MDEV-11614: Syslog messages: "InnoDB: Log sequence number

at the start 759654123 and the end 0 do not match."

For page compressed and encrypted tables log sequence
number at end is not stored, thus disable this message
for them.

storage/innobase/buf/buf0buf.cc

@@ -2,7 +2,7 @@
 
 Copyright (c) 1995, 2016, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2008, Google Inc.
-Copyright (c) 2013, 2016, MariaDB Corporation. All Rights Reserved.
+Copyright (c) 2013, 2017, MariaDB Corporation. All Rights Reserved.
 
 Portions of this file contain modifications contributed and copyrighted by
 Google, Inc. Those modifications are gratefully acknowledged and are described
@@ -642,8 +642,12 @@ buf_page_is_corrupted(
 	ulint		checksum_field2;
 	ulint 		space_id = mach_read_from_4(
 		read_buf + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID);
+	ulint page_type = mach_read_from_4(
+		read_buf + FIL_PAGE_TYPE);
+	bool no_checksum = (page_type == FIL_PAGE_PAGE_COMPRESSED ||
+		page_type == FIL_PAGE_PAGE_COMPRESSED_ENCRYPTED);
 	fil_space_crypt_t* crypt_data = fil_space_get_crypt_data(space_id);
-	bool page_encrypted = false;
+
 
 	/* Page is encrypted if encryption information is found from
 	tablespace and page contains used key_version. This is true
@@ -651,10 +655,15 @@ buf_page_is_corrupted(
 	if (crypt_data &&
 	    crypt_data->type != CRYPT_SCHEME_UNENCRYPTED &&
 	    fil_page_is_encrypted(read_buf)) {
-		page_encrypted = true;
+		no_checksum = true;
+	}
+
+	/* Return early if there is no checksum or END_LSN */
+	if (no_checksum) {
+		return (FALSE);
 	}
 
-	if (!page_encrypted && !zip_size
+	if (!no_checksum && !zip_size
 	    && memcmp(read_buf + FIL_PAGE_LSN + 4,
 		      read_buf + UNIV_PAGE_SIZE
 		      - FIL_PAGE_END_LSN_OLD_CHKSUM + 4, 4)) {
@@ -713,10 +722,6 @@ buf_page_is_corrupted(
 		return(!page_zip_verify_checksum(read_buf, zip_size));
 	}
 
-	if (page_encrypted) {
-		return (FALSE);
-	}
-
 	checksum_field1 = mach_read_from_4(
 		read_buf + FIL_PAGE_SPACE_OR_CHKSUM);
 

storage/xtradb/buf/buf0buf.cc

@@ -2,7 +2,7 @@
 
 Copyright (c) 1995, 2016, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2008, Google Inc.
-Copyright (c) 2013, 2016, MariaDB Corporation. All Rights Reserved.
+Copyright (c) 2013, 2017, MariaDB Corporation. All Rights Reserved.
 
 Portions of this file contain modifications contributed and copyrighted by
 Google, Inc. Those modifications are gratefully acknowledged and are described
@@ -707,8 +707,12 @@ buf_page_is_corrupted(
 	ulint		checksum_field2;
 	ulint 		space_id = mach_read_from_4(
 		read_buf + FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID);
+	ulint page_type = mach_read_from_4(
+		read_buf + FIL_PAGE_TYPE);
+	bool no_checksum = (page_type == FIL_PAGE_PAGE_COMPRESSED ||
+		page_type == FIL_PAGE_PAGE_COMPRESSED_ENCRYPTED);
 	fil_space_crypt_t* crypt_data = fil_space_get_crypt_data(space_id);
-	bool page_encrypted = false;
+
 
 	/* Page is encrypted if encryption information is found from
 	tablespace and page contains used key_version. This is true
@@ -716,10 +720,15 @@ buf_page_is_corrupted(
 	if (crypt_data &&
 	    crypt_data->type != CRYPT_SCHEME_UNENCRYPTED &&
 	    fil_page_is_encrypted(read_buf)) {
-		page_encrypted = true;
+		no_checksum = true;
+	}
+
+	/* Return early if there is no checksum or END_LSN */
+	if (no_checksum) {
+		return (FALSE);
 	}
 
-	if (!page_encrypted && !zip_size
+	if (!no_checksum && !zip_size
 	    && memcmp(read_buf + FIL_PAGE_LSN + 4,
 		      read_buf + UNIV_PAGE_SIZE
 		      - FIL_PAGE_END_LSN_OLD_CHKSUM + 4, 4)) {
@@ -778,10 +787,6 @@ buf_page_is_corrupted(
 		return(!page_zip_verify_checksum(read_buf, zip_size));
 	}
 
-	if (page_encrypted) {
-		return (FALSE);
-	}
-
 	checksum_field1 = mach_read_from_4(
 		read_buf + FIL_PAGE_SPACE_OR_CHKSUM);