Import wiredtiger: aadac222429faa9b20d9344e3648a19be97811b9 from branch mongodb-4.4

ref: 03c93998a7..aadac22242
for: 4.4.7

WT-6204       Possible race between backup and checkpoint at file close
WT-6362       Ensure that history store operations in user session context are correct
WT-6387       Remove unused WT_CURSTD_UPDATE_LOCAL flag
WT-6538       Fix onpage prepare visibility check if the start and stop are from the same prepared transaction
WT-6893       Disable huffman config in compatibility test
WT-6956       Cut WiredTiger 10.0.0 release
WT-7076       Data placement for tiered storage in WiredTiger
WT-7092       Reduce calls to hash URI when opening/closing cached cursors by one
WT-7105       Add recovery error messages to include the URI
WT-7133       Fix bug in stat collection when target pages are reduced due to high HS cache pressure
WT-7173       Devise object naming scheme for tiered storage
WT-7176       Adding Ubuntu 18.04 ASAN variant to wiredtiger build
WT-7185       Avoid aborting a transaction if it is force evicting and oldest
WT-7186       Correct expected in-memory abort updates in prepare scenario
WT-7190       Limit eviction of non-history store pages when checkpoint is operating on history store
WT-7191       Replace FNV hash with City hash
WT-7229       Align out of order and mixed mode handling
WT-7230       CMake build system support for x86 POSIX targets
WT-7241       Add asserts to verify if prepared transaction abort mechanism is working as expected
WT-7253       Add import functionality to test/format
WT-7264       Creating a new configuration for search near that allows it to exit quickly when searching for prefixes
WT-7266       Test to validate re-reading files that were closed with active history
WT-7281       Add metric to record total sessions scanned
WT-7282       Make backup debugging messages into verbose messages
WT-7297       Fix search_near assertion
WT-7312       Keys/Values updated to String type and save the created keys
WT-7315       Implementation of the update thread operation in the test framework
WT-7316       Adding operation throttles, and modifying component functionality to separate core loop
WT-7329       Add hook capability to Python testing
WT-7332       Add ability to cycle through create and drop tables in workgen
WT-7345       Update incorrect copyright notices format
WT-7346       Connect new API changes to local storage extension
WT-7355       Create python hooks to validate tiered cursor implementation
WT-7356       Implement bulk load for tiered tables
WT-7365       Change the configuration file format
WT-7367       Do not remove unstable updates of an in-memory database btree page
WT-7368       Add WT_STORAGE_SOURCE.customize_file_system in place of locations
WT-7374       Add missing branch checking logic for doc-update task
WT-7376       Initialize tiered cursor name
WT-7380       Fix wiredtiger connection string to clear statistics
WT-7384       Fix an assert fire when inserting to the history store
WT-7385       Remove 'auth_token' from being reconfigurable
WT-7387       Replace cluster/member with hostid
WT-7388       Add parens to assignment in conditional
WT-7389       Remove on positioned tiered cursor should leave cursor positioned
WT-7390       Add --noremove flag to Python test runner
WT-7394       Coverity analysis defect 118020: Uninitialized scalar variable
WT-7395       Coverity analysis defect 118042: Dereference after null check
WT-7400       Set WT_HS_READ_ALL flag for the search before fixing the out of order timestamps
WT-7403       Random cursor on empty tiered table loops forever
WT-7409       Remove dead code
WT-7410       Split session flags into two to accommodate more session flags in future
WT-7413       Add an option to wtperf to run a backup operation
WT-7414       Create a python test to ensure that all tables that are dropped during backup are exists in the backup
WT-7415       Add new configuration files with backup option
WT-7419       Tiered local storage changes to use WT file system
WT-7420       Tiered local storage changed to flush files to bucket directory
WT-7423       Clear checkpoint LSN and backup metadata on import
WT-7425       Fix for the -C command line option
WT-7428       Move bucket storage to tiered structure
WT-7429       Set readonly metadata when switching tiered objects
WT-7447       Fix the assert fire because onpage out of order update is not popped from the stack
WT-7453       Coverity analysis defect 119968: Continue has no effect
WT-7454       Coverity analysis defect 119967: Continue has no effect
WT-7455       Coverity analysis defect 119966: Redundant test
WT-7456       Coverity analysis defect 119965: Uninitialized pointer read
WT-7457       Coverity: fix error in local store rename
WT-7458       Coverity analysis defect 119949: Redundant test
WT-7459       Coverity analysis defect 119947: Redundant test
WT-7463       Use wt_off_t to avoid incompatible pointer types
WT-7468       Fix tiered file and object metadata configuration
WT-7474       Reset cursor-order checks whenever a search is performed
WT-7475       Update format to use the new history-store cursor type
WT-7476       Update configuration handling to allow for optional configuration settings
WT-7477       Fix coverity bug: possible NULL dereference
WT-7478       Fix coverity printf arg type to match format
WT-7481       Fix the wrong assert of disk image write gen comparison with btree base write gen
WT-7484       Coverity analysis defect 120014: Uninitialized scalar variable
WT-7485       Coverity analysis defect 120018: Resource leak
WT-7488       Coverity analysis defect 120015: Dereference after null check
WT-7489       Avoid running RTS concurrently with checkpoint
WT-7496       Add operations each tier can support to data structure
WT-7500       Refactor tiered thread start code

