MergeProcess: cache syncfs libc library lookup

1 files changed, 6 insertions, 0 deletions

diff --git a/pym/portage/dbapi/_MergeProcess.py b/pym/portage/dbapi/_MergeProcess.py
index 829a3d7ce..9be68d3f5 100644
--- a/pym/portage/dbapi/_MergeProcess.py
+++ b/pym/portage/dbapi/_MergeProcess.py
@@ -10,6 +10,7 @@ import errno
 import fcntl
 import portage
 from portage import os, _unicode_decode
+from portage.dbapi.vartree import _get_syncfs
 import portage.elog.messages
 from portage.util._async.ForkProcess import ForkProcess
 
@@ -40,6 +41,11 @@ class MergeProcess(ForkProcess):
 			settings.reset()
 			settings.setcpv(cpv, mydb=self.mydbapi)
 
+		# This caches the libc library lookup in the current
+		# process, so that it's only done once rather than
+		# for each child process.
+		_get_syncfs()
+
 		# Inherit stdin by default, so that the pdb SIGUSR1
 		# handler is usable for the subprocess.
 		if self.fd_pipes is None: