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Call lfc_ensure_opened only when it is needed in lfc_change_limit_hook

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Konstantin Knizhnik
2025-02-05 21:03:24 +02:00
parent b36350b804
commit 3e8faa892a
1 changed files with 3 additions and 2 deletions
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5
pgxn/neon/file_cache.c
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@@ -336,10 +336,11 @@ lfc_change_limit_hook(int newval, void *extra)
{
uint32 new_size = SIZE_MB_TO_CHUNKS(newval);
if (!is_normal_backend())
if (!lfc_ctl || !is_normal_backend())
return;
if (!lfc_ensure_opened())
/* Open LFC file only if LFC was enabled or we are going to reenable it */
if ((newval > 0 || LFC_ENABLED()) && !lfc_ensure_opened())
return;
LWLockAcquire(lfc_lock, LW_EXCLUSIVE);