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-rw-r--r--src/backend/storage/buffer/bufmgr.c18
-rw-r--r--src/backend/storage/buffer/localbuf.c21
2 files changed, 22 insertions, 17 deletions
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c
index 667aa0c0c78..6afdd28dba6 100644
--- a/src/backend/storage/buffer/bufmgr.c
+++ b/src/backend/storage/buffer/bufmgr.c
@@ -3339,10 +3339,10 @@ UnpinBufferNoOwner(BufferDesc *buf)
* BufferSync -- Write out all dirty buffers in the pool.
*
* This is called at checkpoint time to write out all dirty shared buffers.
- * The checkpoint request flags should be passed in. If CHECKPOINT_IMMEDIATE
- * is set, we disable delays between writes; if CHECKPOINT_IS_SHUTDOWN,
- * CHECKPOINT_END_OF_RECOVERY or CHECKPOINT_FLUSH_ALL is set, we write even
- * unlogged buffers, which are otherwise skipped. The remaining flags
+ * The checkpoint request flags should be passed in. If CHECKPOINT_FAST is
+ * set, we disable delays between writes; if CHECKPOINT_IS_SHUTDOWN,
+ * CHECKPOINT_END_OF_RECOVERY or CHECKPOINT_FLUSH_UNLOGGED is set, we write
+ * even unlogged buffers, which are otherwise skipped. The remaining flags
* currently have no effect here.
*/
static void
@@ -3367,7 +3367,7 @@ BufferSync(int flags)
* recovery, we write all dirty buffers.
*/
if (!((flags & (CHECKPOINT_IS_SHUTDOWN | CHECKPOINT_END_OF_RECOVERY |
- CHECKPOINT_FLUSH_ALL))))
+ CHECKPOINT_FLUSH_UNLOGGED))))
mask |= BM_PERMANENT;
/*
@@ -4550,11 +4550,9 @@ DropRelationBuffers(SMgrRelation smgr_reln, ForkNumber *forkNum,
if (RelFileLocatorBackendIsTemp(rlocator))
{
if (rlocator.backend == MyProcNumber)
- {
- for (j = 0; j < nforks; j++)
- DropRelationLocalBuffers(rlocator.locator, forkNum[j],
- firstDelBlock[j]);
- }
+ DropRelationLocalBuffers(rlocator.locator, forkNum, nforks,
+ firstDelBlock);
+
return;
}
diff --git a/src/backend/storage/buffer/localbuf.c b/src/backend/storage/buffer/localbuf.c
index ba26627f7b0..3da9c41ee1d 100644
--- a/src/backend/storage/buffer/localbuf.c
+++ b/src/backend/storage/buffer/localbuf.c
@@ -660,10 +660,11 @@ InvalidateLocalBuffer(BufferDesc *bufHdr, bool check_unreferenced)
* See DropRelationBuffers in bufmgr.c for more notes.
*/
void
-DropRelationLocalBuffers(RelFileLocator rlocator, ForkNumber forkNum,
- BlockNumber firstDelBlock)
+DropRelationLocalBuffers(RelFileLocator rlocator, ForkNumber *forkNum,
+ int nforks, BlockNumber *firstDelBlock)
{
int i;
+ int j;
for (i = 0; i < NLocBuffer; i++)
{
@@ -672,12 +673,18 @@ DropRelationLocalBuffers(RelFileLocator rlocator, ForkNumber forkNum,
buf_state = pg_atomic_read_u32(&bufHdr->state);
- if ((buf_state & BM_TAG_VALID) &&
- BufTagMatchesRelFileLocator(&bufHdr->tag, &rlocator) &&
- BufTagGetForkNum(&bufHdr->tag) == forkNum &&
- bufHdr->tag.blockNum >= firstDelBlock)
+ if (!(buf_state & BM_TAG_VALID) ||
+ !BufTagMatchesRelFileLocator(&bufHdr->tag, &rlocator))
+ continue;
+
+ for (j = 0; j < nforks; j++)
{
- InvalidateLocalBuffer(bufHdr, true);
+ if (BufTagGetForkNum(&bufHdr->tag) == forkNum[j] &&
+ bufHdr->tag.blockNum >= firstDelBlock[j])
+ {
+ InvalidateLocalBuffer(bufHdr, true);
+ break;
+ }
}
}
}