diff options
Diffstat (limited to 'storage/innodb_plugin/include/page0zip.h')
| -rw-r--r-- | storage/innodb_plugin/include/page0zip.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/storage/innodb_plugin/include/page0zip.h b/storage/innodb_plugin/include/page0zip.h index c860136905f..9aaa066306b 100644 --- a/storage/innodb_plugin/include/page0zip.h +++ b/storage/innodb_plugin/include/page0zip.h @@ -444,9 +444,17 @@ page_zip_calc_checksum( __attribute__((nonnull)); #ifndef UNIV_HOTBACKUP +/** Check if a pointer to an uncompressed page matches a compressed page. +@param ptr pointer to an uncompressed page frame +@param page_zip compressed page descriptor +@return TRUE if ptr and page_zip refer to the same block */ # define PAGE_ZIP_MATCH(ptr, page_zip) \ (buf_frame_get_page_zip(ptr) == (page_zip)) #else /* !UNIV_HOTBACKUP */ +/** Check if a pointer to an uncompressed page matches a compressed page. +@param ptr pointer to an uncompressed page frame +@param page_zip compressed page descriptor +@return TRUE if ptr and page_zip refer to the same block */ # define PAGE_ZIP_MATCH(ptr, page_zip) \ (page_align(ptr) + UNIV_PAGE_SIZE == (page_zip)->data) #endif /* !UNIV_HOTBACKUP */ |