MDEV-6246: Merge 10.0.10-FusionIO to 10.1.

cmake/lz4.cmake

+# Copyright (C) 2014, SkySQL Ab. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+MACRO (MYSQL_CHECK_LZ4)
+
+CHECK_INCLUDE_FILES(lz4.h HAVE_LZ4_H)
+CHECK_LIBRARY_EXISTS(lz4 LZ4_compress_limitedOutput "" HAVE_LZ4_SHARED_LIB)
+
+IF (HAVE_LZ4_SHARED_LIB AND HAVE_LZ4_H)
+  ADD_DEFINITIONS(-DHAVE_LZ4=1)
+  LINK_LIBRARIES(lz4) 
+ENDIF()
+ENDMACRO()
+
+MACRO (MYSQL_CHECK_LZ4_STATIC)
+ 
+ CHECK_INCLUDE_FILES(lz4.h HAVE_LZ4_H)
+ CHECK_LIBRARY_EXISTS(liblz4.a LZ4_compress_limitedOutput "" HAVE_LZ4_LIB)
+
+ IF(HAVE_LZ4_LIB AND HAVE_LZ4_H)
+   ADD_DEFINITIONS(-DHAVE_LZ4=1)
+   LINK_LIBRARIES(liblz4.a)
+ ENDIF()
+ENDMACRO()
\ No newline at end of file

cmake/lzo.cmake

+# Copyright (C) 2014, SkySQL Ab. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+MACRO (MYSQL_CHECK_LZO_STATIC)
+
+CHECK_INCLUDE_FILES(lzo/lzo1x.h HAVE_LZO_H)
+CHECK_LIBRARY_EXISTS(liblzo2.a lzo1x_1_compress "" HAVE_LZO_LIB)
+
+IF(HAVE_LZO_LIB AND HAVE_LZO_H)
+  ADD_DEFINITIONS(-DHAVE_LZO=1)
+  LINK_LIBRARIES(liblzo2.a)
+ENDIF()
+ENDMACRO()
+
+MACRO (MYSQL_CHECK_LZO)
+
+CHECK_INCLUDE_FILES(lzo/lzo1x.h HAVE_LZO_H)
+CHECK_LIBRARY_EXISTS(lzo2 lzo1x_1_compress "" HAVE_LZO_LIB)
+
+IF(HAVE_LZO_LIB AND HAVE_LZO_H)
+  ADD_DEFINITIONS(-DHAVE_LZO=1)
+  LINK_LIBRARIES(lzo2)
+ENDIF()
+ENDMACRO()

extra/CMakeLists.txt

@@ -72,10 +72,24 @@ IF(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
 ENDIF()
 ENDIF()
 
+IF(WITH_INNOBASE_STORAGE_ENGINE)
+  # Add path to the InnoDB headers
+  INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/storage/innobase/include)
+  # We use the InnoDB code directly in case the code changes.
+  ADD_DEFINITIONS("-DUNIV_INNOCHECKSUM")
+  SET(INNOBASE_SOURCES
+      ../storage/innobase/buf/buf0checksum.cc
+      ../storage/innobase/ut/ut0crc32.cc
+      ../storage/innobase/ut/ut0ut.cc
+     )
+  MYSQL_ADD_EXECUTABLE(innochecksum innochecksum.cc ${INNOBASE_SOURCES})
+  TARGET_LINK_LIBRARIES(innochecksum mysys mysys_ssl)
+ENDIF()
+
 MYSQL_ADD_EXECUTABLE(replace replace.c COMPONENT Server)
 TARGET_LINK_LIBRARIES(replace mysys)
+
 IF(UNIX)
-  MYSQL_ADD_EXECUTABLE(innochecksum innochecksum.c)
 
   MYSQL_ADD_EXECUTABLE(resolve_stack_dump resolve_stack_dump.c)
   TARGET_LINK_LIBRARIES(resolve_stack_dump mysys)

extra/innochecksum.c

-/*
-   Copyright (c) 2005, 2011, Oracle and/or its affiliates
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; version 2 of the License.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
-*/
-
-/*
-  InnoDB offline file checksum utility.  85% of the code in this file
-  was taken wholesale fron the InnoDB codebase.
-
-  The final 15% was originally written by Mark Smith of Danga
-  Interactive, Inc. <junior@danga.com>
-
-  Published with a permission.
-*/
-
-#include <my_global.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-/* all of these ripped from InnoDB code from MySQL 4.0.22 */
-#define UT_HASH_RANDOM_MASK     1463735687
-#define UT_HASH_RANDOM_MASK2    1653893711
-#define FIL_PAGE_LSN          16 
-#define FIL_PAGE_FILE_FLUSH_LSN 26
-#define FIL_PAGE_OFFSET     4
-#define FIL_PAGE_DATA       38
-#define FIL_PAGE_END_LSN_OLD_CHKSUM 8
-#define FIL_PAGE_SPACE_OR_CHKSUM 0
-#define UNIV_PAGE_SIZE          (2 * 8192)
-
-/* command line argument to do page checks (that's it) */
-/* another argument to specify page ranges... seek to right spot and go from there */
-
-typedef unsigned long int ulint;
-
-/* innodb function in name; modified slightly to not have the ASM version (lots of #ifs that didn't apply) */
-ulint mach_read_from_4(uchar *b)
-{
-  return( ((ulint)(b[0]) << 24)
-          + ((ulint)(b[1]) << 16)
-          + ((ulint)(b[2]) << 8)
-          + (ulint)(b[3])
-          );
-}
-
-ulint
-ut_fold_ulint_pair(
-/*===============*/
-            /* out: folded value */
-    ulint   n1, /* in: ulint */
-    ulint   n2) /* in: ulint */
-{
-    return(((((n1 ^ n2 ^ UT_HASH_RANDOM_MASK2) << 8) + n1)
-                        ^ UT_HASH_RANDOM_MASK) + n2);
-}
-
-ulint
-ut_fold_binary(
-/*===========*/
-            /* out: folded value */
-    uchar*   str,    /* in: string of bytes */
-    ulint   len)    /* in: length */
-{
-    ulint   i;
-    ulint   fold= 0;
-
-    for (i= 0; i < len; i++)
-    {
-      fold= ut_fold_ulint_pair(fold, (ulint)(*str));
-
-      str++;
-    }
-
-    return(fold);
-}
-
-ulint
-buf_calc_page_new_checksum(
-/*=======================*/
-               /* out: checksum */
-    uchar*    page) /* in: buffer page */
-{
-    ulint checksum;
-
-    /* Since the fields FIL_PAGE_FILE_FLUSH_LSN and ..._ARCH_LOG_NO
-    are written outside the buffer pool to the first pages of data
-    files, we have to skip them in the page checksum calculation.
-    We must also skip the field FIL_PAGE_SPACE_OR_CHKSUM where the
-    checksum is stored, and also the last 8 bytes of page because
-    there we store the old formula checksum. */
-
-    checksum= ut_fold_binary(page + FIL_PAGE_OFFSET,
-                             FIL_PAGE_FILE_FLUSH_LSN - FIL_PAGE_OFFSET)
-            + ut_fold_binary(page + FIL_PAGE_DATA,
-                             UNIV_PAGE_SIZE - FIL_PAGE_DATA
-                             - FIL_PAGE_END_LSN_OLD_CHKSUM);
-    checksum= checksum & 0xFFFFFFFF;
-
-    return(checksum);
-}
-
-ulint
-buf_calc_page_old_checksum(
-/*=======================*/
-               /* out: checksum */
-    uchar*    page) /* in: buffer page */
-{
-    ulint checksum;
-
-    checksum= ut_fold_binary(page, FIL_PAGE_FILE_FLUSH_LSN);
-
-    checksum= checksum & 0xFFFFFFFF;
-
-    return(checksum);
-}
-
-
-int main(int argc, char **argv)
-{
-  FILE *f;                     /* our input file */
-  uchar *p;                     /* storage of pages read */
-  int bytes;                   /* bytes read count */
-  ulint ct;                    /* current page number (0 based) */
-  int now;                     /* current time */
-  int lastt;                   /* last time */
-  ulint oldcsum, oldcsumfield, csum, csumfield, logseq, logseqfield; /* ulints for checksum storage */
-  struct stat st;              /* for stat, if you couldn't guess */
-  unsigned long long int size; /* size of file (has to be 64 bits) */
-  ulint pages;                 /* number of pages in file */
-  ulint start_page= 0, end_page= 0, use_end_page= 0; /* for starting and ending at certain pages */
-  off_t offset= 0;
-  int just_count= 0;          /* if true, just print page count */
-  int verbose= 0;
-  int debug= 0;
-  int c;
-  int fd;
-
-  /* remove arguments */
-  while ((c= getopt(argc, argv, "cvds:e:p:")) != -1)
-  {
-    switch (c)
-    {
-    case 'v':
-      verbose= 1;
-      break;
-    case 'c':
-      just_count= 1;
-      break;
-    case 's':
-      start_page= atoi(optarg);
-      break;
-    case 'e':
-      end_page= atoi(optarg);
-      use_end_page= 1;
-      break;
-    case 'p':
-      start_page= atoi(optarg);
-      end_page= atoi(optarg);
-      use_end_page= 1;
-      break;
-    case 'd':
-      debug= 1;
-      break;
-    case ':':
-      fprintf(stderr, "option -%c requires an argument\n", optopt);
-      return 1;
-      break;
-    case '?':
-      fprintf(stderr, "unrecognized option: -%c\n", optopt);
-      return 1;
-      break;
-    }
-  }
-
-  /* debug implies verbose... */
-  if (debug) verbose= 1;
-
-  /* make sure we have the right arguments */
-  if (optind >= argc)
-  {
-    printf("InnoDB offline file checksum utility.\n");
-    printf("usage: %s [-c] [-s <start page>] [-e <end page>] [-p <page>] [-v] [-d] <filename>\n", argv[0]);
-    printf("\t-c\tprint the count of pages in the file\n");
-    printf("\t-s n\tstart on this page number (0 based)\n");
-    printf("\t-e n\tend at this page number (0 based)\n");
-    printf("\t-p n\tcheck only this page (0 based)\n");
-    printf("\t-v\tverbose (prints progress every 5 seconds)\n");
-    printf("\t-d\tdebug mode (prints checksums for each page)\n");
-    return 1;
-  }
-
-  /* stat the file to get size and page count */
-  if (stat(argv[optind], &st))
-  {
-    perror("error statting file");
-    return 1;
-  }
-  size= st.st_size;
-  pages= size / UNIV_PAGE_SIZE;
-  if (just_count)
-  {
-    printf("%lu\n", pages);
-    return 0;
-  }
-  else if (verbose)
-  {
-    printf("file %s = %llu bytes (%lu pages)...\n", argv[optind], size, pages);
-    printf("checking pages in range %lu to %lu\n", start_page, use_end_page ? end_page : (pages - 1));
-  }
-
-  /* open the file for reading */
-  f= fopen(argv[optind], "r");
-  if (!f)
-  {
-    perror("error opening file");
-    return 1;
-  }
-
-  /* seek to the necessary position */
-  if (start_page)
-  {
-    fd= fileno(f);
-    if (!fd)
-    {
-      perror("unable to obtain file descriptor number");
-      return 1;
-    }
-
-    offset= (off_t)start_page * (off_t)UNIV_PAGE_SIZE;
-
-    if (lseek(fd, offset, SEEK_SET) != offset)
-    {
-      perror("unable to seek to necessary offset");
-      return 1;
-    }
-  }
-
-  /* allocate buffer for reading (so we don't realloc every time) */
-  p= (uchar *)malloc(UNIV_PAGE_SIZE);
-
-  /* main checksumming loop */
-  ct= start_page;
-  lastt= 0;
-  while (!feof(f))
-  {
-    bytes= fread(p, 1, UNIV_PAGE_SIZE, f);
-    if (!bytes && feof(f)) return 0;
-    if (bytes != UNIV_PAGE_SIZE)
-    {
-      fprintf(stderr, "bytes read (%d) doesn't match universal page size (%d)\n", bytes, UNIV_PAGE_SIZE);
-      return 1;
-    }
-
-    /* check the "stored log sequence numbers" */
-    logseq= mach_read_from_4(p + FIL_PAGE_LSN + 4);
-    logseqfield= mach_read_from_4(p + UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM + 4);
-    if (debug)
-      printf("page %lu: log sequence number: first = %lu; second = %lu\n", ct, logseq, logseqfield);
-    if (logseq != logseqfield)
-    {
-      fprintf(stderr, "page %lu invalid (fails log sequence number check)\n", ct);
-      return 1;
-    }
-
-    /* check old method of checksumming */
-    oldcsum= buf_calc_page_old_checksum(p);
-    oldcsumfield= mach_read_from_4(p + UNIV_PAGE_SIZE - FIL_PAGE_END_LSN_OLD_CHKSUM);
-    if (debug)
-      printf("page %lu: old style: calculated = %lu; recorded = %lu\n", ct, oldcsum, oldcsumfield);
-    if (oldcsumfield != mach_read_from_4(p + FIL_PAGE_LSN) && oldcsumfield != oldcsum)
-    {
-      fprintf(stderr, "page %lu invalid (fails old style checksum)\n", ct);
-      return 1;
-    }
-
-    /* now check the new method */
-    csum= buf_calc_page_new_checksum(p);
-    csumfield= mach_read_from_4(p + FIL_PAGE_SPACE_OR_CHKSUM);
-    if (debug)
-      printf("page %lu: new style: calculated = %lu; recorded = %lu\n", ct, csum, csumfield);
-    if (csumfield != 0 && csum != csumfield)
-    {
-      fprintf(stderr, "page %lu invalid (fails new style checksum)\n", ct);
-      return 1;
-    }
-
-    /* end if this was the last page we were supposed to check */
-    if (use_end_page && (ct >= end_page))
-      return 0;
-
-    /* do counter increase and progress printing */
-    ct++;
-    if (verbose)
-    {
-      if (ct % 64 == 0)
-      {
-        now= time(0);
-        if (!lastt) lastt= now;
-        if (now - lastt >= 1)
-        {
-          printf("page %lu okay: %.3f%% done\n", (ct - 1), (float) ct / pages * 100);
-          lastt= now;
-        }
-      }
-    }
-  }
-  return 0;
-}
-

