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PGPRO-5646: remove compiler warning (gcc 11.2.0) #11

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Merged
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Oct 22, 2021
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PGPRO-5646: remove compiler warning (gcc 11.2.0) #11

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12 changes: 11 additions & 1 deletion engine.c
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Original file line numberDiff line numberDiff line change
Expand Up@@ -394,7 +394,17 @@ ptrackCheckpoint(void)
*
* Write both magic and varsion_num at once.
*/
ptrack_write_chunk(ptrack_tmp_fd, &crc, (char *) &ptrack_map->magic,

/*
* Previously we read from the field magic, now we read from the beginning
* of the structure PtrackMapHdr. Make sure nothing has changed since then.
*/
StaticAssertStmt(
offsetof(PtrackMapHdr, magic) == 0,
"old write format for PtrackMapHdr.magic and PtrackMapHdr.version_num "
"is not upward-compatible");

ptrack_write_chunk(ptrack_tmp_fd, &crc, (char *) ptrack_map,
offsetof(PtrackMapHdr, init_lsn));

init_lsn = pg_atomic_read_u64(&ptrack_map->init_lsn);
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