From 1c2de4774620469375e6393fbdbcdaffb0c2d0b5 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Sat, 16 Oct 2004 18:05:07 +0000 Subject: Remove BufferLocks[] array in favor of a single pointer to the buffer (if any) currently waited for by LockBufferForCleanup(), which is all that we were using it for anymore. Saves some space and eliminates proportional-to-NBuffers slowdown in UnlockBuffers(). --- src/backend/storage/buffer/buf_init.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'src/backend/storage/buffer/buf_init.c') diff --git a/src/backend/storage/buffer/buf_init.c b/src/backend/storage/buffer/buf_init.c index 5b727c9a222..a0d7054623c 100644 --- a/src/backend/storage/buffer/buf_init.c +++ b/src/backend/storage/buffer/buf_init.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/buffer/buf_init.c,v 1.68 2004/08/29 05:06:47 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/storage/buffer/buf_init.c,v 1.69 2004/10/16 18:05:06 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -20,9 +20,7 @@ BufferDesc *BufferDescriptors; Block *BufferBlockPointers; - -int32 *PrivateRefCount; /* also used in freelist.c */ -bits8 *BufferLocks; /* flag bits showing locks I have set */ +int32 *PrivateRefCount; /* statistics counters */ long int ReadBufferCount; @@ -177,7 +175,6 @@ InitBufferPoolAccess(void) sizeof(*BufferBlockPointers)); PrivateRefCount = (int32 *) calloc(NBuffers, sizeof(*PrivateRefCount)); - BufferLocks = (bits8 *) calloc(NBuffers, sizeof(*BufferLocks)); /* * Convert shmem offsets into addresses as seen by this process. This -- cgit v1.2.3