Import wiredtiger: af735d14a603a6ef6256a6685f09ec13755a5024 from branch mongodb-3.6

ref: cc2f15f595..af735d14a6
for: 3.5.6

SERVER-28168  Cannot start or repair mongodb after unexpected shutdown.
SERVER-28194  Missing WiredTiger.turtle file loses data
WT-2439       Enhance reconciliation page layout
WT-2978       Make WiredTiger python binding pip-compatible
WT-2990       Fix a new bug where checkpoint load live_open failed
WT-3136       bug fix: WiredTiger doesn't check sprintf calls for error return
WT-3155       Remove WT_CONN_SERVER_RUN flag
WT-3182       Switch make-check to run the short test suite by default
WT-3190       Enhance eviction thread auto-tuning algorithm
WT-3191       Fix lint complaints
WT-3193       Close a race between verify opening a handle and eviction visiting it
WT-3196       Race with LSM and eviction when switching chunks
WT-3199       bug: eviction assertion failure
WT-3202       wtperf report an error on in_memory=true mode : No such file or directory
WT-3203       bulk-load state changes can race
WT-3204       eviction changes cost LSM performance
WT-3206       bug: core dump on NULL page index
WT-3207       Drops with checkpoint_wait=false should not wait for checkpoints
WT-3208       test format hung with 9mb cache
WT-3211       WT_CURSOR.remove cannot always retain its position.
WT-3212       'wt dump' crashes when given table with unknown collator
WT-3213       generated test/format CONFIG invalid on next run
WT-3216       add support for clang-tidy
WT-3218       unexpected checkpoint ordering failures
WT-3224       LSM assertion failure pindex->entries == 1
WT-3225       WiredTiger won't build with clang on CentOS 7.3.1611
WT-3227       Python test suite inserts unnecessary whitespace in error output.
WT-3228       Remove with overwrite shouldn't return WT_NOTFOUND
WT-3234       Update WiredTiger build for clang 4.0.
WT-3238       Java: Cursor.compare and Cursor.equals throw Exceptions for valid return values
WT-3240       Coverity reports
WT-3243       Reorder log slot release so joins don't wait on IO
WT-3244       Metadata operations failing in in-memory configurations when the cache is full
WT-98         Update the current cursor value without a search

1 files changed, 4 insertions, 6 deletions

diff --git a/src/third_party/wiredtiger/src/async/async_api.c b/src/third_party/wiredtiger/src/async/async_api.c
index 026a008188c..b9cc995f5a5 100644
--- a/src/third_party/wiredtiger/src/async/async_api.c
+++ b/src/third_party/wiredtiger/src/async/async_api.c
@@ -338,17 +338,15 @@ __wt_async_reconfig(WT_SESSION_IMPL *session, const char *cfg[])
 	 * 2. If async is off, and the user wants it on, start it.
 	 * 3. If not a toggle and async is off, we're done.
 	 */
-	if (conn->async_cfg && !run) {
-		/* Case 1 */
+	if (conn->async_cfg && !run) {			/* Case 1 */
 		WT_TRET(__wt_async_flush(session));
 		ret = __wt_async_destroy(session);
 		conn->async_cfg = false;
 		return (ret);
-	} else if (!conn->async_cfg && run)
-		/* Case 2 */
+	}
+	if (!conn->async_cfg && run)			/* Case 2 */
 		return (__async_start(session));
-	else if (!conn->async_cfg)
-		/* Case 3 */
+	if (!conn->async_cfg)				/* Case 3 */
 		return (0);
 
 	/*