diff options
Diffstat (limited to 'src/backend/storage/buffer/bufmgr.c')
| -rw-r--r-- | src/backend/storage/buffer/bufmgr.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c index 1ac603e68df..285617678a1 100644 --- a/src/backend/storage/buffer/bufmgr.c +++ b/src/backend/storage/buffer/bufmgr.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/buffer/bufmgr.c,v 1.150 2003/12/20 22:18:02 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/storage/buffer/bufmgr.c,v 1.151 2004/01/07 18:56:27 neilc Exp $ * *------------------------------------------------------------------------- */ @@ -372,7 +372,7 @@ BufferAlloc(Relation reln, * it to disk. Remember to unlock BufMgrLock while doing the IOs. */ inProgress = FALSE; - for (buf = (BufferDesc *) NULL; buf == (BufferDesc *) NULL;) + for (buf = NULL; buf == NULL;) { buf = StrategyGetBuffer(); @@ -399,7 +399,7 @@ BufferAlloc(Relation reln, if ((buf->flags & BM_IO_ERROR) != 0) { UnpinBuffer(buf); - buf = (BufferDesc *) NULL; + buf = NULL; continue; } @@ -440,7 +440,7 @@ BufferAlloc(Relation reln, buf->flags &= ~BM_IO_IN_PROGRESS; TerminateBufferIO(buf); UnpinBuffer(buf); - buf = (BufferDesc *) NULL; + buf = NULL; } else { @@ -476,7 +476,7 @@ BufferAlloc(Relation reln, buf->flags &= ~BM_IO_IN_PROGRESS; TerminateBufferIO(buf); UnpinBuffer(buf); - buf = (BufferDesc *) NULL; + buf = NULL; } /* @@ -799,7 +799,7 @@ BufferSync(int percent, int maxpages) bufHdr->flags &= ~BM_JUST_DIRTIED; LWLockRelease(BufMgrLock); - if (reln == (Relation) NULL) + if (reln == NULL) { status = smgrblindwrt(DEFAULT_SMGR, bufHdr->tag.rnode, @@ -849,7 +849,7 @@ BufferSync(int percent, int maxpages) LWLockRelease(BufMgrLock); /* drop refcnt obtained by RelationNodeCacheGetRelation */ - if (reln != (Relation) NULL) + if (reln != NULL) RelationDecrementReferenceCount(reln); } @@ -1105,7 +1105,7 @@ BufferReplace(BufferDesc *bufHdr) reln = RelationNodeCacheGetRelation(bufHdr->tag.rnode); - if (reln != (Relation) NULL) + if (reln != NULL) { status = smgrwrite(DEFAULT_SMGR, reln, bufHdr->tag.blockNum, @@ -1119,7 +1119,7 @@ BufferReplace(BufferDesc *bufHdr) } /* drop relcache refcnt incremented by RelationNodeCacheGetRelation */ - if (reln != (Relation) NULL) + if (reln != NULL) RelationDecrementReferenceCount(reln); /* Pop the error context stack */ @@ -1949,7 +1949,7 @@ LockBufferForCleanup(Buffer buffer) * Note : We assume that nested buffer IO never occur. * i.e at most one io_in_progress lock is held per proc. */ -static BufferDesc *InProgressBuf = (BufferDesc *) NULL; +static BufferDesc *InProgressBuf = NULL; static bool IsForInput; /* @@ -1991,7 +1991,7 @@ TerminateBufferIO(BufferDesc *buf) { Assert(buf == InProgressBuf); LWLockRelease(buf->io_in_progress_lock); - InProgressBuf = (BufferDesc *) NULL; + InProgressBuf = NULL; } /* @@ -2016,7 +2016,7 @@ ContinueBufferIO(BufferDesc *buf, bool forInput) void InitBufferIO(void) { - InProgressBuf = (BufferDesc *) NULL; + InProgressBuf = NULL; } #endif |