diff --git a/src/stasis/io/debug.c b/src/stasis/io/debug.c
index 92856d6..5511b50 100644
--- a/src/stasis/io/debug.c
+++ b/src/stasis/io/debug.c
@@ -154,7 +154,8 @@ struct stasis_handle_t debug_func = {
   /*.async_force =*/ NULL,
   /*.force_range =*/ debug_force_range,
   /*.fallocate =*/ NULL,
-  /*.error =*/ 0
+  /*.error =*/ 0,
+  /*.impl =*/ 0
 };
 
 
diff --git a/src/stasis/io/file.c b/src/stasis/io/file.c
index 3688ce0..127654e 100644
--- a/src/stasis/io/file.c
+++ b/src/stasis/io/file.c
@@ -480,7 +480,8 @@ struct stasis_handle_t file_func = {
   /*.async_force =*/ file_async_force,
   /*.force_range =*/ file_force_range,
   /*.fallocate =*/ file_fallocate,
-  /*.error =*/ 0
+  /*.error =*/ 0,
+  /*.impl =*/ 0
 };
 
 stasis_handle_t * stasis_handle(open_file)(const char * filename, int flags, int mode) {
diff --git a/src/stasis/io/memory.c b/src/stasis/io/memory.c
index 0101581..c98b89c 100644
--- a/src/stasis/io/memory.c
+++ b/src/stasis/io/memory.c
@@ -181,7 +181,8 @@ struct stasis_handle_t mem_func = {
   /*.async_force =*/ mem_force,
   /*.force_range =*/ mem_force_range,
   /*.fallocate =*/ NULL,
-  /*.error =*/ 0
+  /*.error =*/ 0,
+  /*.impl =*/ 0
 };
 
 stasis_handle_t * stasis_handle(open_memory)(void) {
diff --git a/src/stasis/io/non_blocking.c b/src/stasis/io/non_blocking.c
index 8e53977..716df48 100644
--- a/src/stasis/io/non_blocking.c
+++ b/src/stasis/io/non_blocking.c
@@ -600,7 +600,8 @@ struct stasis_handle_t nbw_func = {
   /*.async_force =*/ NULL,
   /*.force_range =*/ nbw_force_range,
   /*.fallocate =*/ NULL,
-  /*.error =*/ 0
+  /*.error =*/ 0,
+  /*.impl =*/ 0
 };
 
 /**
diff --git a/src/stasis/io/pfile.c b/src/stasis/io/pfile.c
index 877a23d..f3d2b9f 100644
--- a/src/stasis/io/pfile.c
+++ b/src/stasis/io/pfile.c
@@ -412,7 +412,8 @@ static struct stasis_handle_t pfile_func = {
   /*.async_force =*/ pfile_async_force,
   /*.force_range =*/ pfile_force_range,
   /*.fallocate =*/ pfile_fallocate,
-  /*.error =*/ 0
+  /*.error =*/ 0,
+  /*.impl =*/ 0
 };
 
 stasis_handle_t *stasis_handle(open_pfile)(const char *filename,
diff --git a/src/stasis/io/raid0.c b/src/stasis/io/raid0.c
index b9e51b7..1fcb74e 100644
--- a/src/stasis/io/raid0.c
+++ b/src/stasis/io/raid0.c
@@ -187,7 +187,8 @@ struct stasis_handle_t raid0_func = {
   /*.async_force =*/ raid0_async_force,
   /*.force_range =*/ raid0_force_range,
   /*.fallocate =*/ raid0_fallocate,
-  /*.error =*/ 0
+  /*.error =*/ 0,
+  /*.impl =*/ 0
 };
 
 stasis_handle_t * stasis_handle_open_raid0(int handle_count, stasis_handle_t** h, uint32_t stripe_size) {
diff --git a/src/stasis/io/raid1.c b/src/stasis/io/raid1.c
index e8aba90..4bab4ed 100644
--- a/src/stasis/io/raid1.c
+++ b/src/stasis/io/raid1.c
@@ -145,7 +145,8 @@ struct stasis_handle_t raid1_func = {
   /*.async_force =*/ raid1_async_force,
   /*.force_range =*/ raid1_force_range,
   /*.fallocate =*/ raid1_fallocate,
-  /*.error =*/ 0
+  /*.error =*/ 0,
+  /*.impl =*/ 0
 };
 
