BufferDesc Struct Reference

#include <buf_internals.h>

Data Fields
BufferTag	tag
int	buf_id
pg_atomic_uint64	state
int	wait_backend_pgprocno
PgAioWaitRef	io_wref
proclist_head	lock_waiters

Detailed Description

Definition at line 327 of file buf_internals.h.

Field Documentation

buf_id

int BufferDesc::buf_id

Definition at line 339 of file buf_internals.h.

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

io_wref

PgAioWaitRef BufferDesc::io_wref

Definition at line 353 of file buf_internals.h.

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

lock_waiters

proclist_head BufferDesc::lock_waiters

Definition at line 359 of file buf_internals.h.

Referenced by BufferLockDequeueSelf(), BufferLockQueueSelf(), and BufferLockWakeup().

state

pg_atomic_uint64 BufferDesc::state

Definition at line 345 of file buf_internals.h.

Referenced by buffer_readv_complete_one(), buffer_stage_common(), BufferIsDirty(), BufferIsPermanent(), BufferLockAcquire(), BufferLockAttempt(), BufferLockDequeueSelf(), BufferLockQueueSelf(), BufferLockUnlock(), BufferLockWakeup(), BufferSync(), CheckReadBuffersOperation(), create_toy_buffer(), DropRelationAllLocalBuffers(), DropRelationLocalBuffers(), EvictAllUnpinnedBuffers(), EvictRelUnpinnedBuffers(), EvictUnpinnedBufferInternal(), ExtendBufferedRelLocal(), ExtendBufferedRelShared(), FlushRelationBuffers(), GetLocalVictimBuffer(), GetVictimBuffer(), invalidate_rel_block(), InvalidateLocalBuffer(), InvalidateVictimBuffer(), LocalBufferAlloc(), LockBufHdr(), MarkBufferDirty(), MarkBufferDirtyHint(), MarkDirtyAllUnpinnedBuffers(), MarkDirtyRelUnpinnedBuffers(), MarkDirtyUnpinnedBufferInternal(), MarkLocalBufferDirty(), pg_buffercache_summary(), PinLocalBuffer(), ReadRecentBuffer(), StartLocalBufferIO(), StartReadBuffersImpl(), TerminateLocalBufferIO(), UnlockBufHdr(), UnlockBufHdrExt(), and UnpinLocalBufferNoOwner().

tag

BufferTag BufferDesc::tag

Definition at line 333 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(), MarkDirtyRelUnpinnedBuffers(), pg_buffercache_pages(), ReadRecentBuffer(), ReleaseAndReadBuffer(), shared_buffer_write_error_callback(), and SyncOneBuffer().

wait_backend_pgprocno

int BufferDesc::wait_backend_pgprocno

Definition at line 351 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