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devicemapper: fix suspend removed device

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when doing devices.cancelDeferredRemoval, the device could have been removed
and return ErrEnxio, but it continue to check if it is need to do suspend.
doSuspend := devinfo != nil && devinfo.Exists != 0 uses a devinfo which is
get before devices.cancelDeferredRemoval(baseInfo), it is outdate, the device
has been removed and there is no need to do suspend. If do suspend it will return
devicemapper: Error running deviceSuspend dm_task_run failed.

Signed-off-by: Lei Jitang <leijitang@huawei.com>
Upstream-commit: 6e25bb2ed6560baec4b13930e673c88f1b49de34
Component: engine
This commit is contained in:
Lei Jitang
2017-03-01 21:58:14 +08:00
parent ea150996ac
commit 3da961cb82
1 changed files with 1 additions and 0 deletions
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1
components/engine/daemon/graphdriver/devmapper/deviceset.go
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@@ -858,6 +858,7 @@ func (devices *DeviceSet) takeSnapshot(hash string, baseInfo *devInfo, size uint
if err != devicemapper.ErrEnxio {
return err
}
devinfo = nil
} else {
defer devices.deactivateDevice(baseInfo)
}