diff options
Diffstat (limited to 'src/include/storage/bufmgr.h')
| -rw-r--r-- | src/include/storage/bufmgr.h | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/include/storage/bufmgr.h b/src/include/storage/bufmgr.h index 0f5fb6be00e..b379c76e273 100644 --- a/src/include/storage/bufmgr.h +++ b/src/include/storage/bufmgr.h @@ -92,19 +92,19 @@ typedef enum ExtendBufferedFlags } ExtendBufferedFlags; /* - * To identify the relation - either relation or smgr + relpersistence has to - * be specified. Used via the EB_REL()/EB_SMGR() macros below. This allows us - * to use the same function for both crash recovery and normal operation. + * Some functions identify relations either by relation or smgr + + * relpersistence. Used via the BMR_REL()/BMR_SMGR() macros below. This + * allows us to use the same function for both recovery and normal operation. */ -typedef struct ExtendBufferedWhat +typedef struct BufferManagerRelation { Relation rel; struct SMgrRelationData *smgr; char relpersistence; -} ExtendBufferedWhat; +} BufferManagerRelation; -#define EB_REL(p_rel) ((ExtendBufferedWhat){.rel = p_rel}) -#define EB_SMGR(p_smgr, p_relpersistence) ((ExtendBufferedWhat){.smgr = p_smgr, .relpersistence = p_relpersistence}) +#define BMR_REL(p_rel) ((BufferManagerRelation){.rel = p_rel}) +#define BMR_SMGR(p_smgr, p_relpersistence) ((BufferManagerRelation){.smgr = p_smgr, .relpersistence = p_relpersistence}) /* forward declared, to avoid having to expose buf_internals.h here */ @@ -185,18 +185,18 @@ extern void CheckBufferIsPinnedOnce(Buffer buffer); extern Buffer ReleaseAndReadBuffer(Buffer buffer, Relation relation, BlockNumber blockNum); -extern Buffer ExtendBufferedRel(ExtendBufferedWhat eb, +extern Buffer ExtendBufferedRel(BufferManagerRelation bmr, ForkNumber forkNum, BufferAccessStrategy strategy, uint32 flags); -extern BlockNumber ExtendBufferedRelBy(ExtendBufferedWhat eb, +extern BlockNumber ExtendBufferedRelBy(BufferManagerRelation bmr, ForkNumber fork, BufferAccessStrategy strategy, uint32 flags, uint32 extend_by, Buffer *buffers, uint32 *extended_by); -extern Buffer ExtendBufferedRelTo(ExtendBufferedWhat eb, +extern Buffer ExtendBufferedRelTo(BufferManagerRelation bmr, ForkNumber fork, BufferAccessStrategy strategy, uint32 flags, |