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/*------------------------------------------------------------------------- * * bufmask.h * Definitions for buffer masking routines, used to mask certain bits * in a page which can be different when the WAL is generated * and when the WAL is applied. This is really the job of each * individual rmgr, but we make things easier by providing some * common routines to handle cases which occur in multiple rmgrs. * * Portions Copyright (c) 2016-2023, PostgreSQL Global Development Group * * src/include/access/bufmask.h * *------------------------------------------------------------------------- */ #ifndef BUFMASK_H #define BUFMASK_H #include "storage/block.h" #include "storage/bufmgr.h" /* Marker used to mask pages consistently */ #define MASK_MARKER 0 extern void mask_page_lsn_and_checksum(Page page); extern void mask_page_hint_bits(Page page); extern void mask_unused_space(Page page); extern void mask_lp_flags(Page page); extern void mask_page_content(Page page); #endif