1 files changed, 12 insertions, 13 deletions

diff --git a/src/third_party/wiredtiger/src/include/btmem.h b/src/third_party/wiredtiger/src/include/btmem.h
index 79297af1743..24562280ac1 100644
--- a/src/third_party/wiredtiger/src/include/btmem.h
+++ b/src/third_party/wiredtiger/src/include/btmem.h
@@ -1111,14 +1111,13 @@ struct __wt_update {
     volatile uint8_t prepare_state; /* prepare state */
 
 /* AUTOMATIC FLAG VALUE GENERATION START */
-#define WT_UPDATE_BEHIND_MIXED_MODE 0x01u        /* Update that older than a mixed mode update. */
-#define WT_UPDATE_CLEARED_HS 0x02u               /* Update that cleared the history store. */
-#define WT_UPDATE_DS 0x04u                       /* Update has been written to the data store. */
-#define WT_UPDATE_HS 0x08u                       /* Update has been written to history store. */
-#define WT_UPDATE_PREPARE_RESTORED_FROM_DS 0x10u /* Prepared update restored from data store. */
-#define WT_UPDATE_RESTORED_FAST_TRUNCATE 0x20u   /* Fast truncate instantiation */
-#define WT_UPDATE_RESTORED_FROM_DS 0x40u         /* Update restored from data store. */
-#define WT_UPDATE_RESTORED_FROM_HS 0x80u         /* Update restored from history store. */
+#define WT_UPDATE_DS 0x01u                       /* Update has been written to the data store. */
+#define WT_UPDATE_FIXED_HS 0x02u                 /* Update that fixed the history store. */
+#define WT_UPDATE_HS 0x04u                       /* Update has been written to history store. */
+#define WT_UPDATE_PREPARE_RESTORED_FROM_DS 0x08u /* Prepared update restored from data store. */
+#define WT_UPDATE_RESTORED_FAST_TRUNCATE 0x10u   /* Fast truncate instantiation */
+#define WT_UPDATE_RESTORED_FROM_DS 0x20u         /* Update restored from data store. */
+#define WT_UPDATE_RESTORED_FROM_HS 0x40u         /* Update restored from history store. */
                                                  /* AUTOMATIC FLAG VALUE GENERATION STOP */
     uint8_t flags;
 
@@ -1187,17 +1186,17 @@ struct __wt_update_value {
  * avoid heap allocation, add a few additional slots to that array.
  */
 #define WT_MAX_MODIFY_UPDATE 10
-#define WT_MODIFY_VECTOR_STACK_SIZE (WT_MAX_MODIFY_UPDATE + 10)
+#define WT_UPDATE_VECTOR_STACK_SIZE 20
 
 /*
- * WT_MODIFY_VECTOR --
- * 	A resizable array for storing modify updates. The allocation strategy is similar to that of
+ * WT_UPDATE_VECTOR --
+ * 	A resizable array for storing updates. The allocation strategy is similar to that of
  *	llvm::SmallVector<T> where we keep space on the stack for the regular case but fall back to
  *	dynamic allocation as needed.
  */
-struct __wt_modify_vector {
+struct __wt_update_vector {
     WT_SESSION_IMPL *session;
-    WT_UPDATE *list[WT_MODIFY_VECTOR_STACK_SIZE];
+    WT_UPDATE *list[WT_UPDATE_VECTOR_STACK_SIZE];
     WT_UPDATE **listp;
     size_t allocated_bytes;
     size_t size;