mysql-test/disabled.def

@@ -20,3 +20,5 @@ mysql_embedded           : Bug#12561297 2011-05-14 Anitha Dependent on PB2 chang
 ssl_crl_clients_valid    : broken upstream
 ssl_crl                  : broken upstream
 ssl_crl_clrpath          : broken upstream
+innodb-wl5522-debug-zip  : broken upstream
+innodb_bug12902967       : broken upstream
\ No newline at end of file

mysql-test/suite/sys_vars/r/innodb_monitor_disable_basic.result

@@ -37,6 +37,8 @@ buffer_pool_bytes_dirty	disabled
 buffer_pool_pages_free	disabled
 buffer_pages_created	disabled
 buffer_pages_written	disabled
+buffer_index_pages_written	disabled
+buffer_non_index_pages_written	disabled
 buffer_pages_read	disabled
 buffer_data_reads	disabled
 buffer_data_written	disabled
@@ -160,6 +162,14 @@ compress_pages_compressed	disabled
 compress_pages_decompressed	disabled
 compression_pad_increments	disabled
 compression_pad_decrements	disabled
+compress_saved	disabled
+compress_trim_sect512	disabled
+compress_trim_sect4096	disabled
+compress_pages_page_compressed	disabled
+compress_page_compressed_trim_op	disabled
+compress_page_compressed_trim_op_saved	disabled
+compress_pages_page_decompressed	disabled
+compress_pages_page_compression_error	disabled
 index_page_splits	disabled
 index_page_merge_attempts	disabled
 index_page_merge_successful	disabled

mysql-test/suite/sys_vars/r/innodb_monitor_enable_basic.result

@@ -37,6 +37,8 @@ buffer_pool_bytes_dirty	disabled
 buffer_pool_pages_free	disabled
 buffer_pages_created	disabled
 buffer_pages_written	disabled
+buffer_index_pages_written	disabled
+buffer_non_index_pages_written	disabled
 buffer_pages_read	disabled
 buffer_data_reads	disabled
 buffer_data_written	disabled
@@ -160,6 +162,14 @@ compress_pages_compressed	disabled
 compress_pages_decompressed	disabled
 compression_pad_increments	disabled
 compression_pad_decrements	disabled
+compress_saved	disabled
+compress_trim_sect512	disabled
+compress_trim_sect4096	disabled
+compress_pages_page_compressed	disabled
+compress_page_compressed_trim_op	disabled
+compress_page_compressed_trim_op_saved	disabled
+compress_pages_page_decompressed	disabled
+compress_pages_page_compression_error	disabled
 index_page_splits	disabled
 index_page_merge_attempts	disabled
 index_page_merge_successful	disabled

mysql-test/suite/sys_vars/r/innodb_monitor_reset_all_basic.result

@@ -37,6 +37,8 @@ buffer_pool_bytes_dirty	disabled
 buffer_pool_pages_free	disabled
 buffer_pages_created	disabled
 buffer_pages_written	disabled
+buffer_index_pages_written	disabled
+buffer_non_index_pages_written	disabled
 buffer_pages_read	disabled
 buffer_data_reads	disabled
 buffer_data_written	disabled
@@ -160,6 +162,14 @@ compress_pages_compressed	disabled
 compress_pages_decompressed	disabled
 compression_pad_increments	disabled
 compression_pad_decrements	disabled
+compress_saved	disabled
+compress_trim_sect512	disabled
+compress_trim_sect4096	disabled
+compress_pages_page_compressed	disabled
+compress_page_compressed_trim_op	disabled
+compress_page_compressed_trim_op_saved	disabled
+compress_pages_page_decompressed	disabled
+compress_pages_page_compression_error	disabled
 index_page_splits	disabled
 index_page_merge_attempts	disabled
 index_page_merge_successful	disabled

mysql-test/suite/sys_vars/r/innodb_monitor_reset_basic.result

@@ -37,6 +37,8 @@ buffer_pool_bytes_dirty	disabled
 buffer_pool_pages_free	disabled
 buffer_pages_created	disabled
 buffer_pages_written	disabled
+buffer_index_pages_written	disabled
+buffer_non_index_pages_written	disabled
 buffer_pages_read	disabled
 buffer_data_reads	disabled
 buffer_data_written	disabled
@@ -160,6 +162,14 @@ compress_pages_compressed	disabled
 compress_pages_decompressed	disabled
 compression_pad_increments	disabled
 compression_pad_decrements	disabled
+compress_saved	disabled
+compress_trim_sect512	disabled
+compress_trim_sect4096	disabled
+compress_pages_page_compressed	disabled
+compress_page_compressed_trim_op	disabled
+compress_page_compressed_trim_op_saved	disabled
+compress_pages_page_decompressed	disabled
+compress_pages_page_compression_error	disabled
 index_page_splits	disabled
 index_page_merge_attempts	disabled
 index_page_merge_successful	disabled

mysql-test/suite/sys_vars/r/innodb_mtflush_threads_basic.result

+select @@global.innodb_mtflush_threads;
+@@global.innodb_mtflush_threads
+8
+select @@session.innodb_mtflush_threads;
+ERROR HY000: Variable 'innodb_mtflush_threads' is a GLOBAL variable
+show global variables like 'innodb_mtflush_threads';
+Variable_name	Value
+innodb_mtflush_threads	8
+show session variables like 'innodb_mtflush_threads';
+Variable_name	Value
+innodb_mtflush_threads	8
+select * from information_schema.global_variables where variable_name='innodb_mtflush_threads';
+VARIABLE_NAME	VARIABLE_VALUE
+INNODB_MTFLUSH_THREADS	8
+select * from information_schema.session_variables where variable_name='innodb_mtflush_threads';
+VARIABLE_NAME	VARIABLE_VALUE
+INNODB_MTFLUSH_THREADS	8
+set global innodb_mtflush_threads=1;
+ERROR HY000: Variable 'innodb_mtflush_threads' is a read only variable
+set session innodb_mtflush_threads=1;
+ERROR HY000: Variable 'innodb_mtflush_threads' is a read only variable

mysql-test/suite/sys_vars/r/innodb_use_lz4_basic.result

+select @@global.innodb_use_fallocate;
+@@global.innodb_use_fallocate
+0

mysql-test/suite/sys_vars/r/innodb_use_mtflush_basic.result

+select @@global.innodb_use_mtflush;
+@@global.innodb_use_mtflush
+0
+select @@session.innodb_use_mtflush;
+ERROR HY000: Variable 'innodb_use_mtflush' is a GLOBAL variable
+show global variables like 'innodb_use_mtflush';
+Variable_name	Value
+innodb_use_mtflush	OFF
+show session variables like 'innodb_use_mtflush';
+Variable_name	Value
+innodb_use_mtflush	OFF
+select * from information_schema.global_variables where variable_name='innodb_use_mtflush';
+VARIABLE_NAME	VARIABLE_VALUE
+INNODB_USE_MTFLUSH	OFF
+select * from information_schema.session_variables where variable_name='innodb_use_mtflush';
+VARIABLE_NAME	VARIABLE_VALUE
+INNODB_USE_MTFLUSH	OFF
+set global innodb_use_mtflush=1;
+ERROR HY000: Variable 'innodb_use_mtflush' is a read only variable
+set session innodb_use_mtflush=1;
+ERROR HY000: Variable 'innodb_use_mtflush' is a read only variable

mysql-test/suite/sys_vars/r/innodb_use_trim_basic.result

+SET @start_use_trim = @@global.innodb_use_trim;
+SELECT @start_use_trim;
+@start_use_trim
+0
+SELECT COUNT(@@GLOBAL.innodb_use_trim);
+COUNT(@@GLOBAL.innodb_use_trim)
+1
+1 Expected
+SET @@GLOBAL.innodb_use_trim=1;
+SELECT COUNT(@@GLOBAL.innodb_use_trim);
+COUNT(@@GLOBAL.innodb_use_trim)
+1
+1 Expected
+SELECT IF(@@GLOBAL.innodb_use_trim, 'ON', 'OFF') = VARIABLE_VALUE
+FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
+WHERE VARIABLE_NAME='innodb_use_trim';
+IF(@@GLOBAL.innodb_use_trim, 'ON', 'OFF') = VARIABLE_VALUE
+1
+1 Expected
+SELECT COUNT(@@GLOBAL.innodb_use_trim);
+COUNT(@@GLOBAL.innodb_use_trim)
+1
+1 Expected
+SELECT COUNT(VARIABLE_VALUE)
+FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
+WHERE VARIABLE_NAME='innodb_use_trim';
+COUNT(VARIABLE_VALUE)
+1
+1 Expected
+SET @@global.innodb_use_trim = @start_use_trim;
+SELECT @@global.innodb_use_trim;
+@@global.innodb_use_trim
+0

mysql-test/suite/sys_vars/t/innodb_mtflush_threads_basic.test

+--source include/have_innodb.inc
+# bool readonly
+
+#
+# show values;
+#
+select @@global.innodb_mtflush_threads;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+select @@session.innodb_mtflush_threads;
+show global variables like 'innodb_mtflush_threads';
+show session variables like 'innodb_mtflush_threads';
+select * from information_schema.global_variables where variable_name='innodb_mtflush_threads';
+select * from information_schema.session_variables where variable_name='innodb_mtflush_threads';
+
+#
+# show that it's read-only
+#
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set global innodb_mtflush_threads=1;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set session innodb_mtflush_threads=1;

mysql-test/suite/sys_vars/t/innodb_use_lz4_basic.test

+--source include/have_innodb.inc
+# bool readonly
+# not on all compilations
+select @@global.innodb_use_fallocate;
+

