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Convert macros to static inline functions (buf_internals.h)

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Dilip Kumar, reviewed by Vignesh C, Ashutosh Sharma, and me.

Discussion: http://postgr.es/m/CAFiTN-tYbM7D+2UGiNc2kAFMSQTa5FTeYvmg-Vj2HvPdVw2Gvg@mail.gmail.com
This commit is contained in:
Robert Haas
2022-07-27 13:54:37 -04:00
parent 03361a368e
commit 3ac88fddd9
4 changed files with 110 additions and 74 deletions
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16
src/backend/storage/buffer/bufmgr.c
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@ -515,7 +515,7 @@ PrefetchSharedBuffer(SMgrRelation smgr_reln,
Assert(BlockNumberIsValid(blockNum));
/* create a tag so we can lookup the buffer */
INIT_BUFFERTAG(newTag, smgr_reln->smgr_rlocator.locator,
InitBufferTag(&newTag, &smgr_reln->smgr_rlocator.locator,
forkNum, blockNum);
/* determine its hash code and partition lock ID */
@ -632,7 +632,7 @@ ReadRecentBuffer(RelFileLocator rlocator, ForkNumber forkNum, BlockNumber blockN
ResourceOwnerEnlargeBuffers(CurrentResourceOwner);
ReservePrivateRefCountEntry();
INIT_BUFFERTAG(tag, rlocator, forkNum, blockNum);
InitBufferTag(&tag, &rlocator, forkNum, blockNum);
if (BufferIsLocal(recent_buffer))
{
@ -642,7 +642,7 @@ ReadRecentBuffer(RelFileLocator rlocator, ForkNumber forkNum, BlockNumber blockN
buf_state = pg_atomic_read_u32(&bufHdr->state);
/* Is it still valid and holding the right tag? */
if ((buf_state & BM_VALID) && BUFFERTAGS_EQUAL(tag, bufHdr->tag))
if ((buf_state & BM_VALID) && BufferTagsEqual(&tag, &bufHdr->tag))
{
/*
* Bump buffer's ref and usage counts. This is equivalent of
@ -679,7 +679,7 @@ ReadRecentBuffer(RelFileLocator rlocator, ForkNumber forkNum, BlockNumber blockN
else
buf_state = LockBufHdr(bufHdr);
if ((buf_state & BM_VALID) && BUFFERTAGS_EQUAL(tag, bufHdr->tag))
if ((buf_state & BM_VALID) && BufferTagsEqual(&tag, &bufHdr->tag))
{
/*
* It's now safe to pin the buffer. We can't pin first and ask
@ -1134,7 +1134,7 @@ BufferAlloc(SMgrRelation smgr, char relpersistence, ForkNumber forkNum,
uint32 buf_state;
/* create a tag so we can lookup the buffer */
INIT_BUFFERTAG(newTag, smgr->smgr_rlocator.locator, forkNum, blockNum);
InitBufferTag(&newTag, &smgr->smgr_rlocator.locator, forkNum, blockNum);
/* determine its hash code and partition lock ID */
newHash = BufTableHashCode(&newTag);
@ -1517,7 +1517,7 @@ retry:
buf_state = LockBufHdr(buf);
/* If it's changed while we were waiting for lock, do nothing */
if (!BUFFERTAGS_EQUAL(buf->tag, oldTag))
if (!BufferTagsEqual(&buf->tag, &oldTag))
{
UnlockBufHdr(buf, buf_state);
LWLockRelease(oldPartitionLock);
@ -1549,7 +1549,7 @@ retry:
* linear scans of the buffer array don't think the buffer is valid.
*/
oldFlags = buf_state & BUF_FLAG_MASK;
CLEAR_BUFFERTAG(buf->tag);
ClearBufferTag(&buf->tag);
buf_state &= ~(BUF_FLAG_MASK | BUF_USAGECOUNT_MASK);
UnlockBufHdr(buf, buf_state);
@ -3365,7 +3365,7 @@ FindAndDropRelationBuffers(RelFileLocator rlocator, ForkNumber forkNum,
uint32 buf_state;
/* create a tag so we can lookup the buffer */
INIT_BUFFERTAG(bufTag, rlocator, forkNum, curBlock);
InitBufferTag(&bufTag, &rlocator, forkNum, curBlock);
/* determine its hash code and partition lock ID */
bufHash = BufTableHashCode(&bufTag);