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Commit5c215c9

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Add parens to ConvertToXSegs macro
The current definition (introduced in9a32150) is dangerous. Nobugs exist in our code at present, but backpatch to 11 nonetheless,where that commit debuted.Author: Álvaro Herrera <alvherre@alvh.no-ip.org>
1 parent35a8e22 commit5c215c9

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  • src/backend/access/transam

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‎src/backend/access/transam/xlog.c

Lines changed: 5 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -738,9 +738,12 @@ static ControlFileData *ControlFile = NULL;
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*/
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#defineUsableBytesInPage (XLOG_BLCKSZ - SizeOfXLogShortPHD)
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/* Convert min_wal_size_mb and max wal_size_mb to equivalent segment count */
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/*
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* Convert min_wal_size_mb and max wal_size_mb to equivalent segment count.
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* Rounds down.
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*/
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#defineConvertToXSegs(x,segsize)\
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(x / ((segsize) / (1024 * 1024)))
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((x) / ((segsize) / (1024 * 1024)))
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/* The number of bytes in a WAL segment usable for WAL data. */
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staticintUsableBytesInSegment;

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