Import wiredtiger-wiredtiger-2.7.0-829-g4531b92.tar.gz from wiredtiger branch mongodb-3.4

ref: 4f38287..4531b92

SERVER-22784  Coverity analysis defect 77722: Unused value
SERVER-22831  Low query rate with heavy cache pressure and an idle collection
WT-2173       test/format cache stuck full
WT-2264       Checkpoints cannot keep up with inserts
WT-2349       Add ability to open databases read-only
WT-2376       Modules should compile without including wt_internal.h header file
WT-2382       Problem with custom collator for 'u' format with join cursor
WT-2394       Long Unit Test for test_compact02 failed.
WT-2395       Recovery failure with an LSM tree
WT-2399       Add test case that verifies cursor traversal
WT-2405       test utility error handling.
WT-2407       recovery lint
WT-2409       Minor Perf Regression in LSM
WT-2410       Casting function pointers to different types
WT-2411       LSM drop hang
WT-2412       Truncate error tag is incorrect
WT-2417       Windows Jenkins task is failing
WT-2419       Tests fail to compile on windows due to new util functions
WT-2420       LSM failed to read bytes
WT-2423       Session reference count could be wrong if adding the handle fails
WT-2425       evict-btree read through performance drop
WT-2428       Make statistics logging compatible with MongoDB
WT-2429       Add a statistic that tracks aggressive mode in eviction

1 files changed, 1 insertions, 8 deletions

diff --git a/src/third_party/wiredtiger/src/lsm/lsm_work_unit.c b/src/third_party/wiredtiger/src/lsm/lsm_work_unit.c
index 099bde176f7..7723818f607 100644
--- a/src/third_party/wiredtiger/src/lsm/lsm_work_unit.c
+++ b/src/third_party/wiredtiger/src/lsm/lsm_work_unit.c
@@ -341,20 +341,13 @@ __wt_lsm_checkpoint_chunk(WT_SESSION_IMPL *session,
 	 * time, and our checkpoint operation should be very quick.
 	 */
 	WT_ERR(__wt_meta_track_on(session));
-	F_SET(session, WT_SESSION_LOCK_NO_WAIT);
 	WT_WITH_CHECKPOINT_LOCK(session, ret,
 	    WT_WITH_SCHEMA_LOCK(session, ret,
 		ret = __wt_schema_worker(
 		session, chunk->uri, __wt_checkpoint, NULL, NULL, 0)));
 	WT_TRET(__wt_meta_track_off(session, false, ret != 0));
-	F_CLR(session, WT_SESSION_LOCK_NO_WAIT);
-	if (ret != 0) {
-		if (ret == EBUSY) {
-			ret = 0;
-			goto err;
-		}
+	if (ret != 0)
 		WT_ERR_MSG(session, ret, "LSM checkpoint");
-	}
 
 	/* Now the file is written, get the chunk size. */
 	WT_ERR(__wt_lsm_tree_set_chunk_size(session, chunk));