MySQL 8.0.39
Source Code Documentation
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Struct that is embedded in the free zip blocks. More...
#include <buf0buf.h>
Public Member Functions | |
UT_LIST_NODE_T (buf_buddy_free_t) list | |
Node of zip_free list. More... | |
Public Attributes | |
union { | |
ulint size | |
size of the block More... | |
byte bytes [FIL_PAGE_DATA] | |
stamp[FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID] == BUF_BUDDY_FREE_STAMP denotes a free block. More... | |
} | stamp |
buf_page_t | bpage |
Embedded bpage descriptor. More... | |
Struct that is embedded in the free zip blocks.
buf_buddy_free_t::UT_LIST_NODE_T | ( | buf_buddy_free_t | ) |
Node of zip_free list.
buf_page_t buf_buddy_free_t::bpage |
Embedded bpage descriptor.
byte buf_buddy_free_t::bytes[FIL_PAGE_DATA] |
stamp[FIL_PAGE_ARCH_LOG_NO_OR_SPACE_ID] == BUF_BUDDY_FREE_STAMP denotes a free block.
If the space_id field of buddy block != BUF_BUDDY_FREE_STAMP, the block is not in any zip_free list. If the space_id is BUF_BUDDY_FREE_STAMP then stamp[0] will contain the buddy block size.
ulint buf_buddy_free_t::size |
size of the block
union { ... } buf_buddy_free_t::stamp |