From 6e94871086ef8ae41fdc38f65089751657d6a0c3 Mon Sep 17 00:00:00 2001
From: Euan Kemp <euan.kemp@coreos.com>
Date: Wed, 18 Jan 2017 16:18:36 -0800
Subject: [PATCH] Ignore spurious filesystem changes

---
 fs/fs.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/fs.go b/fs/fs.go
index 5b9f3f2243..dfa5ec12c8 100644
--- a/fs/fs.go
+++ b/fs/fs.go
@@ -495,6 +495,10 @@ func GetDirInodeUsage(dir string, timeout time.Duration) (uint64, error) {
 	inodes := map[uint64]struct{}{}
 
 	err = filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+		if os.IsNotExist(err) {
+			// expected if files appear/vanish
+			return nil
+		}
 		if err != nil {
 			return fmt.Errorf("unable to count inodes for part of dir %s: %s", dir, err)
 		}