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Diffstat (limited to 'storage/xtradb/include/fsp0fsp.ic')
| -rw-r--r-- | storage/xtradb/include/fsp0fsp.ic | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/storage/xtradb/include/fsp0fsp.ic b/storage/xtradb/include/fsp0fsp.ic deleted file mode 100644 index ee4cb1f32c7..00000000000 --- a/storage/xtradb/include/fsp0fsp.ic +++ /dev/null @@ -1,202 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1995, 2012, Oracle and/or its affiliates. All Rights Reserved. -Copyright (c) 2013, 2017, MariaDB Corporation. - -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 Street, Suite 500, Boston, MA 02110-1335 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/fsp0fsp.ic -File space management - -Created 12/18/1995 Heikki Tuuri -*******************************************************/ - -#ifndef UNIV_INNOCHECKSUM - -/***********************************************************************//** -Checks if a page address is an extent descriptor page address. -@return TRUE if a descriptor page */ -UNIV_INLINE -ibool -fsp_descr_page( -/*===========*/ - ulint zip_size,/*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint page_no)/*!< in: page number */ -{ - ut_ad(ut_is_2pow(zip_size)); - - if (!zip_size) { - return((page_no & (UNIV_PAGE_SIZE - 1)) == FSP_XDES_OFFSET); - } - - return((page_no & (zip_size - 1)) == FSP_XDES_OFFSET); -} - -/********************************************************************//** -Determine if the tablespace is compressed from dict_table_t::flags. -@return TRUE if compressed, FALSE if not compressed */ -UNIV_INLINE -ibool -fsp_flags_is_compressed( -/*====================*/ - ulint flags) /*!< in: tablespace flags */ -{ - return(FSP_FLAGS_GET_ZIP_SSIZE(flags) != 0); -} - -#endif /* !UNIV_INNOCHECKSUM */ - -/********************************************************************//** -Extract the zip size from tablespace flags. -@return compressed page size of the file-per-table tablespace in bytes, -or zero if the table is not compressed. */ -UNIV_INLINE -ulint -fsp_flags_get_zip_size( -/*===================*/ - ulint flags) /*!< in: tablespace flags */ -{ - ulint zip_size = 0; - ulint ssize = FSP_FLAGS_GET_ZIP_SSIZE(flags); - - /* Convert from a 'log2 minus 9' to a page size in bytes. */ - if (ssize) { - zip_size = ((UNIV_ZIP_SIZE_MIN >> 1) << ssize); - - ut_ad(zip_size <= UNIV_ZIP_SIZE_MAX); - } - - return(zip_size); -} - -/********************************************************************//** -Extract the page size from tablespace flags. -@return page size of the tablespace in bytes */ -UNIV_INLINE -ulint -fsp_flags_get_page_size( -/*====================*/ - ulint flags) /*!< in: tablespace flags */ -{ - ulint page_size = 0; - ulint ssize = FSP_FLAGS_GET_PAGE_SSIZE(flags); - - /* Convert from a 'log2 minus 9' to a page size in bytes. */ - if (UNIV_UNLIKELY(ssize)) { - page_size = ((UNIV_ZIP_SIZE_MIN >> 1) << ssize); - - ut_ad(page_size <= UNIV_PAGE_SIZE_MAX); - } else { - /* If the page size was not stored, then it is the - original 16k. */ - page_size = UNIV_PAGE_SIZE_ORIG; - } - - return(page_size); -} - -#ifndef UNIV_INNOCHECKSUM -/********************************************************************//** -Calculates the descriptor index within a descriptor page. -@return descriptor index */ -UNIV_INLINE -ulint -xdes_calc_descriptor_index( -/*=======================*/ - ulint zip_size, /*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint offset) /*!< in: page offset */ -{ - ut_ad(ut_is_2pow(zip_size)); - - if (zip_size == 0) { - return(ut_2pow_remainder(offset, UNIV_PAGE_SIZE) - / FSP_EXTENT_SIZE); - } else { - return(ut_2pow_remainder(offset, zip_size) / FSP_EXTENT_SIZE); - } -} - -/**********************************************************************//** -Gets a descriptor bit of a page. -@return TRUE if free */ -UNIV_INLINE -ibool -xdes_get_bit( -/*=========*/ - const xdes_t* descr, /*!< in: descriptor */ - ulint bit, /*!< in: XDES_FREE_BIT or XDES_CLEAN_BIT */ - ulint offset) /*!< in: page offset within extent: - 0 ... FSP_EXTENT_SIZE - 1 */ -{ - ut_ad(offset < FSP_EXTENT_SIZE); - ut_ad(bit == XDES_FREE_BIT || bit == XDES_CLEAN_BIT); - - ulint index = bit + XDES_BITS_PER_PAGE * offset; - - ulint bit_index = index % 8; - ulint byte_index = index / 8; - - return(ut_bit_get_nth( - mach_read_ulint(descr + XDES_BITMAP + byte_index, - MLOG_1BYTE), - bit_index)); -} - -/********************************************************************//** -Calculates the page where the descriptor of a page resides. -@return descriptor page offset */ -UNIV_INLINE -ulint -xdes_calc_descriptor_page( -/*======================*/ - ulint zip_size, /*!< in: compressed page size in bytes; - 0 for uncompressed pages */ - ulint offset) /*!< in: page offset */ -{ -#ifndef DOXYGEN /* Doxygen gets confused by these */ -# if UNIV_PAGE_SIZE_MAX <= XDES_ARR_OFFSET \ - + (UNIV_PAGE_SIZE_MAX / FSP_EXTENT_SIZE_MAX) \ - * XDES_SIZE_MAX -# error -# endif -# if UNIV_ZIP_SIZE_MIN <= XDES_ARR_OFFSET \ - + (UNIV_ZIP_SIZE_MIN / FSP_EXTENT_SIZE_MIN) \ - * XDES_SIZE_MIN -# error -# endif -#endif /* !DOXYGEN */ - - ut_ad(UNIV_PAGE_SIZE > XDES_ARR_OFFSET - + (UNIV_PAGE_SIZE / FSP_EXTENT_SIZE) - * XDES_SIZE); - ut_ad(UNIV_ZIP_SIZE_MIN > XDES_ARR_OFFSET - + (UNIV_ZIP_SIZE_MIN / FSP_EXTENT_SIZE) - * XDES_SIZE); - - ut_ad(ut_is_2pow(zip_size)); - - if (zip_size == 0) { - return(ut_2pow_round(offset, UNIV_PAGE_SIZE)); - } else { - ut_ad(zip_size > XDES_ARR_OFFSET - + (zip_size / FSP_EXTENT_SIZE) * XDES_SIZE); - return(ut_2pow_round(offset, zip_size)); - } -} - -#endif /* !UNIV_INNOCHECKSUM */ |