diff options
Diffstat (limited to 'src/backend/storage')
| -rw-r--r-- | src/backend/storage/freespace/freespace.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/backend/storage/freespace/freespace.c b/src/backend/storage/freespace/freespace.c index 724e87fa204..10cca029d10 100644 --- a/src/backend/storage/freespace/freespace.c +++ b/src/backend/storage/freespace/freespace.c @@ -8,7 +8,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/freespace/freespace.c,v 1.65 2008/10/31 15:05:00 heikki Exp $ + * $PostgreSQL: pgsql/src/backend/storage/freespace/freespace.c,v 1.66 2008/10/31 19:40:27 heikki Exp $ * * * NOTES: @@ -203,6 +203,36 @@ RecordPageWithFreeSpace(Relation rel, BlockNumber heapBlk, Size spaceAvail) } /* + * XLogRecordPageWithFreeSpace - like RecordPageWithFreeSpace, for use in + * WAL replay + */ +void +XLogRecordPageWithFreeSpace(RelFileNode rnode, BlockNumber heapBlk, + Size spaceAvail) +{ + int new_cat = fsm_space_avail_to_cat(spaceAvail); + FSMAddress addr; + uint16 slot; + BlockNumber blkno; + Buffer buf; + Page page; + + /* Get the location of the FSM byte representing the heap block */ + addr = fsm_get_location(heapBlk, &slot); + blkno = fsm_logical_to_physical(addr); + + /* If the page doesn't exist already, extend */ + buf = XLogReadBufferExtended(rnode, FSM_FORKNUM, blkno, RBM_ZERO_ON_ERROR); + page = BufferGetPage(buf); + if (PageIsNew(page)) + PageInit(page, BLCKSZ, 0); + + if (fsm_set_avail(page, slot, new_cat)) + MarkBufferDirty(buf); + UnlockReleaseBuffer(buf); +} + +/* * GetRecordedFreePage - return the amount of free space on a particular page, * according to the FSM. */ |