docker/patch/0202-docker-rollback-if-docker-restart-when-doing-BlkDiscard.patch
2022-06-28 16:29:12 +08:00

56 lines
2.3 KiB
Diff

From b7634618332c2d0ca7b59a4d63467c0038918ef0 Mon Sep 17 00:00:00 2001
From: WangFengTu <wangfengtu@huawei.com>
Date: Thu, 1 Apr 2021 15:03:20 +0800
Subject: [PATCH] rollback if docker restart when doing BlkDiscard
Signed-off-by: WangFengTu <wangfengtu@huawei.com>
---
.../daemon/graphdriver/devmapper/deviceset.go | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/components/engine/daemon/graphdriver/devmapper/deviceset.go b/components/engine/daemon/graphdriver/devmapper/deviceset.go
index 750f2b13..9b6cb021 100644
--- a/components/engine/daemon/graphdriver/devmapper/deviceset.go
+++ b/components/engine/daemon/graphdriver/devmapper/deviceset.go
@@ -2007,14 +2007,7 @@ func (devices *DeviceSet) markForDeferredDeletion(info *devInfo) error {
}
// Should be called with devices.Lock() held.
-func (devices *DeviceSet) deleteTransaction(info *devInfo, syncDelete bool) error {
- if err := devices.openTransaction(info.Hash, info.DeviceID); err != nil {
- logrus.WithField("storage-driver", "devicemapper").Debugf("Error opening transaction hash = %s deviceId = %d", "", info.DeviceID)
- return err
- }
-
- defer devices.closeTransaction()
-
+func (devices *DeviceSet) deleteDeviceNoLock(info *devInfo, syncDelete bool) error {
err := devicemapper.DeleteDevice(devices.getPoolDevName(), info.DeviceID)
if err != nil {
// If syncDelete is true, we want to return error. If deferred
@@ -2078,6 +2071,12 @@ func (devices *DeviceSet) issueDiscard(info *devInfo) error {
// Should be called with devices.Lock() held.
func (devices *DeviceSet) deleteDevice(info *devInfo, syncDelete bool) error {
+ if err := devices.openTransaction(info.Hash, info.DeviceID); err != nil {
+ logrus.WithField("storage-driver", "devicemapper").Debugf("Error opening transaction hash = %s deviceId = %d", "", info.DeviceID)
+ return err
+ }
+ defer devices.closeTransaction()
+
if devices.doBlkDiscard {
if err := devices.issueDiscard(info); err != nil {
return err
@@ -2099,7 +2098,7 @@ func (devices *DeviceSet) deleteDevice(info *devInfo, syncDelete bool) error {
return err
}
- return devices.deleteTransaction(info, syncDelete)
+ return devices.deleteDeviceNoLock(info, syncDelete)
}
// DeleteDevice will return success if device has been marked for deferred
--
2.25.1