diff options
Diffstat (limited to 'src/backend/storage/smgr/smgr.c')
| -rw-r--r-- | src/backend/storage/smgr/smgr.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/backend/storage/smgr/smgr.c b/src/backend/storage/smgr/smgr.c index a6610bf4f82..be89ee6d919 100644 --- a/src/backend/storage/smgr/smgr.c +++ b/src/backend/storage/smgr/smgr.c @@ -165,17 +165,34 @@ smgropen(RelFileNode rnode, BackendId backend) reln->smgr_targblock = InvalidBlockNumber; reln->smgr_fsm_nblocks = InvalidBlockNumber; reln->smgr_vm_nblocks = InvalidBlockNumber; + reln->smgr_transient = false; reln->smgr_which = 0; /* we only have md.c at present */ /* mark it not open */ for (forknum = 0; forknum <= MAX_FORKNUM; forknum++) reln->md_fd[forknum] = NULL; } + else + /* if it was transient before, it no longer is */ + reln->smgr_transient = false; return reln; } /* + * smgrsettransient() -- mark an SMgrRelation object as transaction-bound + * + * The main effect of this is that all opened files are marked to be + * kernel-level closed (but not necessarily VFD-closed) when the current + * transaction ends. + */ +void +smgrsettransient(SMgrRelation reln) +{ + reln->smgr_transient = true; +} + +/* * smgrsetowner() -- Establish a long-lived reference to an SMgrRelation object * * There can be only one owner at a time; this is sufficient since currently |