diff options
Diffstat (limited to 'src/backend/storage/page/bufpage.c')
| -rw-r--r-- | src/backend/storage/page/bufpage.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/src/backend/storage/page/bufpage.c b/src/backend/storage/page/bufpage.c index d2ea38bdabc..8d788b56ae4 100644 --- a/src/backend/storage/page/bufpage.c +++ b/src/backend/storage/page/bufpage.c @@ -61,6 +61,17 @@ PageInit(Page page, Size pageSize, Size specialSize) /* * PageIsVerified + * Utility wrapper for PageIsVerifiedExtended(). + */ +bool +PageIsVerified(Page page, BlockNumber blkno) +{ + return PageIsVerifiedExtended(page, blkno, PIV_LOG_WARNING); +} + + +/* + * PageIsVerifiedExtended * Check that the page header and checksum (if any) appear valid. * * This is called when a page has just been read in from disk. The idea is @@ -76,9 +87,12 @@ PageInit(Page page, Size pageSize, Size specialSize) * allow zeroed pages here, and are careful that the page access macros * treat such a page as empty and without free space. Eventually, VACUUM * will clean up such a page and make it usable. + * + * If flag PIV_LOG_WARNING is set, a WARNING is logged in the event of + * a checksum failure. */ bool -PageIsVerified(Page page, BlockNumber blkno) +PageIsVerifiedExtended(Page page, BlockNumber blkno, int flags) { PageHeader p = (PageHeader) page; size_t *pagebytes; @@ -146,10 +160,11 @@ PageIsVerified(Page page, BlockNumber blkno) */ if (checksum_failure) { - ereport(WARNING, - (errcode(ERRCODE_DATA_CORRUPTED), - errmsg("page verification failed, calculated checksum %u but expected %u", - checksum, p->pd_checksum))); + if ((flags & PIV_LOG_WARNING) != 0) + ereport(WARNING, + (errcode(ERRCODE_DATA_CORRUPTED), + errmsg("page verification failed, calculated checksum %u but expected %u", + checksum, p->pd_checksum))); if (header_sane && ignore_checksum_failure) return true; |