b=11063

i=green,vitaly
this patch reverses
	https://bugzilla.lustre.org/attachment.cgi?id=7933
	https://bugzilla.lustre.org/attachment.cgi?id=7882
	https://bugzilla.lustre.org/attachment.cgi?id=15831
and replaces them with setting mtime to past under extent lock

sanity test (39c) is added to check original problem
i=adilger,grev

diff --git a/lustre/obdclass/lprocfs_status.c b/lustre/obdclass/lprocfs_status.c
index 4409db4..7fcb81e 100644 (file)
--- a/lustre/obdclass/lprocfs_status.c
+++ b/lustre/obdclass/lprocfs_status.c
@@ -1230,6 +1230,7 @@ void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats)
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_async_flags);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, teardown_async_page);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, merge_lvb);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, update_lvb);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, adjust_kms);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, punch);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, sync);