tdb2: use magic freetable value rather than different magic for coalescing

[ccan-lca-2011.git] / ccan / tdb2 / private.h

diff --git a/ccan/tdb2/private.h b/ccan/tdb2/private.h
index 232229f5e912d076cbbdc337ea43c4ccb032ef8a..b77d70c3ce6b0afa47eec11e2838a4cbbf4284ca 100644 (file)
--- a/ccan/tdb2/private.h
+++ b/ccan/tdb2/private.h
@@ -36,6 +36,7 @@
 #include "config.h"
 #include <ccan/tdb2/tdb2.h>
 #include <ccan/likely/likely.h>
+#include <ccan/compiler/compiler.h>
 #ifdef HAVE_BYTESWAP_H
 #include <byteswap.h>
 #endif
@@ -65,7 +66,6 @@ typedef uint64_t tdb_off_t;
 #define TDB_VERSION ((uint64_t)(0x26011967 + 7))
 #define TDB_MAGIC ((uint64_t)0x1999)
 #define TDB_FREE_MAGIC ((uint64_t)0xFE)
-#define TDB_COALESCING_MAGIC ((uint64_t)0xFD)
 #define TDB_HASH_MAGIC (0xA1ABE11A01092008ULL)
 #define TDB_RECOVERY_MAGIC (0xf53bc0e7ad124589ULL)
 #define TDB_RECOVERY_INVALID_MAGIC (0x0ULL)
@@ -116,6 +116,9 @@ typedef uint64_t tdb_off_t;
 #define TDB_MIN_DATA_LEN       \
        (sizeof(struct tdb_free_record) - sizeof(struct tdb_used_record))
 
+/* Indicates this entry is not on an flist (can happen during coalescing) */
+#define TDB_FLIST_NONE ((1ULL << TDB_OFF_UPPER_STEAL) - 1)
+
 #if !HAVE_BSWAP_64
 static inline uint64_t bswap_64(uint64_t x)
 {
@@ -308,8 +311,8 @@ struct tdb_context {
        uint32_t flags;
 
        /* Logging function */
-       tdb_logfn_t log;
-       void *log_priv;
+       tdb_logfn_t logfn;
+       void *log_private;
 
        /* Hash function. */
        tdb_hashfn_t khash;
@@ -328,7 +331,7 @@ struct tdb_context {
 
        /* Lock information */
        struct tdb_lock_type allrecord_lock;
-       uint64_t num_lockrecs;
+       size_t num_lockrecs;
        struct tdb_lock_type *lockrecs;
 
        struct tdb_attribute_stats *stats;
@@ -529,6 +532,12 @@ int next_in_hash(struct tdb_context *tdb, int ltype,
 int tdb_transaction_recover(struct tdb_context *tdb);
 bool tdb_needs_recovery(struct tdb_context *tdb);
 
+/* tdb.c: */
+void COLD tdb_logerr(struct tdb_context *tdb,
+                    enum TDB_ERROR ecode,
+                    enum tdb_debug_level level,
+                    const char *fmt, ...);
+
 #ifdef TDB_TRACE
 void tdb_trace(struct tdb_context *tdb, const char *op);
 void tdb_trace_seqnum(struct tdb_context *tdb, uint32_t seqnum, const char *op);