mysql-test/suite/sys_vars/t/innodb_use_mtflush_basic.test

+--source include/have_innodb.inc
+# bool readonly
+
+#
+# show values;
+#
+select @@global.innodb_use_mtflush;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+select @@session.innodb_use_mtflush;
+show global variables like 'innodb_use_mtflush';
+show session variables like 'innodb_use_mtflush';
+select * from information_schema.global_variables where variable_name='innodb_use_mtflush';
+select * from information_schema.session_variables where variable_name='innodb_use_mtflush';
+
+#
+# show that it's read-only
+#
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set global innodb_use_mtflush=1;
+--error ER_INCORRECT_GLOBAL_LOCAL_VAR
+set session innodb_use_mtflush=1;
+

mysql-test/suite/sys_vars/t/innodb_use_trim_basic.test

+--source include/have_innodb.inc
+
+SET @start_use_trim = @@global.innodb_use_trim;
+SELECT @start_use_trim;
+
+SELECT COUNT(@@GLOBAL.innodb_use_trim);
+--echo 1 Expected
+
+####################################################################
+#   Check if Value can set                                         #
+####################################################################
+
+SET @@GLOBAL.innodb_use_trim=1;
+
+SELECT COUNT(@@GLOBAL.innodb_use_trim);
+--echo 1 Expected
+
+#################################################################
+# Check if the value in GLOBAL Table matches value in variable  #
+#################################################################
+
+SELECT IF(@@GLOBAL.innodb_use_trim, 'ON', 'OFF') = VARIABLE_VALUE
+FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
+WHERE VARIABLE_NAME='innodb_use_trim';
+--echo 1 Expected
+
+SELECT COUNT(@@GLOBAL.innodb_use_trim);
+--echo 1 Expected
+
+SELECT COUNT(VARIABLE_VALUE)
+FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
+WHERE VARIABLE_NAME='innodb_use_trim';
+--echo 1 Expected
+
+SET @@global.innodb_use_trim = @start_use_trim;
+SELECT @@global.innodb_use_trim;
\ No newline at end of file

storage/innobase/CMakeLists.txt

@@ -18,6 +18,11 @@
 INCLUDE(CheckFunctionExists)
 INCLUDE(CheckCSourceCompiles)
 INCLUDE(CheckCSourceRuns)
+INCLUDE(lz4)
+INCLUDE(lzo)
+
+MYSQL_CHECK_LZ4()
+MYSQL_CHECK_LZO()
 
 # OS tests
 IF(UNIX)
@@ -284,6 +289,7 @@ SET(INNOBASE_SOURCES
 	buf/buf0flu.cc
 	buf/buf0lru.cc
 	buf/buf0rea.cc
+	buf/buf0mtflu.cc
 	data/data0data.cc
 	data/data0type.cc
 	dict/dict0boot.cc
@@ -297,6 +303,7 @@ SET(INNOBASE_SOURCES
 	eval/eval0eval.cc
 	eval/eval0proc.cc
 	fil/fil0fil.cc
+        fil/fil0pagecompress.cc
 	fsp/fsp0fsp.cc
 	fut/fut0fut.cc
 	fut/fut0lst.cc

storage/innobase/btr/btr0btr.cc

@@ -2031,7 +2031,7 @@ btr_parse_page_reorganize(
 	buf_block_t*	block,	/*!< in: page to be reorganized, or NULL */
 	mtr_t*		mtr)	/*!< in: mtr or NULL */
 {
-	ulint	level;
+	ulint	level = page_zip_level;
 
 	ut_ad(ptr && end_ptr);
 

storage/innobase/btr/btr0cur.cc

@@ -1860,9 +1860,14 @@ btr_cur_update_alloc_zip_func(
 				false=update-in-place */
 	mtr_t*		mtr)	/*!< in/out: mini-transaction */
 {
+
+	/* Have a local copy of the variables as these can change
+	dynamically. */
+	ulint	compression_level = page_zip_level;
 	const page_t*	page = page_cur_get_page(cursor);
 
 	ut_ad(page_zip == page_cur_get_page_zip(cursor));
+
 	ut_ad(page_zip);
 	ut_ad(!dict_index_is_ibuf(index));
 	ut_ad(rec_offs_validate(page_cur_get_rec(cursor), index, offsets));

storage/innobase/buf/buf0buf.cc

@@ -2,6 +2,7 @@
 
 Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2008, Google Inc.
+Copyright (c) 2013, SkySQL Ab. All Rights Reserved.
 
 Portions of this file contain modifications contributed and copyrighted by
 Google, Inc. Those modifications are gratefully acknowledged and are described
@@ -3350,6 +3351,7 @@ buf_page_init_low(
 	bpage->access_time = 0;
 	bpage->newest_modification = 0;
 	bpage->oldest_modification = 0;
+	bpage->write_size = 0;
 	HASH_INVALIDATE(bpage, hash);
 #if defined UNIV_DEBUG_FILE_ACCESSES || defined UNIV_DEBUG
 	bpage->file_page_was_freed = FALSE;

storage/innobase/buf/buf0dblwr.cc

 /*****************************************************************************
 
 Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, 2014, SkySQL Ab. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -381,7 +382,8 @@ buf_dblwr_init_or_load_pages(
 	buffer */
 
 	fil_io(OS_FILE_READ, true, TRX_SYS_SPACE, 0, TRX_SYS_PAGE_NO, 0,
-	       UNIV_PAGE_SIZE, read_buf, NULL);
+	       UNIV_PAGE_SIZE, read_buf, NULL, 0);
+
 	doublewrite = read_buf + TRX_SYS_DOUBLEWRITE;
 
 	if (mach_read_from_4(doublewrite + TRX_SYS_DOUBLEWRITE_MAGIC)
@@ -417,11 +419,12 @@ buf_dblwr_init_or_load_pages(
 
 	fil_io(OS_FILE_READ, true, TRX_SYS_SPACE, 0, block1, 0,
 	       TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE,
-	       buf, NULL);
+	       buf, NULL, 0);
+
 	fil_io(OS_FILE_READ, true, TRX_SYS_SPACE, 0, block2, 0,
 	       TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE,
 	       buf + TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE,
-	       NULL);
+	       NULL, 0);
 	/* Check if any of these pages is half-written in data files, in the
 	intended position */
 
@@ -448,7 +451,7 @@ buf_dblwr_init_or_load_pages(
 			}
 
 			fil_io(OS_FILE_WRITE, true, space_id, 0, source_page_no, 0,
-			       UNIV_PAGE_SIZE, page, NULL);
+				UNIV_PAGE_SIZE, page, NULL, 0);
 
 		} else if (load_corrupt_pages) {
 
@@ -510,7 +513,7 @@ buf_dblwr_process()
 			fil_io(OS_FILE_READ, true, space_id, zip_size,
 			       page_no, 0,
 			       zip_size ? zip_size : UNIV_PAGE_SIZE,
-			       read_buf, NULL);
+			       read_buf, NULL, 0);
 
 			/* Check if the page is corrupt */
 
@@ -562,7 +565,7 @@ buf_dblwr_process()
 				fil_io(OS_FILE_WRITE, true, space_id,
 				       zip_size, page_no, 0,
 				       zip_size ? zip_size : UNIV_PAGE_SIZE,
-				       page, NULL);
+				       page, NULL, 0);
 
 				ib_logf(IB_LOG_LEVEL_INFO,
 					"Recovered the page from"
@@ -778,7 +781,7 @@ buf_dblwr_write_block_to_datafile(
 		       buf_page_get_page_no(bpage), 0,
 		       buf_page_get_zip_size(bpage),
 		       (void*) bpage->zip.data,
-		       (void*) bpage);
+		       (void*) bpage, 0);
 
 		return;
 	}
@@ -790,8 +793,7 @@ buf_dblwr_write_block_to_datafile(
 
 	fil_io(flags, sync, buf_block_get_space(block), 0,
 	       buf_block_get_page_no(block), 0, UNIV_PAGE_SIZE,
-	       (void*) block->frame, (void*) block);
-
+		(void*) block->frame, (void*) block, (ulint *)&bpage->write_size);
 }
 
 /********************************************************************//**
@@ -885,7 +887,7 @@ try_again:
 
 	fil_io(OS_FILE_WRITE, true, TRX_SYS_SPACE, 0,
 	       buf_dblwr->block1, 0, len,
-	       (void*) write_buf, NULL);
+	       (void*) write_buf, NULL, 0);
 
 	if (buf_dblwr->first_free <= TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) {
 		/* No unwritten pages in the second block. */
@@ -901,7 +903,7 @@ try_again:
 
 	fil_io(OS_FILE_WRITE, true, TRX_SYS_SPACE, 0,
 	       buf_dblwr->block2, 0, len,
-	       (void*) write_buf, NULL);
+	       (void*) write_buf, NULL, 0);
 
 flush:
 	/* increment the doublewrite flushed pages counter */
@@ -1130,14 +1132,14 @@ retry:
 		fil_io(OS_FILE_WRITE, true, TRX_SYS_SPACE, 0,
 		       offset, 0, UNIV_PAGE_SIZE,
 		       (void*) (buf_dblwr->write_buf
-				+ UNIV_PAGE_SIZE * i), NULL);
+			        + UNIV_PAGE_SIZE * i), NULL, 0);
 	} else {
 		/* It is a regular page. Write it directly to the
 		doublewrite buffer */
 		fil_io(OS_FILE_WRITE, true, TRX_SYS_SPACE, 0,
 		       offset, 0, UNIV_PAGE_SIZE,
 		       (void*) ((buf_block_t*) bpage)->frame,
-		       NULL);
+		       NULL, 0);
 	}
 
 	/* Now flush the doublewrite buffer data to disk */

storage/innobase/buf/buf0flu.cc

 /*****************************************************************************
 
 Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, 2014, SkySQL Ab. All Rights Reserved.
+Copyright (c) 2013, 2014, Fusion-io. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -30,6 +32,7 @@ Created 11/11/1995 Heikki Tuuri
 #endif
 
 #include "buf0buf.h"
+#include "buf0mtflu.h"
 #include "buf0checksum.h"
 #include "srv0start.h"
 #include "srv0srv.h"
@@ -44,10 +47,12 @@ Created 11/11/1995 Heikki Tuuri
 #include "ibuf0ibuf.h"
 #include "log0log.h"
 #include "os0file.h"
+#include "os0sync.h"
 #include "trx0sys.h"
 #include "srv0mon.h"
 #include "mysql/plugin.h"
 #include "mysql/service_thd_wait.h"
+#include "fil0pagecompress.h"
 
 /** Number of pages flushed through non flush_list flushes. */
 static ulint buf_lru_flush_page_count = 0;
@@ -723,8 +728,10 @@ buf_flush_write_complete(
 	flush_type = buf_page_get_flush_type(bpage);
 	buf_pool->n_flush[flush_type]--;
 
+#ifdef UNIV_DEBUG
 	/* fprintf(stderr, "n pending flush %lu\n",
 	buf_pool->n_flush[flush_type]); */
+#endif
 
 	if (buf_pool->n_flush[flush_type] == 0
 	    && buf_pool->init_flush[flush_type] == FALSE) {
@@ -880,6 +887,8 @@ buf_flush_write_block_low(
 {
 	ulint	zip_size	= buf_page_get_zip_size(bpage);
 	page_t*	frame		= NULL;
+	ulint space_id          = buf_page_get_space(bpage);
+	atomic_writes_t awrites = fil_space_get_atomic_writes(space_id);
 
