0006-limit-the-minimum-size-of-rootfs-quota-to-4k.patch

From a2b92b8bd926bde5b6ba453e467b394dc5672e01 Mon Sep 17 00:00:00 2001
From: TanYiFeng <tanyifeng1@huawei.com>
Date: Tue, 16 Apr 2019 10:53:52 -0400
Subject: [PATCH 06/40] limit the minimum size of rootfs quota to 4k

Signed-off-by: TanYiFeng <tanyifeng1@huawei.com>
---
 .../github.com/containers/storage/drivers/overlay/overlay.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/vendor/github.com/containers/storage/drivers/overlay/overlay.go b/vendor/github.com/containers/storage/drivers/overlay/overlay.go
index 26467d1..62fd5ed 100644
--- a/vendor/github.com/containers/storage/drivers/overlay/overlay.go
+++ b/vendor/github.com/containers/storage/drivers/overlay/overlay.go
@@ -579,8 +579,9 @@ func (d *Driver) parseStorageOpt(storageOpt map[string]string, driver *Driver) e
 				return fmt.Errorf("Illegal storage size(%s): numerical result out of range", val)
 			}
 			// for overlay (0-1024) means no limit
-			if size < 1024 && size > 0 {
-				return fmt.Errorf("Illegal storage size:%d, 1024 at least", size)
+			// size lower than 4k may cause unusual display by command `df -h` in container
+			if size < 4096 && size > 0 {
+				return fmt.Errorf("Illegal storage size:%d, 4096 at least", size)
 			}
 			driver.options.quota.Size = uint64(size)
 		default:
-- 
2.19.1