|
Server : Apache System : Linux ecngx264.inmotionhosting.com 4.18.0-553.77.1.lve.el8.x86_64 #1 SMP Wed Oct 8 14:21:00 UTC 2025 x86_64 User : lonias5 ( 3576) PHP Version : 7.3.33 Disable Function : NONE Directory : /proc/self/root/proc/thread-self/root/opt/imh-python/include/pgsql/server/storage/ |
Upload File : |
/*------------------------------------------------------------------------- * * md.h * magnetic disk storage manager public interface declarations. * * * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/storage/md.h * *------------------------------------------------------------------------- */ #ifndef MD_H #define MD_H #include "storage/block.h" #include "storage/relfilenode.h" #include "storage/smgr.h" #include "storage/sync.h" /* md storage manager functionality */ extern void mdinit(void); extern void mdopen(SMgrRelation reln); extern void mdclose(SMgrRelation reln, ForkNumber forknum); extern void mdcreate(SMgrRelation reln, ForkNumber forknum, bool isRedo); extern bool mdexists(SMgrRelation reln, ForkNumber forknum); extern void mdunlink(RelFileNodeBackend rnode, ForkNumber forknum, bool isRedo); extern void mdextend(SMgrRelation reln, ForkNumber forknum, BlockNumber blocknum, char *buffer, bool skipFsync); extern bool mdprefetch(SMgrRelation reln, ForkNumber forknum, BlockNumber blocknum); extern void mdread(SMgrRelation reln, ForkNumber forknum, BlockNumber blocknum, char *buffer); extern void mdwrite(SMgrRelation reln, ForkNumber forknum, BlockNumber blocknum, char *buffer, bool skipFsync); extern void mdwriteback(SMgrRelation reln, ForkNumber forknum, BlockNumber blocknum, BlockNumber nblocks); extern BlockNumber mdnblocks(SMgrRelation reln, ForkNumber forknum); extern void mdtruncate(SMgrRelation reln, ForkNumber forknum, BlockNumber nblocks); extern void mdimmedsync(SMgrRelation reln, ForkNumber forknum); extern void ForgetDatabaseSyncRequests(Oid dbid); extern void DropRelationFiles(RelFileNode *delrels, int ndelrels, bool isRedo); /* md sync callbacks */ extern int mdsyncfiletag(const FileTag *ftag, char *path); extern int mdunlinkfiletag(const FileTag *ftag, char *path); extern bool mdfiletagmatches(const FileTag *ftag, const FileTag *candidate); #endif /* MD_H */