 #ifdef UNIV_DEBUG
 	buf_pool_t*	buf_pool = buf_pool_from_bpage(bpage);
@@ -956,13 +965,29 @@ buf_flush_write_block_low(
 		       sync, buf_page_get_space(bpage), zip_size,
 		       buf_page_get_page_no(bpage), 0,
 		       zip_size ? zip_size : UNIV_PAGE_SIZE,
-		       frame, bpage);
+		       frame, bpage, &bpage->write_size);
+	} else {
+
+		/* InnoDB uses doublewrite buffer and doublewrite buffer
+		is initialized. User can define do we use atomic writes
+		on a file space (table) or not. If atomic writes are
+		not used we should use doublewrite buffer and if
+		atomic writes should be used, no doublewrite buffer
+		is used. */
+
+		if (awrites == ATOMIC_WRITES_ON) {
+			fil_io(OS_FILE_WRITE | OS_AIO_SIMULATED_WAKE_LATER,
+				FALSE, buf_page_get_space(bpage), zip_size,
+				buf_page_get_page_no(bpage), 0,
+				zip_size ? zip_size : UNIV_PAGE_SIZE,
+				frame, bpage, &bpage->write_size);
 		} else if (flush_type == BUF_FLUSH_SINGLE_PAGE) {
 			buf_dblwr_write_single_page(bpage, sync);
 		} else {
 			ut_ad(!sync);
 			buf_dblwr_add_to_batch(bpage);
 		}
+	}
 
 	/* When doing single page flushing the IO is done synchronously
 	and we flush the changes to disk only for the tablespace we
@@ -1221,7 +1246,9 @@ buf_flush_try_neighbors(
 		}
 	}
 
+#ifdef UNIV_DEBUG
 	/* fprintf(stderr, "Flush area: low %lu high %lu\n", low, high); */
+#endif
 
 	if (high > fil_space_get_size(space)) {
 		high = fil_space_get_size(space);
@@ -1664,7 +1691,6 @@ pages: to avoid deadlocks, this function must be written so that it cannot
 end up waiting for these latches! NOTE 2: in the case of a flush list flush,
 the calling thread is not allowed to own any latches on pages!
 @return number of blocks for which the write request was queued */
-static
 ulint
 buf_flush_batch(
 /*============*/
@@ -1721,7 +1747,6 @@ buf_flush_batch(
 
 /******************************************************************//**
 Gather the aggregated stats for both flush list and LRU list flushing */
-static
 void
 buf_flush_common(
 /*=============*/
@@ -1746,7 +1771,6 @@ buf_flush_common(
 
 /******************************************************************//**
 Start a buffer flush batch for LRU or flush list */
-static
 ibool
 buf_flush_start(
 /*============*/
@@ -1775,7 +1799,6 @@ buf_flush_start(
 
 /******************************************************************//**
 End a buffer flush batch for LRU or flush list */
-static
 void
 buf_flush_end(
 /*==========*/
@@ -1899,6 +1922,10 @@ buf_flush_list(
 	ulint		i;
 	bool		success = true;
 
+	if (buf_mtflu_init_done()) {
+		return(buf_mtflu_flush_list(min_n, lsn_limit, n_processed));
+	}
+
 	if (n_processed) {
 		*n_processed = 0;
 	}
@@ -2069,6 +2096,11 @@ buf_flush_LRU_tail(void)
 {
 	ulint	total_flushed = 0;
 
+	if(buf_mtflu_init_done())
+	{
+		return(buf_mtflu_flush_LRU_tail());
+	}
+
 	for (ulint i = 0; i < srv_buf_pool_instances; i++) {
 
 		buf_pool_t*	buf_pool = buf_pool_from_array(i);
@@ -2374,6 +2406,8 @@ page_cleaner_sleep_if_needed(
 	}
 }
 
+
+
 /******************************************************************//**
 page_cleaner thread tasked with flushing dirty pages from the buffer
 pools. As of now we'll have only one instance of this thread.
@@ -2400,7 +2434,6 @@ DECLARE_THREAD(buf_flush_page_cleaner_thread)(
 	fprintf(stderr, "InnoDB: page_cleaner thread running, id %lu\n",
 		os_thread_pf(os_thread_get_curr_id()));
 #endif /* UNIV_DEBUG_THREAD_CREATION */
-
 	buf_page_cleaner_is_active = TRUE;
 
 	while (srv_shutdown_state == SRV_SHUTDOWN_NONE) {
@@ -2424,6 +2457,7 @@ DECLARE_THREAD(buf_flush_page_cleaner_thread)(
 
 			/* Flush pages from flush_list if required */
 			n_flushed += page_cleaner_flush_pages_if_needed();
+
 		} else {
 			n_flushed = page_cleaner_do_flush_batch(
 				PCT_IO(100),
@@ -2440,6 +2474,7 @@ DECLARE_THREAD(buf_flush_page_cleaner_thread)(
 	}
 
 	ut_ad(srv_shutdown_state > 0);
+
 	if (srv_fast_shutdown == 2) {
 		/* In very fast shutdown we simulate a crash of
 		buffer pool. We are not required to do any flushing */
@@ -2605,9 +2640,11 @@ buf_flush_validate(
 
 	return(ret);
 }
+
 #endif /* UNIV_DEBUG || UNIV_BUF_DEBUG */
 #endif /* !UNIV_HOTBACKUP */
 
+
 #ifdef UNIV_DEBUG
 /******************************************************************//**
 Check if there are any dirty pages that belong to a space id in the flush

storage/innobase/buf/buf0rea.cc

 /*****************************************************************************
 
 Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, 2014, SkySQL Ab. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -184,14 +185,14 @@ buf_read_page_low(
 		*err = fil_io(OS_FILE_READ | wake_later
 			      | ignore_nonexistent_pages,
 			      sync, space, zip_size, offset, 0, zip_size,
-			      bpage->zip.data, bpage);
+			      bpage->zip.data, bpage, &bpage->write_size);
 	} else {
 		ut_a(buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE);
 
 		*err = fil_io(OS_FILE_READ | wake_later
 			      | ignore_nonexistent_pages,
 			      sync, space, 0, offset, 0, UNIV_PAGE_SIZE,
-			      ((buf_block_t*) bpage)->frame, bpage);
+			      ((buf_block_t*) bpage)->frame, bpage, 0);
 	}
 
 	if (sync) {

storage/innobase/dict/dict0dict.cc

@@ -2,6 +2,7 @@
 
 Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2012, Facebook Inc.
+Copyright (c) 2013, SkySQL Ab. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software

storage/innobase/handler/ha_innodb.h

 /*****************************************************************************
 
 Copyright (c) 2000, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, SkySQL Ab. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -56,6 +57,22 @@ typedef struct st_innobase_share {
 /** Prebuilt structures in an InnoDB table handle used within MySQL */
 struct row_prebuilt_t;
 
+/** Engine specific table options are definined using this struct */
+struct ha_table_option_struct
+{
+	bool  page_compressed;		/*!< Table is using page compression
+					if this option is true. */
+	int   page_compression_level;	/*!< Table page compression level
+					or UNIV_UNSPECIFIED. */
+	uint  atomic_writes;		/*!< Use atomic writes for this
+					table if this options is ON or
+					in DEFAULT if
+					srv_use_atomic_writes=1.
+					Atomic writes are not used if
+					value OFF.*/
+};
+
+
 /** The class defining a handle to an Innodb table */
 class ha_innobase: public handler
 {
@@ -182,6 +199,8 @@ class ha_innobase: public handler
 			     char* norm_name,
 			     char* temp_path,
 			     char* remote_path);
+	const char* check_table_options(THD *thd, TABLE* table,
+		HA_CREATE_INFO*	create_info, const bool use_tablespace, const ulint file_format);
 	int create(const char *name, register TABLE *form,
 					HA_CREATE_INFO *create_info);
 	int truncate();

storage/innobase/handler/handler0alter.cc

 /*****************************************************************************
 
 Copyright (c) 2005, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, 2014, SkySQL Ab. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -259,6 +260,22 @@ ha_innobase::check_if_supported_inplace_alter(
 	update_thd();
 	trx_search_latch_release_if_reserved(prebuilt->trx);
 
+	/* Change on engine specific table options require rebuild of the
+	table */
+	if (ha_alter_info->handler_flags
+		== Alter_inplace_info::CHANGE_CREATE_OPTION) {
+		ha_table_option_struct *new_options= ha_alter_info->create_info->option_struct;
+		ha_table_option_struct *old_options= table->s->option_struct;
+
+		if (new_options->page_compressed != old_options->page_compressed ||
+		    new_options->page_compression_level != old_options->page_compression_level ||
+			new_options->atomic_writes != old_options->atomic_writes) {
+			ha_alter_info->unsupported_reason = innobase_get_err_msg(
+				ER_ALTER_OPERATION_NOT_SUPPORTED_REASON);
+			DBUG_RETURN(HA_ALTER_INPLACE_NOT_SUPPORTED);
+		}
+	}
+
 	if (ha_alter_info->handler_flags
 	    & ~(INNOBASE_INPLACE_IGNORE
 		| INNOBASE_ALTER_NOREBUILD
@@ -3382,6 +3399,17 @@ ha_innobase::prepare_inplace_alter_table(
 
 	if (ha_alter_info->handler_flags
 	    & Alter_inplace_info::CHANGE_CREATE_OPTION) {
+		/* Check engine specific table options */
+		if (const char* invalid_tbopt = check_table_options(
+				user_thd, altered_table,
+				ha_alter_info->create_info,
+				prebuilt->table->space != 0,
+				srv_file_format)) {
+			my_error(ER_ILLEGAL_HA_CREATE_OPTION, MYF(0),
+				 table_type(), invalid_tbopt);
+			goto err_exit_no_heap;
+		}
+
 		if (const char* invalid_opt = create_options_are_invalid(
 			    user_thd, altered_table,
 			    ha_alter_info->create_info,

storage/innobase/include/buf0buf.h

 /*****************************************************************************
 
 Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, 2014, SkySQL Ab. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -1489,6 +1490,11 @@ struct buf_page_t{
 					state == BUF_BLOCK_ZIP_PAGE and
 					zip.data == NULL means an active
 					buf_pool->watch */
+
+	ulint           write_size;     /* Write size is set when this
+					page is first time written and then
+					if written again we check is TRIM
+					operation needed. */
 #ifndef UNIV_HOTBACKUP
 	buf_page_t*	hash;		/*!< node used in chaining to
 					buf_pool->page_hash or

storage/innobase/include/buf0flu.h

 /*****************************************************************************
 
 Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2014, 2014, SkySQL Ab.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -279,6 +280,55 @@ buf_flush_get_dirty_pages_count(
 
