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Fix obsolete nbtree page reuse FSM comment.

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Oversight in commit d088ba5a.
This commit is contained in:
Peter Geoghegan
2024-11-12 22:09:00 -05:00
parent 93063e2e42
commit 3be30d0075
1 changed files with 3 additions and 3 deletions
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6
src/backend/access/nbtree/nbtxlog.c
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@@ -982,9 +982,9 @@ btree_xlog_newroot(XLogReaderState *record)
* As far as any backend operating during original execution is concerned, the
* FSM is a cache of recycle-safe pages; the mere presence of the page in the
* FSM indicates that the page must already be safe to recycle (actually,
* _bt_getbuf() verifies it's safe using BTPageIsRecyclable(), but that's just
* because it would be unwise to completely trust the FSM, given its current
* limitations).
* _bt_allocbuf() verifies it's safe using BTPageIsRecyclable(), but that's
* just because it would be unwise to completely trust the FSM, given its
* current limitations).
*
* This isn't sufficient to prevent similar concurrent recycling race
* conditions during Hot Standby, though. For that we need to log a