[PATCH] prserv/db: Avoid fsync() calls

[Richard Purdie <richard.purdie@linuxfoundation.org>]

If the power were to fail, it doesn't matter to us much if the data
makes it to disk or not, we'd have other problems. However an fsync()
call on a multi build autobuilder is painful so lets avoid them.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
diff --git a/bitbake/lib/prserv/db.py b/bitbake/lib/prserv/db.py
index 86eafe3..49f36da 100644
--- a/bitbake/lib/prserv/db.py
+++ b/bitbake/lib/prserv/db.py
@@ -220,6 +220,7 @@ class PRData(object):
                 raise e
         self.connection=sqlite3.connect(self.filename, isolation_level="EXCLUSIVE", check_same_thread = False)
         self.connection.row_factory=sqlite3.Row
+        self.connection.execute("pragma synchronous = off;")
         self._tables={}
 
     def __del__(self):