diff options
Diffstat (limited to 'src/include/access/slru.h')
| -rw-r--r-- | src/include/access/slru.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/include/access/slru.h b/src/include/access/slru.h index 61fbc80ef0d..b39b43504d8 100644 --- a/src/include/access/slru.h +++ b/src/include/access/slru.h @@ -15,6 +15,7 @@ #include "access/xlogdefs.h" #include "storage/lwlock.h" +#include "storage/sync.h" /* @@ -111,10 +112,10 @@ typedef struct SlruCtlData SlruShared shared; /* - * This flag tells whether to fsync writes (true for pg_xact and multixact - * stuff, false for pg_subtrans and pg_notify). + * Which sync handler function to use when handing sync requests over to + * the checkpointer. SYNC_HANDLER_NONE to disable fsync (eg pg_notify). */ - bool do_fsync; + SyncRequestHandler sync_handler; /* * Decide which of two page numbers is "older" for truncation purposes. We @@ -135,14 +136,15 @@ typedef SlruCtlData *SlruCtl; extern Size SimpleLruShmemSize(int nslots, int nlsns); extern void SimpleLruInit(SlruCtl ctl, const char *name, int nslots, int nlsns, - LWLock *ctllock, const char *subdir, int tranche_id); + LWLock *ctllock, const char *subdir, int tranche_id, + SyncRequestHandler sync_handler); extern int SimpleLruZeroPage(SlruCtl ctl, int pageno); extern int SimpleLruReadPage(SlruCtl ctl, int pageno, bool write_ok, TransactionId xid); extern int SimpleLruReadPage_ReadOnly(SlruCtl ctl, int pageno, TransactionId xid); extern void SimpleLruWritePage(SlruCtl ctl, int slotno); -extern void SimpleLruFlush(SlruCtl ctl, bool allow_redirtied); +extern void SimpleLruWriteAll(SlruCtl ctl, bool allow_redirtied); extern void SimpleLruTruncate(SlruCtl ctl, int cutoffPage); extern bool SimpleLruDoesPhysicalPageExist(SlruCtl ctl, int pageno); @@ -151,6 +153,8 @@ typedef bool (*SlruScanCallback) (SlruCtl ctl, char *filename, int segpage, extern bool SlruScanDirectory(SlruCtl ctl, SlruScanCallback callback, void *data); extern void SlruDeleteSegment(SlruCtl ctl, int segno); +extern int SlruSyncFileTag(SlruCtl ctl, const FileTag *ftag, char *path); + /* SlruScanDirectory public callbacks */ extern bool SlruScanDirCbReportPresence(SlruCtl ctl, char *filename, int segpage, void *data); |