 #endif /* !UNIV_HOTBACKUP */
 
+/******************************************************************//**
+Start a buffer flush batch for LRU or flush list */
+ibool
+buf_flush_start(
+/*============*/
+	buf_pool_t*	buf_pool,	/*!< buffer pool instance */
+	buf_flush_t	flush_type);	/*!< in: BUF_FLUSH_LRU
+					or BUF_FLUSH_LIST */
+/******************************************************************//**
+End a buffer flush batch for LRU or flush list */
+void
+buf_flush_end(
+/*==========*/
+	buf_pool_t*	buf_pool,	/*!< buffer pool instance */
+	buf_flush_t	flush_type);	/*!< in: BUF_FLUSH_LRU
+					or BUF_FLUSH_LIST */
+/******************************************************************//**
+Gather the aggregated stats for both flush list and LRU list flushing */
+void
+buf_flush_common(
+/*=============*/
+	buf_flush_t	flush_type,	/*!< in: type of flush */
+	ulint		page_count);	/*!< in: number of pages flushed */
+
+/*******************************************************************//**
+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
+pages: to avoid deadlocks, this function must be written so that it cannot
+end up waiting for these latches! NOTE 2: in the case of a flush list flush,
+the calling thread is not allowed to own any latches on pages!
+@return number of blocks for which the write request was queued */
+ulint
+buf_flush_batch(
+/*============*/
+	buf_pool_t*	buf_pool,	/*!< in: buffer pool instance */
+	buf_flush_t	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) */
+	lsn_t		lsn_limit);	/*!< in: in the case of 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 */
+
+
 #ifndef UNIV_NONINL
 #include "buf0flu.ic"
 #endif

storage/innobase/include/buf0mtflu.h

+/*****************************************************************************
+
+Copyright (C) 2014 SkySQL Ab. All Rights Reserved.
+Copyright (C) 2014 Fusion-io. All Rights Reserved.
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+*****************************************************************************/
+
+/******************************************************************//**
+@file include/buf0mtflu.h
+Multi-threadef flush method interface function prototypes
+
+Created 06/02/2014 Jan Lindström jan.lindstrom@skysql.com
+		   Dhananjoy Das DDas@fusionio.com
+***********************************************************************/
+
+#ifndef buf0mtflu_h
+#define buf0mtflu_h
+
+/******************************************************************//**
+Add exit work item to work queue to signal multi-threded flush
+threads that they should exit.
+*/
+void
+buf_mtflu_io_thread_exit(void);
+/*===========================*/
+
+/******************************************************************//**
+Initialize multi-threaded flush thread syncronization data.
+@return Initialized multi-threaded flush thread syncroniztion data. */
+void*
+buf_mtflu_handler_init(
+/*===================*/
+	ulint n_threads,	/*!< in: Number of threads to create */
+	ulint wrk_cnt);		/*!< in: Number of work items */
+
+/******************************************************************//**
+Return true if multi-threaded flush is initialized
+@return true if initialized, false if not */
+bool
+buf_mtflu_init_done(void);
+/*======================*/
+
+/*********************************************************************//**
+Clears up tail of the LRU lists:
+* Put replaceable pages at the tail of LRU to the free list
+* Flush dirty pages at the tail of LRU to the disk
+The depth to which we scan each buffer pool is controlled by dynamic
+config parameter innodb_LRU_scan_depth.
+@return total pages flushed */
+UNIV_INTERN
+ulint
+buf_mtflu_flush_LRU_tail(void);
+/*===========================*/
+
+/*******************************************************************//**
+Multi-threaded version of buf_flush_list
+*/
+bool
+buf_mtflu_flush_list(
+/*=================*/
+	ulint		min_n,		/*!< in: wished minimum mumber of blocks
+					flushed (it is not guaranteed that the
+					actual number is that big, though) */
+	lsn_t		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 */
+	ulint*		n_processed);	/*!< out: the number of pages
+					which were processed is passed
+					back to caller. Ignored if NULL */
+
+/*********************************************************************//**
+Set correct thread identifiers to io thread array based on
+information we have. */
+void
+buf_mtflu_set_thread_ids(
+/*=====================*/
+	ulint n_threads,		/*!<in: Number of threads to fill */
+	void* ctx,		        /*!<in: thread context */
+	os_thread_id_t* thread_ids);	/*!<in: thread id array */
+
+#endif

storage/innobase/include/dict0dict.h

@@ -2,6 +2,7 @@
 
 Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2012, Facebook Inc.
+Copyright (c) 2013, SkySQL Ab. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -42,6 +43,8 @@ Created 1/8/1996 Heikki Tuuri
 #include "ut0byte.h"
 #include "trx0types.h"
 #include "row0types.h"
+#include "fsp0fsp.h"
+#include "dict0pagecompress.h"
 
 #ifndef UNIV_HOTBACKUP
 # include "sync0sync.h"
@@ -904,7 +907,14 @@ dict_tf_set(
 	ulint*		flags,		/*!< in/out: table */
 	rec_format_t	format,		/*!< in: file format */
 	ulint		zip_ssize,	/*!< in: zip shift size */
-	bool		remote_path)	/*!< in: table uses DATA DIRECTORY */
+	bool		remote_path,	/*!< in: table uses DATA DIRECTORY
+					*/
+        bool		page_compressed,/*!< in: table uses page compressed
+					pages */
+	ulint		page_compression_level, /*!< in: table page compression
+						 level */
+	ulint		atomic_writes)  /*!< in: table atomic
+					writes option value*/
 	__attribute__((nonnull));
 /********************************************************************//**
 Convert a 32 bit integer table flags to the 32 bit integer that is
@@ -932,6 +942,7 @@ dict_tf_get_zip_size(
 /*=================*/
 	ulint	flags)			/*!< in: flags */
 	__attribute__((const));
+
 /********************************************************************//**
 Check whether the table uses the compressed compact page format.
 @return	compressed page size, or 0 if not compressed */
@@ -1812,6 +1823,7 @@ dict_table_get_index_on_first_col(
 
 #endif /* !UNIV_HOTBACKUP */
 
+
 #ifndef UNIV_NONINL
 #include "dict0dict.ic"
 #endif

storage/innobase/include/dict0mem.h

@@ -2,6 +2,7 @@
 
 Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2012, Facebook Inc.
+Copyright (c) 2013, SkySQL Ab. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -120,11 +121,26 @@ This flag prevents older engines from attempting to open the table and
 allows InnoDB to update_create_info() accordingly. */
 #define DICT_TF_WIDTH_DATA_DIR		1
 
+/**
+Width of the page compression flag
+*/
+#define DICT_TF_WIDTH_PAGE_COMPRESSION  1
+#define DICT_TF_WIDTH_PAGE_COMPRESSION_LEVEL 4
+
+/**
+Width of atomic writes flag
+DEFAULT=0, ON = 1, OFF = 2
+*/
+#define DICT_TF_WIDTH_ATOMIC_WRITES 2
+
 /** Width of all the currently known table flags */
 #define DICT_TF_BITS	(DICT_TF_WIDTH_COMPACT		\
 			+ DICT_TF_WIDTH_ZIP_SSIZE	\
 			+ DICT_TF_WIDTH_ATOMIC_BLOBS	\
-			+ DICT_TF_WIDTH_DATA_DIR)
+			+ DICT_TF_WIDTH_DATA_DIR        \
+			+ DICT_TF_WIDTH_PAGE_COMPRESSION \
+			+ DICT_TF_WIDTH_PAGE_COMPRESSION_LEVEL \
+			+ DICT_TF_WIDTH_ATOMIC_WRITES)
 
 /** A mask of all the known/used bits in table flags */
 #define DICT_TF_BIT_MASK	(~(~0 << DICT_TF_BITS))
@@ -140,9 +156,19 @@ allows InnoDB to update_create_info() accordingly. */
 /** Zero relative shift position of the DATA_DIR field */
 #define DICT_TF_POS_DATA_DIR		(DICT_TF_POS_ATOMIC_BLOBS	\
 					+ DICT_TF_WIDTH_ATOMIC_BLOBS)
-/** Zero relative shift position of the start of the UNUSED bits */
-#define DICT_TF_POS_UNUSED		(DICT_TF_POS_DATA_DIR		\
+/** Zero relative shift position of the PAGE_COMPRESSION field */
+#define DICT_TF_POS_PAGE_COMPRESSION	(DICT_TF_POS_DATA_DIR	\
 		                        + DICT_TF_WIDTH_DATA_DIR)
+/** Zero relative shift position of the PAGE_COMPRESSION_LEVEL field */
+#define DICT_TF_POS_PAGE_COMPRESSION_LEVEL	(DICT_TF_POS_PAGE_COMPRESSION	\
+					+ DICT_TF_WIDTH_PAGE_COMPRESSION)
+/** Zero relative shift position of the ATOMIC_WRITES field */
+#define DICT_TF_POS_ATOMIC_WRITES	(DICT_TF_POS_PAGE_COMPRESSION_LEVEL	\
+					+ DICT_TF_WIDTH_PAGE_COMPRESSION_LEVEL)
+
+/** Zero relative shift position of the start of the UNUSED bits */
+#define DICT_TF_POS_UNUSED		(DICT_TF_POS_ATOMIC_WRITES     \
+					+ DICT_TF_WIDTH_ATOMIC_WRITES)
 
 /** Bit mask of the COMPACT field */
 #define DICT_TF_MASK_COMPACT				\
@@ -160,6 +186,18 @@ allows InnoDB to update_create_info() accordingly. */
 #define DICT_TF_MASK_DATA_DIR				\
 		((~(~0 << DICT_TF_WIDTH_DATA_DIR))	\
 		<< DICT_TF_POS_DATA_DIR)
+/** Bit mask of the PAGE_COMPRESSION field */
+#define DICT_TF_MASK_PAGE_COMPRESSION			\
+		((~(~0 << DICT_TF_WIDTH_PAGE_COMPRESSION)) \
+		<< DICT_TF_POS_PAGE_COMPRESSION)
+/** Bit mask of the PAGE_COMPRESSION_LEVEL field */
+#define DICT_TF_MASK_PAGE_COMPRESSION_LEVEL		\
+		((~(~0 << DICT_TF_WIDTH_PAGE_COMPRESSION_LEVEL)) \
+		<< DICT_TF_POS_PAGE_COMPRESSION_LEVEL)
+/** Bit mask of the ATOMIC_WRITES field */
+#define DICT_TF_MASK_ATOMIC_WRITES		\
+		((~(~0 << DICT_TF_WIDTH_ATOMIC_WRITES)) \
+		<< DICT_TF_POS_ATOMIC_WRITES)
 
 /** Return the value of the COMPACT field */
 #define DICT_TF_GET_COMPACT(flags)			\
@@ -177,6 +215,19 @@ allows InnoDB to update_create_info() accordingly. */
 #define DICT_TF_HAS_DATA_DIR(flags)			\
 		((flags & DICT_TF_MASK_DATA_DIR)	\
 		>> DICT_TF_POS_DATA_DIR)
+/** Return the value of the PAGE_COMPRESSION field */
+#define DICT_TF_GET_PAGE_COMPRESSION(flags)	       \
+		((flags & DICT_TF_MASK_PAGE_COMPRESSION) \
+		>> DICT_TF_POS_PAGE_COMPRESSION)
+/** Return the value of the PAGE_COMPRESSION_LEVEL field */
+#define DICT_TF_GET_PAGE_COMPRESSION_LEVEL(flags)       \
+		((flags & DICT_TF_MASK_PAGE_COMPRESSION_LEVEL)	\
+		>> DICT_TF_POS_PAGE_COMPRESSION_LEVEL)
+/** Return the value of the ATOMIC_WRITES field */
+#define DICT_TF_GET_ATOMIC_WRITES(flags)       \
+		((flags & DICT_TF_MASK_ATOMIC_WRITES)	\
+		>> DICT_TF_POS_ATOMIC_WRITES)
+
 /** Return the contents of the UNUSED bits */
 #define DICT_TF_GET_UNUSED(flags)			\
 		(flags >> DICT_TF_POS_UNUSED)

storage/innobase/include/dict0pagecompress.h

+/*****************************************************************************
+
+Copyright (C) 2013 SkySQL Ab. All Rights Reserved.
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+*****************************************************************************/
+
+/******************************************************************//**
+@file include/dict0pagecompress.h
+Helper functions for extracting/storing page compression information
+to dictionary.
+
+Created 11/12/2013 Jan Lindström jan.lindstrom@skysql.com
+***********************************************************************/
+
+#ifndef dict0pagecompress_h
+#define dict0pagecompress_h
+
+/********************************************************************//**
+Extract the page compression level from table flags.
+@return	page compression level, or 0 if not compressed */
+UNIV_INLINE
+ulint
+dict_tf_get_page_compression_level(
+/*===============================*/
+	ulint	flags)			/*!< in: flags */
+	__attribute__((const));
+/********************************************************************//**
+Extract the page compression flag from table flags
+@return	page compression flag, or false if not compressed */
+UNIV_INLINE
+ibool
+dict_tf_get_page_compression(
+/*==========================*/
+	ulint	flags)			/*!< in: flags */
+	__attribute__((const));
+
+/********************************************************************//**
+Check whether the table uses the page compressed page format.
+@return	page compression level, or 0 if not compressed */
+UNIV_INLINE
+ulint
+dict_table_page_compression_level(
+/*==============================*/
+	const dict_table_t*	table)	/*!< in: table */
+	__attribute__((const));
+
+/********************************************************************//**
+Verify that dictionary flags match tablespace flags
+@return	true if flags match, false if not */
+UNIV_INLINE
+ibool
+dict_tf_verify_flags(
+/*=================*/
+	ulint	table_flags,	/*!< in: dict_table_t::flags */
+	ulint   fsp_flags)     /*!< in: fil_space_t::flags  */
+	__attribute__((const));
+
+/********************************************************************//**
+Extract the atomic writes flag from table flags.
+@return	true if atomic writes are used, false if not used  */
+UNIV_INLINE
+atomic_writes_t
+dict_tf_get_atomic_writes(
+/*======================*/
+	ulint	flags)			/*!< in: flags */
+	__attribute__((const));
+
+/********************************************************************//**
+Check whether the table uses the atomic writes.
+@return	true if atomic writes is used, false if not */
+UNIV_INLINE
+atomic_writes_t
+dict_table_get_atomic_writes(
+/*=========================*/
+	const dict_table_t* table);	/*!< in: table */
+
+
+#ifndef UNIV_NONINL
+#include "dict0pagecompress.ic"
+#endif
+
+#endif

