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Diffstat (limited to 'src/backend/access/transam/xlog.c')
| -rw-r--r-- | src/backend/access/transam/xlog.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index e285ae96c1e..18b4d11bd03 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -744,9 +744,12 @@ static ControlFileData *ControlFile = NULL; */ #define UsableBytesInPage (XLOG_BLCKSZ - SizeOfXLogShortPHD) -/* Convert min_wal_size_mb and max wal_size_mb to equivalent segment count */ +/* + * Convert min_wal_size_mb and max wal_size_mb to equivalent segment count. + * Rounds down. + */ #define ConvertToXSegs(x, segsize) \ - (x / ((segsize) / (1024 * 1024))) + ((x) / ((segsize) / (1024 * 1024))) /* The number of bytes in a WAL segment usable for WAL data. */ static int UsableBytesInSegment; |