PostgreSQL Source Code: BufferDesc Struct Reference

PostgreSQL Source Code git master

BufferDesc Struct Reference

#include <buf_internals.h>

Data Fields

int buf_id

pg_atomic_uint32 state

int wait_backend_pgprocno

PgAioWaitRef io_wref

LWLock content_lock

Detailed Description

Definition at line 256 of file buf_internals.h.

Field Documentation

◆ buf_id

int BufferDesc::buf_id

Definition at line 259 of file buf_internals.h.

Referenced by BufferAlloc(), BufferDescriptorGetBuffer(), BufferDescriptorGetIOCV(), and ExtendBufferedRelShared().

◆ content_lock

LWLock BufferDesc::content_lock

Definition at line 267 of file buf_internals.h.

Referenced by BufferDescriptorGetContentLock().

◆ io_wref

PgAioWaitRef BufferDesc::io_wref

Definition at line 266 of file buf_internals.h.

Referenced by buffer_stage_common(), InvalidateLocalBuffer(), StartLocalBufferIO(), and TerminateLocalBufferIO().

◆ state

pg_atomic_uint32 BufferDesc::state

Definition at line 262 of file buf_internals.h.

Referenced by buffer_readv_complete_one(), buffer_stage_common(), BufferIsDirty(), BufferIsPermanent(), BufferSync(), CheckReadBuffersOperation(), create_toy_buffer(), DropRelationAllLocalBuffers(), DropRelationLocalBuffers(), EvictAllUnpinnedBuffers(), EvictRelUnpinnedBuffers(), EvictUnpinnedBufferInternal(), ExtendBufferedRelLocal(), FlushRelationBuffers(), GetLocalVictimBuffer(), GetVictimBuffer(), invalidate_rel_block(), InvalidateLocalBuffer(), InvalidateVictimBuffer(), LocalBufferAlloc(), LockBufHdr(), MarkBufferDirty(), MarkBufferDirtyHint(), MarkLocalBufferDirty(), pg_buffercache_summary(), PinLocalBuffer(), ReadRecentBuffer(), StartLocalBufferIO(), StartReadBuffersImpl(), TerminateLocalBufferIO(), UnlockBufHdr(), and UnpinLocalBufferNoOwner().

◆ tag

BufferTag BufferDesc::tag

Definition at line 258 of file buf_internals.h.

Referenced by AbortBufferIO(), apw_dump_now(), buffer_readv_complete_one(), buffer_stage_common(), BufferAlloc(), BufferGetBlockNumber(), BufferGetTag(), BufferSync(), DropDatabaseBuffers(), DropRelationAllLocalBuffers(), DropRelationBuffers(), DropRelationLocalBuffers(), DropRelationsAllBuffers(), EvictRelUnpinnedBuffers(), ExtendBufferedRelLocal(), ExtendBufferedRelShared(), FindAndDropRelationBuffers(), FlushDatabaseBuffers(), FlushLocalBuffer(), FlushRelationBuffers(), FlushRelationsAllBuffers(), GetVictimBuffer(), InvalidateLocalBuffer(), InvalidateVictimBuffer(), local_buffer_write_error_callback(), LocalBufferAlloc(), MarkBufferDirtyHint(), pg_buffercache_pages(), ReadRecentBuffer(), ReleaseAndReadBuffer(), shared_buffer_write_error_callback(), and SyncOneBuffer().

◆ wait_backend_pgprocno

int BufferDesc::wait_backend_pgprocno

Definition at line 264 of file buf_internals.h.

Referenced by LockBufferForCleanup().

The documentation for this struct was generated from the following file:

src/include/storage/buf_internals.h

BufferDesc
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