storage/innobase/include/dict0pagecompress.ic

+/*****************************************************************************
+
+Copyright (C) 2013 SkySQL Ab. All Rights Reserved.
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+*****************************************************************************/
+
+/******************************************************************//**
+@file include/dict0pagecompress.ic
+Inline implementation for helper functions for extracting/storing
+page compression and atomic writes information to dictionary.
+
+Created 11/12/2013 Jan Lindström jan.lindstrom@skysql.com
+***********************************************************************/
+
+/********************************************************************//**
+Verify that dictionary flags match tablespace flags
+@return	true if flags match, false if not */
+UNIV_INLINE
+ibool
+dict_tf_verify_flags(
+/*=================*/
+	ulint	table_flags,	/*!< in: dict_table_t::flags */
+	ulint   fsp_flags)      /*!< in: fil_space_t::flags  */
+{
+	ulint   table_unused = DICT_TF_GET_UNUSED(table_flags);
+	ulint   compact = DICT_TF_GET_COMPACT(table_flags);
+	ulint   ssize = DICT_TF_GET_ZIP_SSIZE(table_flags);
+	ulint	atomic_blobs = DICT_TF_HAS_ATOMIC_BLOBS(table_flags);
+	ulint   data_dir = DICT_TF_HAS_DATA_DIR(table_flags);
+        ulint   page_compression = DICT_TF_GET_PAGE_COMPRESSION(table_flags);
+	ulint   page_compression_level = DICT_TF_GET_PAGE_COMPRESSION_LEVEL(table_flags);
+	ulint   atomic_writes = DICT_TF_GET_ATOMIC_WRITES(table_flags);
+	ulint	post_antelope = FSP_FLAGS_GET_POST_ANTELOPE(fsp_flags);
+	ulint	zip_ssize = FSP_FLAGS_GET_ZIP_SSIZE(fsp_flags);
+	ulint	fsp_atomic_blobs = FSP_FLAGS_HAS_ATOMIC_BLOBS(fsp_flags);
+	ulint	page_ssize = FSP_FLAGS_GET_PAGE_SSIZE(fsp_flags);
+	ulint	fsp_unused = FSP_FLAGS_GET_UNUSED(fsp_flags);
+        ulint   fsp_page_compression = FSP_FLAGS_GET_PAGE_COMPRESSION(fsp_flags);
+	ulint   fsp_page_compression_level = FSP_FLAGS_GET_PAGE_COMPRESSION_LEVEL(fsp_flags);
+	ulint   fsp_atomic_writes = FSP_FLAGS_GET_ATOMIC_WRITES(fsp_flags);
+
+	DBUG_EXECUTE_IF("dict_tf_verify_flags_failure",
+			return(ULINT_UNDEFINED););
+
+	ut_a(!table_unused);
+	ut_a(!fsp_unused);
+	ut_a(page_ssize == 0 || page_ssize != 0); /* silence compiler */
+	ut_a(compact == 0 || compact == 1); /* silence compiler */
+	ut_a(data_dir == 0 || data_dir == 1); /* silence compiler */
+	ut_a(post_antelope == 0 || post_antelope == 1); /* silence compiler */
+
+	if (ssize != zip_ssize) {
+		fprintf(stderr,
+			"InnoDB: Error: table flags has zip_ssize %ld"
+			" in the data dictionary\n"
+			"InnoDB: but the flags in file has zip_ssize %ld\n",
+			ssize, zip_ssize);
+		return (FALSE);
+	}
+	if (atomic_blobs != fsp_atomic_blobs) {
+		fprintf(stderr,
+			"InnoDB: Error: table flags has atomic_blobs %ld"
+			" in the data dictionary\n"
+			"InnoDB: but the flags in file has atomic_blobs %ld\n",
+			atomic_blobs, fsp_atomic_blobs);
+
+		return (FALSE);
+	}
+	if (page_compression != fsp_page_compression) {
+		fprintf(stderr,
+			"InnoDB: Error: table flags has page_compression %ld"
+			" in the data dictionary\n"
+			"InnoDB: but the flags in file ahas page_compression %ld\n",
+			page_compression, fsp_page_compression);
+
+		return (FALSE);
+	}
+	if (page_compression_level != fsp_page_compression_level) {
+		fprintf(stderr,
+			"InnoDB: Error: table flags has page_compression_level %ld"
+			" in the data dictionary\n"
+			"InnoDB: but the flags in file has page_compression_level %ld\n",
+			page_compression_level, fsp_page_compression_level);
+
+		return (FALSE);
+	}
+
+	if (atomic_writes != fsp_atomic_writes) {
+		fprintf(stderr,
+			"InnoDB: Error: table flags has atomic writes %ld"
+			" in the data dictionary\n"
+			"InnoDB: but the flags in file has atomic_writes %ld\n",
+			atomic_writes, fsp_atomic_writes);
+
+		return (FALSE);
+	}
+
+	return(TRUE);
+}
+
+/********************************************************************//**
+Extract the page compression level from dict_table_t::flags.
+These flags are in memory, so assert that they are valid.
+@return	page compression level, or 0 if not compressed */
+UNIV_INLINE
+ulint
+dict_tf_get_page_compression_level(
+/*===============================*/
+	ulint	flags)	/*!< in: flags */
+{
+        ulint page_compression_level = DICT_TF_GET_PAGE_COMPRESSION_LEVEL(flags);
+
+	ut_ad(page_compression_level >= 0 && page_compression_level <= 9);
+
+	return(page_compression_level);
+}
+
+/********************************************************************//**
+Check whether the table uses the page compression page format.
+@return	page compression level, or 0 if not compressed */
+UNIV_INLINE
+ulint
+dict_table_page_compression_level(
+/*==============================*/
+	const dict_table_t*	table)	/*!< in: table */
+{
+	ut_ad(table);
+	ut_ad(dict_tf_get_page_compression(table->flags));
+
+	return(dict_tf_get_page_compression_level(table->flags));
+}
+
+/********************************************************************//**
+Check whether the table uses the page compression page format.
+@return	true if page compressed, false if not */
+UNIV_INLINE
+ibool
+dict_tf_get_page_compression(
+/*=========================*/
+	ulint	flags)	/*!< in: flags */
+{
+	return(DICT_TF_GET_PAGE_COMPRESSION(flags));
+}
+
+/********************************************************************//**
+Check whether the table uses the page compression page format.
+@return	true if page compressed, false if not */
+UNIV_INLINE
+ibool
+dict_table_is_page_compressed(
+/*==========================*/
+	const dict_table_t* table)	/*!< in: table */
+{
+	return (dict_tf_get_page_compression(table->flags));
+}
+
+/********************************************************************//**
+Extract the atomic writes flag from table flags.
+@return	enumerated value of atomic writes  */
+UNIV_INLINE
+atomic_writes_t
+dict_tf_get_atomic_writes(
+/*======================*/
+	ulint	flags)			/*!< in: flags */
+{
+	return((atomic_writes_t)DICT_TF_GET_ATOMIC_WRITES(flags));
+}
+
+/********************************************************************//**
+Check whether the table uses the atomic writes.
+@return	enumerated value of atomic writes */
+UNIV_INLINE
+atomic_writes_t
+dict_table_get_atomic_writes(
+/*=========================*/
+	const dict_table_t* table)	/*!< in: table */
+{
+	return ((atomic_writes_t)dict_tf_get_atomic_writes(table->flags));
+}

storage/innobase/include/dict0types.h

 /*****************************************************************************
 
 Copyright (c) 1996, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, 2014, SkySQL Ab. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -75,6 +76,13 @@ enum ib_quiesce_t {
 	QUIESCE_COMPLETE		/*!< All done */
 };
 
+/** Enum values for atomic_writes table option */
+typedef enum {
+	ATOMIC_WRITES_DEFAULT = 0,
+	ATOMIC_WRITES_ON = 1,
+	ATOMIC_WRITES_OFF = 2
+} atomic_writes_t;
+
 /** Prefix for tmp tables, adopted from sql/table.h */
 #define tmp_file_prefix		"#sql"
 #define tmp_file_prefix_length	4

storage/innobase/include/fil0fil.h

 /*****************************************************************************
 
 Copyright (c) 1995, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, 2014, SkySQL Ab. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -130,6 +131,10 @@ extern fil_addr_t	fil_addr_null;
 #define FIL_PAGE_SPACE_ID  FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID
 
 #define FIL_PAGE_DATA		38	/*!< start of the data on the page */
+/* Following are used when page compression is used */
+#define FIL_PAGE_COMPRESSED_SIZE 2      /*!< Number of bytes used to store
+ 					actual payload data size on
+ 					compressed pages. */
 /* @} */
 /** File page trailer @{ */
 #define FIL_PAGE_END_LSN_OLD_CHKSUM 8	/*!< the low 4 bytes of this are used
@@ -142,6 +147,7 @@ extern fil_addr_t	fil_addr_null;
 #ifndef UNIV_INNOCHECKSUM
 
 /** File page types (values of FIL_PAGE_TYPE) @{ */
+#define FIL_PAGE_PAGE_COMPRESSED 34354  /*!< page compressed page */
 #define FIL_PAGE_INDEX		17855	/*!< B-tree node */
 #define FIL_PAGE_UNDO_LOG	2	/*!< Undo log page */
 #define FIL_PAGE_INODE		3	/*!< Index node */
@@ -204,6 +210,7 @@ ulint
 fil_space_get_type(
 /*===============*/
 	ulint	id);	/*!< in: space id */
+
 #endif /* !UNIV_HOTBACKUP */
 /*******************************************************************//**
 Appends a new file to the chain of files of a space. File must be closed.
@@ -747,8 +754,13 @@ fil_io(
 	void*	buf,		/*!< in/out: buffer where to store read data
 				or from where to write; in aio this must be
 				appropriately aligned */
-	void*	message)	/*!< in: message for aio handler if non-sync
+	void*	message,	/*!< in: message for aio handler if non-sync
 				aio used, else ignored */
+	ulint*	write_size)	/*!< in/out: Actual write size initialized
+			       after fist successfull trim
+			       operation for this page and if
+			       initialized we do not trim again if
+			       actual page size does not decrease. */
 	__attribute__((nonnull(8)));
 /**********************************************************************//**
 Waits for an aio operation to complete. This function is used to write the
@@ -988,4 +1000,30 @@ fil_mtr_rename_log(
 	__attribute__((nonnull));
 
