diff options
Diffstat (limited to 'src/include/storage/bufmgr.h')
| -rw-r--r-- | src/include/storage/bufmgr.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/include/storage/bufmgr.h b/src/include/storage/bufmgr.h index 50c324957c3..4e2bd8866a9 100644 --- a/src/include/storage/bufmgr.h +++ b/src/include/storage/bufmgr.h @@ -36,11 +36,16 @@ typedef enum BufferAccessStrategyType typedef enum { RBM_NORMAL, /* Normal read */ - RBM_ZERO, /* Don't read from disk, caller will - * initialize */ + RBM_DO_NOT_USE, /* This used to be RBM_ZERO. Only kept for + * binary compatibility with 3rd party + * extensions. */ RBM_ZERO_ON_ERROR, /* Read, but return an all-zeros page on error */ - RBM_NORMAL_NO_LOG /* Don't log page as invalid during WAL + RBM_NORMAL_NO_LOG, /* Don't log page as invalid during WAL * replay; otherwise same as RBM_NORMAL */ + RBM_ZERO_AND_LOCK, /* Don't read from disk, caller will + * initialize. Also locks the page. */ + RBM_ZERO_AND_CLEANUP_LOCK /* Like RBM_ZERO_AND_LOCK, but locks the page + * in "cleanup" mode */ } ReadBufferMode; /* in globals.c ... this duplicates miscadmin.h */ |