diff options
Diffstat (limited to 'src/include/storage/freespace.h')
| -rw-r--r-- | src/include/storage/freespace.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/include/storage/freespace.h b/src/include/storage/freespace.h index 8b000334382..dbaae651c58 100644 --- a/src/include/storage/freespace.h +++ b/src/include/storage/freespace.h @@ -18,15 +18,20 @@ #include "storage/relfilenode.h" #include "utils/relcache.h" +/* Only create the FSM if the heap has greater than this many blocks */ +#define HEAP_FSM_CREATION_THRESHOLD 4 + /* prototypes for public functions in freespace.c */ extern Size GetRecordedFreeSpace(Relation rel, BlockNumber heapBlk); -extern BlockNumber GetPageWithFreeSpace(Relation rel, Size spaceNeeded); +extern BlockNumber GetPageWithFreeSpace(Relation rel, Size spaceNeeded, + bool check_fsm_only); extern BlockNumber RecordAndGetPageWithFreeSpace(Relation rel, BlockNumber oldPage, Size oldSpaceAvail, Size spaceNeeded); extern void RecordPageWithFreeSpace(Relation rel, BlockNumber heapBlk, - Size spaceAvail); + Size spaceAvail, BlockNumber nblocks); +extern void FSMClearLocalMap(void); extern void XLogRecordPageWithFreeSpace(RelFileNode rnode, BlockNumber heapBlk, Size spaceAvail); |