 #endif /* !UNIV_INNOCHECKSUM */
+
+/****************************************************************//**
+Acquire fil_system mutex */
+void
+fil_system_enter(void);
+/*==================*/
+/****************************************************************//**
+Release fil_system mutex */
+void
+fil_system_exit(void);
+/*==================*/
+
+#ifndef UNIV_INNOCHECKSUM
+/*******************************************************************//**
+Returns the table space by a given id, NULL if not found. */
+fil_space_t*
+fil_space_get_by_id(
+/*================*/
+	ulint	id);	/*!< in: space id */
+/*******************************************************************//**
+Return space name */
+char*
+fil_space_name(
+/*===========*/
+	fil_space_t*	space);	/*!< in: space */
+#endif
 #endif /* fil0fil_h */

storage/innobase/include/fil0pagecompress.h

+/*****************************************************************************
+
+Copyright (C) 2013, 2014 SkySQL Ab. All Rights Reserved.
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+*****************************************************************************/
+
+#ifndef fil0pagecompress_h
+#define fil0pagecompress_h
+
+#include "fsp0fsp.h"
+#include "fsp0pagecompress.h"
+
+/******************************************************************//**
+@file include/fil0pagecompress.h
+Helper functions for extracting/storing page compression and
+atomic writes information to table space.
+
+Created 11/12/2013 Jan Lindström jan.lindstrom@skysql.com
+***********************************************************************/
+
+/*******************************************************************//**
+Returns the page compression level flag of the space, or 0 if the space
+is not compressed. The tablespace must be cached in the memory cache.
+@return	page compression level if page compressed, ULINT_UNDEFINED if space not found */
+ulint
+fil_space_get_page_compression_level(
+/*=================================*/
+	ulint	id);	/*!< in: space id */
+/*******************************************************************//**
+Returns the page compression flag of the space, or false if the space
+is not compressed. The tablespace must be cached in the memory cache.
+@return	true if page compressed, false if not or space not found */
+ibool
+fil_space_is_page_compressed(
+/*=========================*/
+	ulint   id);	/*!< in: space id */
+/*******************************************************************//**
+Returns the atomic writes flag of the space, or false if the space
+is not using atomic writes. The tablespace must be cached in the memory cache.
+@return	atomic write table option value */
+atomic_writes_t
+fil_space_get_atomic_writes(
+/*=========================*/
+	ulint   id);	/*!< in: space id */
+/*******************************************************************//**
+Find out wheather the page is index page or not
+@return	true if page type index page, false if not */
+ibool
+fil_page_is_index_page(
+/*===================*/
+	byte *buf);	/*!< in: page */
+
+/****************************************************************//**
+Get the name of the compression algorithm used for page
+compression.
+@return compression algorithm name or "UNKNOWN" if not known*/
+const char*
+fil_get_compression_alg_name(
+/*=========================*/
+       ulint           comp_alg);    /*!<in: compression algorithm number */
+
+/****************************************************************//**
+For page compressed pages compress the page before actual write
+operation.
+@return compressed page to be written*/
+byte*
+fil_compress_page(
+/*==============*/
+	ulint		space_id,      /*!< in: tablespace id of the
+				       table. */
+	byte*           buf,           /*!< in: buffer from which to write; in aio
+				       this must be appropriately aligned */
+        byte*           out_buf,       /*!< out: compressed buffer */
+        ulint           len,           /*!< in: length of input buffer.*/
+        ulint           compression_level, /*!< in: compression level */
+	ulint*          out_len,       /*!< out: actual length of compressed
+				       page */
+	byte*		lzo_mem);      /*!< in: temporal memory used by LZO */
+
+/****************************************************************//**
+For page compressed pages decompress the page after actual read
+operation.
+@return uncompressed page */
+void
+fil_decompress_page(
+/*================*/
+	byte*           page_buf,      /*!< in: preallocated buffer or NULL */
+	byte*           buf,           /*!< out: buffer from which to read; in aio
+				       this must be appropriately aligned */
+        ulint           len,           /*!< in: length of output buffer.*/
+	ulint*		write_size);   /*!< in/out: Actual payload size of
+				       the compressed data. */
+
+/****************************************************************//**
+Get space id from fil node
+@return space id*/
+ulint
+fil_node_get_space_id(
+/*==================*/
+        fil_node_t*     node);         /*!< in: Node where to get space id*/
+
+/*******************************************************************//**
+Find out wheather the page is page compressed
+@return	true if page is page compressed*/
+ibool
+fil_page_is_compressed(
+/*===================*/
+	byte *buf);	/*!< in: page */
+
+#endif

storage/innobase/include/fsp0fsp.h

 /*****************************************************************************
 
 Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, SkySQL Ab. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -53,12 +54,21 @@ to the two Barracuda row formats COMPRESSED and DYNAMIC. */
 /** Width of the DATA_DIR flag.  This flag indicates that the tablespace
 is found in a remote location, not the default data directory. */
 #define FSP_FLAGS_WIDTH_DATA_DIR	1
+/** Number of flag bits used to indicate the page compression and compression level */
+#define FSP_FLAGS_WIDTH_PAGE_COMPRESSION  1
+#define FSP_FLAGS_WIDTH_PAGE_COMPRESSION_LEVEL 4
+/** Number of flag bits used to indicate atomic writes for this tablespace */
+#define FSP_FLAGS_WIDTH_ATOMIC_WRITES  2
+
 /** Width of all the currently known tablespace flags */
 #define FSP_FLAGS_WIDTH		(FSP_FLAGS_WIDTH_POST_ANTELOPE	\
 				+ FSP_FLAGS_WIDTH_ZIP_SSIZE	\
 				+ FSP_FLAGS_WIDTH_ATOMIC_BLOBS	\
 				+ FSP_FLAGS_WIDTH_PAGE_SSIZE	\
-				+ FSP_FLAGS_WIDTH_DATA_DIR)
+				+ FSP_FLAGS_WIDTH_DATA_DIR      \
+				+ FSP_FLAGS_WIDTH_PAGE_COMPRESSION \
+				+ FSP_FLAGS_WIDTH_PAGE_COMPRESSION_LEVEL \
+				+ FSP_FLAGS_WIDTH_ATOMIC_WRITES)
 
 /** A mask of all the known/used bits in tablespace flags */
 #define FSP_FLAGS_MASK		(~(~0 << FSP_FLAGS_WIDTH))
@@ -71,9 +81,20 @@ is found in a remote location, not the default data directory. */
 /** Zero relative shift position of the ATOMIC_BLOBS field */
 #define FSP_FLAGS_POS_ATOMIC_BLOBS	(FSP_FLAGS_POS_ZIP_SSIZE	\
 					+ FSP_FLAGS_WIDTH_ZIP_SSIZE)
-/** Zero relative shift position of the PAGE_SSIZE field */
-#define FSP_FLAGS_POS_PAGE_SSIZE	(FSP_FLAGS_POS_ATOMIC_BLOBS	\
+/** Note that these need to be before the page size to be compatible with
+dictionary */
+/** Zero relative shift position of the PAGE_COMPRESSION field */
+#define FSP_FLAGS_POS_PAGE_COMPRESSION	(FSP_FLAGS_POS_ATOMIC_BLOBS	\
 					+ FSP_FLAGS_WIDTH_ATOMIC_BLOBS)
+/** Zero relative shift position of the PAGE_COMPRESSION_LEVEL field */
+#define FSP_FLAGS_POS_PAGE_COMPRESSION_LEVEL	(FSP_FLAGS_POS_PAGE_COMPRESSION	\
+					+ FSP_FLAGS_WIDTH_PAGE_COMPRESSION)
+/** Zero relative shift position of the ATOMIC_WRITES field */
+#define FSP_FLAGS_POS_ATOMIC_WRITES	(FSP_FLAGS_POS_PAGE_COMPRESSION_LEVEL	\
+					+ FSP_FLAGS_WIDTH_PAGE_COMPRESSION_LEVEL)
+ /** Zero relative shift position of the PAGE_SSIZE field */
+#define FSP_FLAGS_POS_PAGE_SSIZE	(FSP_FLAGS_POS_ATOMIC_WRITES	\
+					+ FSP_FLAGS_WIDTH_ATOMIC_WRITES)
 /** Zero relative shift position of the start of the UNUSED bits */
 #define FSP_FLAGS_POS_DATA_DIR		(FSP_FLAGS_POS_PAGE_SSIZE	\
 					+ FSP_FLAGS_WIDTH_PAGE_SSIZE)
@@ -101,6 +122,18 @@ is found in a remote location, not the default data directory. */
 #define FSP_FLAGS_MASK_DATA_DIR					\
 		((~(~0 << FSP_FLAGS_WIDTH_DATA_DIR))		\
 		<< FSP_FLAGS_POS_DATA_DIR)
+/** Bit mask of the PAGE_COMPRESSION field */
+#define FSP_FLAGS_MASK_PAGE_COMPRESSION			\
+		((~(~0 << FSP_FLAGS_WIDTH_PAGE_COMPRESSION))	\
+		<< FSP_FLAGS_POS_PAGE_COMPRESSION)
+/** Bit mask of the PAGE_COMPRESSION_LEVEL field */
+#define FSP_FLAGS_MASK_PAGE_COMPRESSION_LEVEL		\
+		((~(~0 << FSP_FLAGS_WIDTH_PAGE_COMPRESSION_LEVEL))	\
+		<< FSP_FLAGS_POS_PAGE_COMPRESSION_LEVEL)
+/** Bit mask of the ATOMIC_WRITES field */
+#define FSP_FLAGS_MASK_ATOMIC_WRITES		\
+		((~(~0 << FSP_FLAGS_WIDTH_ATOMIC_WRITES))	\
+		<< FSP_FLAGS_POS_ATOMIC_WRITES)
 
 /** Return the value of the POST_ANTELOPE field */
 #define FSP_FLAGS_GET_POST_ANTELOPE(flags)			\
@@ -126,11 +159,38 @@ is found in a remote location, not the default data directory. */
 #define FSP_FLAGS_GET_UNUSED(flags)				\
 		(flags >> FSP_FLAGS_POS_UNUSED)
 
+/** Return the value of the PAGE_COMPRESSION field */
+#define FSP_FLAGS_GET_PAGE_COMPRESSION(flags)		\
+		((flags & FSP_FLAGS_MASK_PAGE_COMPRESSION)	\
+		>> FSP_FLAGS_POS_PAGE_COMPRESSION)
+/** Return the value of the PAGE_COMPRESSION_LEVEL field */
+#define FSP_FLAGS_GET_PAGE_COMPRESSION_LEVEL(flags)		\
+		((flags & FSP_FLAGS_MASK_PAGE_COMPRESSION_LEVEL) \
+		>> FSP_FLAGS_POS_PAGE_COMPRESSION_LEVEL)
+/** Return the value of the ATOMIC_WRITES field */
+#define FSP_FLAGS_GET_ATOMIC_WRITES(flags)		\
+		((flags & FSP_FLAGS_MASK_ATOMIC_WRITES) \
+		>> FSP_FLAGS_POS_ATOMIC_WRITES)
+
 /** Set a PAGE_SSIZE into the correct bits in a given
 tablespace flags. */
 #define FSP_FLAGS_SET_PAGE_SSIZE(flags, ssize)			\
 		(flags | (ssize << FSP_FLAGS_POS_PAGE_SSIZE))
 
+/** Set a PAGE_COMPRESSION into the correct bits in a given
+tablespace flags. */
+#define FSP_FLAGS_SET_PAGE_COMPRESSION(flags, compression)	\
+		(flags | (compression << FSP_FLAGS_POS_PAGE_COMPRESSION))
+
+/** Set a PAGE_COMPRESSION_LEVEL into the correct bits in a given
+tablespace flags. */
+#define FSP_FLAGS_SET_PAGE_COMPRESSION_LEVEL(flags, level)	\
+		(flags | (level << FSP_FLAGS_POS_PAGE_COMPRESSION_LEVEL))
+/** Set a ATOMIC_WRITES into the correct bits in a given
+tablespace flags. */
+#define FSP_FLAGS_SET_ATOMIC_WRITES(flags, atomics)	\
+		(flags | (atomics << FSP_FLAGS_POS_ATOMIC_WRITES))
+
 /* @} */
 
