Import wiredtiger: 48a3cbc17fa902528217287fd075c87efb44aebc from branch mongodb-3.6

ref: 8d23249433..48a3cbc17f
for: 3.5.2

SERVER-16796  Increase logging activity for journal recovery operations
WT-2          What does metadata look like?
WT-2402       Misaligned structure accesses lead to undefined behavior
WT-2771       Add a statistic to track per-btree dirty cache usage
WT-2833       improvement: add projections to wt dump utility
WT-2898       Improve performance of eviction-heavy workloads by dynamically controlling the number of eviction threads
WT-2994       Create documentation describing page sizes and relationships
WT-3080       Python test suite: add timestamp or elapsed time for tests
WT-3082       Python test suite: shorten default run to avoid pull request timeouts.
WT-3083       Fix a bug in wtperf config dump
WT-3086       Add transaction state information to cache stuck diagnostic information
WT-3091       Add stats to test_perf0001
WT-3092       Quiet a warning from autogen.sh
WT-3093       Padding the WT_RWLOCK structure grew the WT_PAGE structure.
WT-3099       lint: static function declarations, non-text characters in documentation
WT-3100       test bug: format is weighted to delete, insert, then write operations.
WT-3104       Fix wtperf configs for eviction tests
WT-3105       Fix a deadlock caused by allocating eviction thread sessions dynamically
WT-3106       Add truncate support to command line wt utility
WT-3108       Also dump disk page size as part of metadata information
WT-3109       wording fix in transaction doc
WT-3110       Add more test cases for the WT command line utility
WT-3112       Handle list lock statistic not incremented in eviction server
WT-3114       Avoid archiving log files immediately after recovery
WT-3116       Python style testing in s_all may not execute correctly
WT-3118       Protect random-abort test against unexpectedly slow child start
WT-3121       In test suite create standard way to load extensions
WT-3127       bug: CPU yield calls don't necessarily imply memory barriers
WT-3134       Coverity scan reports 1368529 and 1368528

1 files changed, 2 insertions, 2 deletions

diff --git a/src/third_party/wiredtiger/src/include/txn.h b/src/third_party/wiredtiger/src/include/txn.h
index 12fc2a0a5b7..7e802c188ab 100644
--- a/src/third_party/wiredtiger/src/include/txn.h
+++ b/src/third_party/wiredtiger/src/include/txn.h
@@ -92,7 +92,7 @@ struct __wt_txn_global {
 	 * Prevents the oldest ID moving forwards while threads are scanning
 	 * the global transaction state.
 	 */
-	WT_RWLOCK *scan_rwlock;
+	WT_RWLOCK scan_rwlock;
 
 	/*
 	 * Track information about the running checkpoint. The transaction
@@ -114,7 +114,7 @@ struct __wt_txn_global {
 	volatile uint64_t metadata_pinned;	/* Oldest ID for metadata */
 
 	/* Named snapshot state. */
-	WT_RWLOCK *nsnap_rwlock;
+	WT_RWLOCK nsnap_rwlock;
 	volatile uint64_t nsnap_oldest_id;
 	TAILQ_HEAD(__wt_nsnap_qh, __wt_named_snapshot) nsnaph;