diff options
Diffstat (limited to 'storage/innobase/include/log0recv.h')
| -rw-r--r-- | storage/innobase/include/log0recv.h | 61 |
1 files changed, 20 insertions, 41 deletions
diff --git a/storage/innobase/include/log0recv.h b/storage/innobase/include/log0recv.h index a73b7279..9321a8b8 100644 --- a/storage/innobase/include/log0recv.h +++ b/storage/innobase/include/log0recv.h @@ -1,7 +1,7 @@ /***************************************************************************** Copyright (c) 1997, 2016, Oracle and/or its affiliates. All Rights Reserved. -Copyright (c) 2017, 2022, MariaDB Corporation. +Copyright (c) 2017, 2023, 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 @@ -203,22 +203,9 @@ struct page_recv_t inline void will_not_read(); }; -/** A page initialization operation that was parsed from the redo log */ -struct recv_init -{ - /** log sequence number of the page initialization */ - lsn_t lsn; - /** Whether btr_page_create() avoided a read of the page. - At the end of the last recovery batch, mark_ibuf_exist() - will mark pages for which this flag is set. */ - bool created; -}; - /** Recovery system data structure */ struct recv_sys_t { - using init= recv_init; - /** mutex protecting this as well as some of page_recv_t */ alignas(CPU_LEVEL1_DCACHE_LINESIZE) mysql_mutex_t mutex; private: @@ -273,7 +260,10 @@ private: lsn_t lsn; /** truncated size of the tablespace, or 0 if not truncated */ unsigned pages; - } truncated_undo_spaces[127]; + }; + + trunc truncated_undo_spaces[127]; + trunc truncated_sys_space; public: /** The contents of the doublewrite buffer */ @@ -299,23 +289,23 @@ public: pages_it= pages.end(); } + /** Allow to apply system tablespace truncate redo log only + if the size to be extended is lesser than current size. + @retval true To apply the truncate shrink redo log record + @retval false otherwise */ + bool check_sys_truncate(); + private: /** Attempt to initialize a page based on redo log records. @param p iterator @param mtr mini-transaction @param b pre-allocated buffer pool block - @param init page initialization + @param init_lsn page initialization @return the recovered block @retval nullptr if the page cannot be initialized based on log records @retval -1 if the page cannot be recovered due to corruption */ inline buf_block_t *recover_low(const map::iterator &p, mtr_t &mtr, - buf_block_t *b, init &init); - /** Attempt to initialize a page based on redo log records. - @param page_id page identifier - @return the recovered block - @retval nullptr if the page cannot be initialized based on log records - @retval -1 if the page cannot be recovered due to corruption */ - ATTRIBUTE_COLD buf_block_t *recover_low(const page_id_t page_id); + buf_block_t *b, lsn_t init_lsn); /** All found log files (multiple ones are possible if we are upgrading from before MariaDB Server 10.5.1) */ @@ -460,15 +450,14 @@ public: /** @return whether log file corruption was found */ bool is_corrupt_log() const { return UNIV_UNLIKELY(found_corrupt_log); } - /** Attempt to initialize a page based on redo log records. + /** Read a page or recover it based on redo log records. @param page_id page identifier - @return the recovered block - @retval nullptr if the page cannot be initialized based on log records - @retval -1 if the page cannot be recovered due to corruption */ - buf_block_t *recover(const page_id_t page_id) - { - return UNIV_UNLIKELY(recovery_on) ? recover_low(page_id) : nullptr; - } + @param mtr mini-transaction + @param err error code + @return the requested block + @retval nullptr if the page cannot be accessed due to corruption */ + ATTRIBUTE_COLD + buf_block_t *recover(const page_id_t page_id, mtr_t *mtr, dberr_t *err); /** Try to recover a tablespace that was not readable earlier @param p iterator @@ -484,16 +473,6 @@ public: /** The recovery system */ extern recv_sys_t recv_sys; -/** If the following is TRUE, the buffer pool file pages must be invalidated -after recovery and no ibuf operations are allowed; this will be set if -recv_sys.pages becomes too full, and log records must be merged -to file pages already before the recovery is finished: in this case no -ibuf operations are allowed, as they could modify the pages read in the -buffer pool before the pages have been recovered to the up-to-date state. - -TRUE means that recovery is running and no operations on the log files -are allowed yet: the variable name is misleading. */ -extern bool recv_no_ibuf_operations; /** TRUE when recv_init_crash_recovery() has been called. */ extern bool recv_needed_recovery; #ifdef UNIV_DEBUG |