 /* @defgroup Tablespace Header Constants (moved from fsp0fsp.c) @{ */

storage/innobase/include/fsp0fsp.ic

 /*****************************************************************************
 
 Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, SkySQL Ab. All Rights Reserved.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -63,12 +64,17 @@ fsp_flags_is_valid(
 	ulint	atomic_blobs = FSP_FLAGS_HAS_ATOMIC_BLOBS(flags);
 	ulint	page_ssize = FSP_FLAGS_GET_PAGE_SSIZE(flags);
 	ulint	unused = FSP_FLAGS_GET_UNUSED(flags);
+	ulint	page_compression = FSP_FLAGS_GET_PAGE_COMPRESSION(flags);
+	ulint	page_compression_level = FSP_FLAGS_GET_PAGE_COMPRESSION_LEVEL(flags);
+	ulint	atomic_writes = FSP_FLAGS_GET_ATOMIC_WRITES(flags);
 
 	DBUG_EXECUTE_IF("fsp_flags_is_valid_failure", return(false););
 
 	/* fsp_flags is zero unless atomic_blobs is set. */
 	/* Make sure there are no bits that we do not know about. */
 	if (unused != 0 || flags == 1) {
+		fprintf(stderr, "InnoDB: Error: Tablespace flags %lu corrupted unused %lu\n",
+			flags, unused);
 		return(false);
 	} else if (post_antelope) {
 		/* The Antelope row formats REDUNDANT and COMPACT did
@@ -76,6 +82,8 @@ fsp_flags_is_valid(
 		4-byte field is zero for Antelope row formats. */
 
 		if (!atomic_blobs) {
+			fprintf(stderr, "InnoDB: Error: Tablespace flags %lu corrupted atomic_blobs %lu\n",
+				flags, atomic_blobs);
 			return(false);
 		}
 	}
@@ -87,10 +95,14 @@ fsp_flags_is_valid(
 		externally stored parts. */
 
 		if (post_antelope || zip_ssize != 0) {
+			fprintf(stderr, "InnoDB: Error: Tablespace flags %lu corrupted zip_ssize %lu atomic_blobs %lu\n",
+				flags, zip_ssize, atomic_blobs);
 			return(false);
 		}
 
 	} else if (!post_antelope || zip_ssize > PAGE_ZIP_SSIZE_MAX) {
+		fprintf(stderr, "InnoDB: Error: Tablespace flags %lu corrupted zip_ssize %lu max %d\n",
+			flags, zip_ssize, PAGE_ZIP_SSIZE_MAX);
 		return(false);
 	} else if (page_ssize > UNIV_PAGE_SSIZE_MAX) {
 
@@ -98,12 +110,33 @@ fsp_flags_is_valid(
 		be zero for an original 16k page size.
 		Validate the page shift size is within allowed range. */
 
+		fprintf(stderr, "InnoDB: Error: Tablespace flags %lu corrupted page_ssize %lu max %lu\n",
+			flags, page_ssize, UNIV_PAGE_SSIZE_MAX);
 		return(false);
 
 	} else if (UNIV_PAGE_SIZE != UNIV_PAGE_SIZE_ORIG && !page_ssize) {
+		fprintf(stderr, "InnoDB: Error: Tablespace flags %lu corrupted page_ssize %lu max %lu:%d\n",
+			flags, page_ssize, UNIV_PAGE_SIZE, UNIV_PAGE_SIZE_ORIG);
 		return(false);
 	}
 
+	/* Page compression level requires page compression and atomic blobs
+	to be set */
+        if (page_compression_level || page_compression) {
+		if (!page_compression || !atomic_blobs) {
+			fprintf(stderr, "InnoDB: Error: Tablespace flags %lu corrupted page_compression %lu\n"
+				"InnoDB: Error: page_compression_level %lu atomic_blobs %lu\n",
+				flags, page_compression, page_compression_level, atomic_blobs);
+			return(false);
+		}
+	}
+
+	if (atomic_writes < 0 || atomic_writes > ATOMIC_WRITES_OFF) {
+		fprintf(stderr, "InnoDB: Error: Tablespace flags %lu corrupted atomic_writes %lu\n",
+			flags, atomic_writes);
+		return (false);
+	}
+
 #if UNIV_FORMAT_MAX != UNIV_FORMAT_B
 # error "UNIV_FORMAT_MAX != UNIV_FORMAT_B, Add more validations."
 #endif
@@ -312,3 +345,4 @@ xdes_calc_descriptor_page(
 }
 
 #endif /* !UNIV_INNOCHECKSUM */
+

storage/innobase/include/fsp0pagecompress.h

+/*****************************************************************************
+
+Copyright (C) 2013, 2014 SkySQL Ab. All Rights Reserved.
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+*****************************************************************************/
+
+/******************************************************************//**
+@file include/fsp0pagecompress.h
+Helper functions for extracting/storing page compression and
+atomic writes information to file space.
+
+Created 11/12/2013 Jan Lindström jan.lindstrom@skysql.com
+***********************************************************************/
+
+#ifndef fsp0pagecompress_h
+#define fsp0pagecompress_h
+
+#define PAGE_UNCOMPRESSED   0
+#define PAGE_ZLIB_ALGORITHM 1
+#define PAGE_LZ4_ALGORITHM  2
+#define PAGE_LZO_ALGORITHM  3
+#define PAGE_ALGORITHM_LAST PAGE_LZO_ALGORITHM
+
+/**********************************************************************//**
+Reads the page compression level from the first page of a tablespace.
+@return	page compression level, or 0 if uncompressed */
+UNIV_INTERN
+ulint
+fsp_header_get_compression_level(
+/*=============================*/
+	const page_t*	page);	/*!< in: first page of a tablespace */
+
+/********************************************************************//**
+Determine if the tablespace is page compressed from dict_table_t::flags.
+@return	TRUE if page compressed, FALSE if not compressed */
+UNIV_INLINE
+ibool
+fsp_flags_is_page_compressed(
+/*=========================*/
+	ulint	flags);	/*!< in: tablespace flags */
+
+/********************************************************************//**
+Extract the page compression level from tablespace flags.
+A tablespace has only one physical page compression level
+whether that page is compressed or not.
+@return	page compression level of the file-per-table tablespace,
+or zero if the table is not compressed.  */
+UNIV_INLINE
+ulint
+fsp_flags_get_page_compression_level(
+/*=================================*/
+	ulint	flags);	/*!< in: tablespace flags */
+
+/********************************************************************//**
+Determine the tablespace is using atomic writes from dict_table_t::flags.
+@return	true if atomic writes is used, false if not */
+UNIV_INLINE
+atomic_writes_t
+fsp_flags_get_atomic_writes(
+/*========================*/
+	ulint	flags);	/*!< in: tablespace flags */
+
+#ifndef UNIV_NONINL
+#include "fsp0pagecompress.ic"
+#endif
+
+#endif

storage/innobase/include/fsp0pagecompress.ic

+/*****************************************************************************
+
+Copyright (C) 2013,2014 SkySQL Ab. All Rights Reserved.
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+*****************************************************************************/
+
+/******************************************************************//**
+@file include/fsp0pagecompress.ic
+Implementation for helper functions for extracting/storing page
+compression and atomic writes information to file space.
+
+Created 11/12/2013 Jan Lindström jan.lindstrom@skysql.com
+***********************************************************************/
+
+/********************************************************************//**
+Determine if the tablespace is page compressed from dict_table_t::flags.
+@return	TRUE if page compressed, FALSE if not page compressed */
+UNIV_INLINE
+ibool
+fsp_flags_is_page_compressed(
+/*=========================*/
+	ulint	flags)	/*!< in: tablespace flags */
+{
+	return(FSP_FLAGS_GET_PAGE_COMPRESSION(flags));
+}
+
+/********************************************************************//**
+Determine the tablespace is page compression level from dict_table_t::flags.
+@return	page compression level or 0 if not compressed*/
+UNIV_INLINE
+ulint
+fsp_flags_get_page_compression_level(
+/*=================================*/
+	ulint	flags)	/*!< in: tablespace flags */
+{
+	return(FSP_FLAGS_GET_PAGE_COMPRESSION_LEVEL(flags));
+}
+
+/********************************************************************//**
+Determine the tablespace is using atomic writes from dict_table_t::flags.
+@return	true if atomic writes is used, false if not */
+UNIV_INLINE
+atomic_writes_t
+fsp_flags_get_atomic_writes(
+/*========================*/
+	ulint	flags)	/*!< in: tablespace flags */
+{
+	return((atomic_writes_t)FSP_FLAGS_GET_ATOMIC_WRITES(flags));
+}
+
+/*******************************************************************//**
+Find out wheather the page is index page or not
+@return	true if page type index page, false if not */
+UNIV_INLINE
+ibool
+fil_page_is_index_page(
+/*===================*/
+	byte *buf)	/*!< in: page */
+{
+	return(mach_read_from_2(buf+FIL_PAGE_TYPE) == FIL_PAGE_INDEX);
+}
+
+/*******************************************************************//**
+Find out wheather the page is page compressed
+@return	true if page is page compressed, false if not */
+UNIV_INLINE
+ibool
+fil_page_is_compressed(
+/*===================*/
+	byte *buf)	/*!< in: page */
+{
+	return(mach_read_from_2(buf+FIL_PAGE_TYPE) == FIL_PAGE_PAGE_COMPRESSED);
+}
+
+/*******************************************************************//**
+Returns the page compression level of the space, or 0 if the space
+is not compressed. The tablespace must be cached in the memory cache.
+@return	page compression level, ULINT_UNDEFINED if space not found */
+UNIV_INLINE
+ulint
+fil_space_get_page_compression_level(
+/*=================================*/
+	ulint	id)	/*!< in: space id */
+{
+	ulint	flags;
+
+	flags = fil_space_get_flags(id);
+
+	if (flags && flags != ULINT_UNDEFINED) {
+
+		return(fsp_flags_get_page_compression_level(flags));
+	}
+
+	return(flags);
+}
+
+/*******************************************************************//**
+Extract the page compression from space.
+@return true if space is page compressed, false if space is not found
+or space is not page compressed. */
+UNIV_INLINE
+ibool
+fil_space_is_page_compressed(
+/*=========================*/
+	ulint	id)	/*!< in: space id */
+{
+	ulint	flags;
+
+	flags = fil_space_get_flags(id);
+
+	if (flags && flags != ULINT_UNDEFINED) {
+
+		return(fsp_flags_is_page_compressed(flags));
+	}
+
+	return(flags);
+}
+
+/****************************************************************//**
+Get the name of the compression algorithm used for page
+compression.
+@return compression algorithm name or "UNKNOWN" if not known*/
+UNIV_INLINE
+const char*
+fil_get_compression_alg_name(
+/*=========================*/
+       ulint           comp_alg)     /*!<in: compression algorithm number */
+{
+	switch(comp_alg) {
+	case PAGE_UNCOMPRESSED:
+		return ("uncompressed");
+		break;
+	case PAGE_ZLIB_ALGORITHM:
+		return ("ZLIB");
+		break;
+	case PAGE_LZ4_ALGORITHM:
+		return ("LZ4");
+		break;
+	case PAGE_LZO_ALGORITHM:
+		return ("LZO");
+		break;
+	default:
+		return("UNKNOWN");
+		ut_error;
+		break;
+	}
+}
+
+/*******************************************************************//**
+Returns the atomic writes flag of the space, or false if the space
+is not using atomic writes. The tablespace must be cached in the memory cache.
+@return	atomic writes table option value */
+UNIV_INLINE
+atomic_writes_t
+fil_space_get_atomic_writes(
+/*========================*/
+	ulint	id)	/*!< in: space id */
+{
+	ulint	flags;
+
+	flags = fil_space_get_flags(id);
+
+	if (flags && flags != ULINT_UNDEFINED) {
+
+		return((atomic_writes_t)fsp_flags_get_atomic_writes(flags));
+	}
+
+	return((atomic_writes_t)0);
+}

storage/innobase/include/fsp0types.h

@@ -29,6 +29,7 @@ Created May 26, 2009 Vasil Dimov
 #include "univ.i"
 
 #include "fil0fil.h" /* for FIL_PAGE_DATA */
+#include "ut0byte.h"
 
 /** @name Flags for inserting records in order
 If records are inserted in order, there are the following