29 lines
899 B
Diff
29 lines
899 B
Diff
From bbc6fce3870ff7f43c87efe13247bb185817aa67 Mon Sep 17 00:00:00 2001
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From: liuzekun <liuzekun@huawei.com>
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Date: Wed, 14 Oct 2020 04:36:56 -0400
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Subject: [PATCH] do not sync if BYPAAS_SYNC is false
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Signed-off-by: liuzekun <liuzekun@huawei.com>
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---
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components/engine/pkg/devicemapper/devmapper.go | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/components/engine/pkg/devicemapper/devmapper.go b/components/engine/pkg/devicemapper/devmapper.go
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index 06ddc3e9..a5c30cb3 100644
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--- a/components/engine/pkg/devicemapper/devmapper.go
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+++ b/components/engine/pkg/devicemapper/devmapper.go
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@@ -477,7 +477,9 @@ func BlockDeviceDiscard(path string) error {
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// Without this sometimes the remove of the device that happens after
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// discard fails with EBUSY.
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- unix.Sync()
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+ if os.Getenv("DOCKER_BYPASS_SYNC_SYSCALL") != "false" {
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+ unix.Sync()
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+ }
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return nil
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}
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--
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2.19.1
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