_get_high(old_lsn),
-			(ulong) ut_dulint_get_low(old_lsn),
-			(ulong) ut_dulint_get_high(new_lsn),
-			(ulong) ut_dulint_get_low(new_lsn));
+			old_lsn, new_lsn);
 	}
 
 	old_lsn = new_lsn;
@@ -2265,7 +2262,7 @@ srv_master_thread(
 			buffer pool under the limit wished by the user */
 
 			n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, 100,
-							  ut_dulint_max);
+							  IB_ULONGLONG_MAX);
 
 			/* If we had to do the flush, it may have taken
 			even more than 1 second, and also, there may be more
@@ -2302,7 +2299,7 @@ srv_master_thread(
 	if (n_pend_ios < 3 && (n_ios - n_ios_very_old < 200)) {
 
 		srv_main_thread_op_info = "flushing buffer pool pages";
-		buf_flush_batch(BUF_FLUSH_LIST, 100, ut_dulint_max);
+		buf_flush_batch(BUF_FLUSH_LIST, 100, IB_ULONGLONG_MAX);
 
 		srv_main_thread_op_info = "flushing log";
 		log_buffer_flush_to_disk();
@@ -2353,14 +2350,14 @@ srv_master_thread(
 		the time it requires to flush 100 pages */
 
 		n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, 100,
-						  ut_dulint_max);
+						  IB_ULONGLONG_MAX);
 	} else {
 		/* Otherwise, we only flush a small number of pages so that
 		we do not unnecessarily use much disk i/o capacity from
 		other work */
 
 		n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, 10,
-						  ut_dulint_max);
+						  IB_ULONGLONG_MAX);
 	}
 
 	srv_main_thread_op_info = "making checkpoint";
@@ -2463,7 +2460,7 @@ srv_master_thread(
 
 	if (srv_fast_shutdown < 2) {
 		n_pages_flushed = buf_flush_batch(BUF_FLUSH_LIST, 100,
-						  ut_dulint_max);
+						  IB_ULONGLONG_MAX);
 	} else {
 		/* In the fastest shutdown we do not flush the buffer pool
 		to data files: we set n_pages_flushed to 0 artificially. */

srv/srv0start.c

@@ -57,9 +57,9 @@ Created 2/16/1996 Heikki Tuuri
 #include "que0que.h"
 
 /* Log sequence number immediately after startup */
-dulint		srv_start_lsn;
+ib_ulonglong	srv_start_lsn;
 /* Log sequence number at shutdown */
-dulint		srv_shutdown_lsn;
+ib_ulonglong	srv_shutdown_lsn;
 
 #ifdef HAVE_DARWIN_THREADS
 # include <sys/utsname.h>
@@ -693,14 +693,17 @@ open_or_create_data_files(
 	ibool*		create_new_db,	/* out: TRUE if new database should be
 					created */
 #ifdef UNIV_LOG_ARCHIVE
-	ulint*	min_arch_log_no,/* out: min of archived log numbers in data
-				files */
-	ulint*	max_arch_log_no,/* out: */
+	ulint*		min_arch_log_no,/* out: min of archived log
+					numbers in data files */
+	ulint*		max_arch_log_no,/* out: max of archived log
+					numbers in data files */
 #endif /* UNIV_LOG_ARCHIVE */
-	dulint*	min_flushed_lsn,/* out: min of flushed lsn values in data
-				files */
-	dulint*	max_flushed_lsn,/* out: */
-	ulint*	sum_of_new_sizes)/* out: sum of sizes of the new files added */
+	ib_ulonglong*	min_flushed_lsn,/* out: min of flushed lsn
+					values in data files */
+	ib_ulonglong*	max_flushed_lsn,/* out: max of flushed lsn
+					values in data files */
+	ulint*		sum_of_new_sizes)/* out: sum of sizes of the
+					new files added */
 {
 	ibool	ret;
 	ulint	i;
@@ -967,8 +970,8 @@ innobase_start_or_create_for_mysql(void)
 	ibool		log_file_created;
 	ibool		log_created	= FALSE;
 	ibool		log_opened	= FALSE;
-	dulint	min_flushed_lsn;
-	dulint	max_flushed_lsn;
+	ib_ulonglong	min_flushed_lsn;
+	ib_ulonglong	max_flushed_lsn;
 #ifdef UNIV_LOG_ARCHIVE
 	ulint		min_arch_log_no;
 	ulint		max_arch_log_no;
@@ -978,7 +981,8 @@ innobase_start_or_create_for_mysql(void)
 	ulint		tablespace_size_in_header;
 	ulint		err;
 	ulint		i;
-	ibool	srv_file_per_table_original_value  = srv_file_per_table;
+	ibool		srv_file_per_table_original_value
+		= srv_file_per_table;
 	mtr_t		mtr;
 #ifdef HAVE_DARWIN_THREADS
 # ifdef F_FULLFSYNC
@@ -1366,7 +1370,7 @@ innobase_start_or_create_for_mysql(void)
 	    && !srv_archive_recovery
 #endif /* UNIV_LOG_ARCHIVE */
 	    ) {
-		if (ut_dulint_cmp(max_flushed_lsn, min_flushed_lsn) != 0
+		if (max_flushed_lsn != min_flushed_lsn
 #ifdef UNIV_LOG_ARCHIVE
 		    || max_arch_log_no != min_arch_log_no
 #endif /* UNIV_LOG_ARCHIVE */
@@ -1381,8 +1385,7 @@ innobase_start_or_create_for_mysql(void)
 			return(DB_ERROR);
 		}
 
