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Correct several behavior descriptions in comments.

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Reuse cautionary language from src/test/ssl/README in
src/test/kerberos/README.  SLRUs have had access to six-character
segments names since commit 73c986adde,
and recovery stopped calling HeapTupleHeaderAdvanceLatestRemovedXid() in
commit 558a9165e0.  The other corrections
are more self-evident.
This commit is contained in:
Noah Misch
2020-08-15 20:21:52 -07:00
parent db659a3416
commit 676a9c3cc4
12 changed files with 36 additions and 50 deletions
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2
src/backend/storage/buffer/bufmgr.c
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@ -3578,7 +3578,7 @@ IncrBufferRefCount(Buffer buffer)
* This is essentially the same as MarkBufferDirty, except:
*
* 1. The caller does not write WAL; so if checksums are enabled, we may need
* to write an XLOG_FPI WAL record to protect against torn pages.
* to write an XLOG_FPI_FOR_HINT WAL record to protect against torn pages.
* 2. The caller might have only share-lock instead of exclusive-lock on the
* buffer's content lock.
* 3. This function does not guarantee that the buffer is always marked dirty