 stasis_handle_t * stasis_handle_open_raid1(stasis_handle_t* a, stasis_handle_t* b) {
diff --git a/src/stasis/logger/filePool.c b/src/stasis/logger/filePool.c
index 605fc16..927b7bb 100644
--- a/src/stasis/logger/filePool.c
+++ b/src/stasis/logger/filePool.c
@@ -751,6 +751,8 @@ stasis_log_t* stasis_log_file_pool_open(const char* dirname, int filemode, int f
     stasis_log_file_pool_truncation_point,
     stasis_log_file_pool_close,
     0,//stasis_log_file_pool_is_durable,
+    0,//group force
+    0 //impl
   };
   memcpy(ret, &proto, sizeof(proto));
   ret->impl = fp;
diff --git a/src/stasis/logger/inMemoryLog.c b/src/stasis/logger/inMemoryLog.c
index 8482be4..2faacd3 100644
--- a/src/stasis/logger/inMemoryLog.c
+++ b/src/stasis/logger/inMemoryLog.c
@@ -219,7 +219,9 @@ stasis_log_t* stasis_log_impl_in_memory_open(void) {
     stasis_log_impl_in_memory_truncate,
     stasis_log_impl_in_memory_truncation_point,
     stasis_log_impl_in_memory_close,
-    stasis_log_impl_in_memory_is_durable
+    stasis_log_impl_in_memory_is_durable,
+    0,// group_force
+    0 // void* impl
   };
   stasis_log_t* log = stasis_alloc(stasis_log_t);
   memcpy(log,&proto, sizeof(proto));
diff --git a/src/stasis/logger/logger2.c b/src/stasis/logger/logger2.c
index 6d8d63c..2400e0d 100644
--- a/src/stasis/logger/logger2.c
+++ b/src/stasis/logger/logger2.c
@@ -99,7 +99,11 @@ static lsn_t stasis_log_write_prepare(stasis_log_t* log, stasis_transaction_tabl
 LogEntry * stasis_log_write_update(stasis_log_t* log, stasis_transaction_table_entry_t * l,
                                    pageid_t page, Page * p, unsigned int op,
                                    const byte * arg, size_t arg_size) {
-  stasis_transaction_table_entry_t dummy = { -1, -1, INVALID_LSN, INVALID_LSN, {0,0,0}, -1 };
+  stasis_transaction_table_entry_t dummy = { -1, -1, INVALID_LSN, INVALID_LSN, {0,0,0}, -1
+#ifndef HAVE_GCC_ATOMICS
+		  , PTHREAD_MUTEX_INITIALIZER
+#endif
+  };
   if(l == 0) { l = &dummy; }
 
   LogEntry * e = allocUpdateLogEntry(log, l->prevLSN, l->xid, op,
diff --git a/src/stasis/logger/safeWrites.c b/src/stasis/logger/safeWrites.c
index e51326f..0c93c7b 100644
--- a/src/stasis/logger/safeWrites.c
+++ b/src/stasis/logger/safeWrites.c
@@ -838,6 +838,8 @@ stasis_log_t* stasis_log_safe_writes_open(const char * filename,
     firstLogEntry_LogWriter,// truncation_point
     close_LogWriter, // deinit
     isDurable_LogWriter, // is_durable
+    0,// group force
+    0 // impl
   };
 
   stasis_log_safe_writes_state * sw = stasis_alloc(stasis_log_safe_writes_state);
diff --git a/stasis/experimental/compression/staticMulticolumn.h b/stasis/experimental/compression/staticMulticolumn.h
index c81866a..f151225 100644
--- a/stasis/experimental/compression/staticMulticolumn.h
+++ b/stasis/experimental/compression/staticMulticolumn.h
@@ -639,25 +639,29 @@ class StaticMulticolumn {
 */
 static const page_impl static_multicolumn_impl = {
   -1,
+  0,  // has header
   0,  // multicolumnRead,
-  0,       // multicolumnWrite,
+  0,  // multicolumnWrite,
   0,  // multicolumnReadDone,
-  0,       // multicolumnWriteDone,
+  0,  // multicolumnWriteDone,
   0,  // multicolumnGetType,
   0,  // multicolumnSetType,
   0,  // multicolumnGetLength,
   0,  // multicolumnFirst,
   0,  // multicolumnNext,
+  0,  // multicolumnLast,
   0,  // multicolumnIsBlockSupported,
   0,  // multicolumnBlockFirst,
   0,  // multicolumnBlockNext,
   0,  // multicolumnBlockDone,
   0,  // multicolumnFreespace,
-  0,       // multicolumnCompact,
-  0,       // multicolumnPreRalloc,
-  0,       // multicolumnPostRalloc,
-  0,       // multicolumnFree,
-  0,       // dereference_identity,
+  0,  // multicolumnCompact,
+  0,  // multicolumnCompactSlotIDs,
+  0,  // multicolumnPreRalloc,
+  0,  // multicolumnPostRalloc,
+  0,  // multicolumnSplice,
+  0,  // multicolumnFree,
+  0,  // dereference_identity,
   0,  // multicolumnLoaded,
   0,  // multicolumnFlushed
   0,  // multicolumnCleanup