-		if (ut_dulint_cmp(max_flushed_lsn, ut_dulint_create(0, 1000))
-		    < 0) {
+		if (max_flushed_lsn < (ib_ulonglong) 1000) {
 			fprintf(stderr,
 				"InnoDB: Cannot initialize created"
 				" log files because\n"
@@ -1450,7 +1453,7 @@ innobase_start_or_create_for_mysql(void)
 		been shut down normally: this is the normal startup path */
 
 		err = recv_recovery_from_checkpoint_start(LOG_CHECKPOINT,
-							  ut_dulint_max,
+							  IB_ULONGLONG_MAX,
 							  min_flushed_lsn,
 							  max_flushed_lsn);
 		if (err != DB_SUCCESS) {
@@ -1676,9 +1679,8 @@ innobase_start_or_create_for_mysql(void)
 	if (srv_print_verbose_log) {
 		ut_print_timestamp(stderr);
 		fprintf(stderr,
-			"  InnoDB: Started; log sequence number %lu %lu\n",
-			(ulong) ut_dulint_get_high(srv_start_lsn),
-			(ulong) ut_dulint_get_low(srv_start_lsn));
+			"  InnoDB: Started; log sequence number %llu\n",
+			srv_start_lsn);
 	}
 
 	if (srv_force_recovery > 0) {
@@ -1938,9 +1940,8 @@ innobase_shutdown_for_mysql(void)
 		ut_print_timestamp(stderr);
 		fprintf(stderr,
 			"  InnoDB: Shutdown completed;"
-			" log sequence number %lu %lu\n",
-			(ulong) ut_dulint_get_high(srv_shutdown_lsn),
-			(ulong) ut_dulint_get_low(srv_shutdown_lsn));
+			" log sequence number %llu\n",
+			srv_shutdown_lsn);
 	}
 
 	return((int) DB_SUCCESS);

trx/trx0sys.c

@@ -149,7 +149,7 @@ trx_sys_mark_upgraded_to_multiple_tablespaces(void)
 	mtr_commit(&mtr);
 
 	/* Flush the modified pages to disk and make a checkpoint */
-	log_make_checkpoint_at(ut_dulint_max, TRUE);
+	log_make_checkpoint_at(IB_ULONGLONG_MAX, TRUE);
 
 	trx_sys_multiple_tablespace_format = TRUE;
 }
@@ -322,7 +322,7 @@ trx_sys_create_doublewrite_buf(void)
 		mtr_commit(&mtr);
 
 		/* Flush the modified pages to disk and make a checkpoint */
-		log_make_checkpoint_at(ut_dulint_max, TRUE);
+		log_make_checkpoint_at(IB_ULONGLONG_MAX, TRUE);
 
 		fprintf(stderr, "InnoDB: Doublewrite buffer created\n");
 

trx/trx0trx.c

@@ -743,7 +743,7 @@ trx_commit_off_kernel(
 	trx_t*	trx)	/* in: transaction */
 {
 	page_t*		update_hdr_page;
-	dulint		lsn;
+	ib_ulonglong	lsn;
 	trx_rseg_t*	rseg;
 	trx_undo_t*	undo;
 	ibool		must_flush_log	= FALSE;
@@ -1621,7 +1621,7 @@ trx_commit_complete_for_mysql(
 			/* out: 0 or error number */
 	trx_t*	trx)	/* in: trx handle */
 {
-	dulint	lsn	= trx->commit_lsn;
+	ib_ulonglong	lsn	= trx->commit_lsn;
 
 	ut_a(trx);
 
@@ -1799,7 +1799,7 @@ trx_prepare_off_kernel(
 	page_t*		update_hdr_page;
 	trx_rseg_t*	rseg;
 	ibool		must_flush_log	= FALSE;
-	dulint		lsn;
+	ib_ulonglong	lsn;
 	mtr_t		mtr;
 
 #ifdef UNIV_SYNC_DEBUG