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Fix cache locking to use local namespace locking (#8529)

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Harshavardhana 2019-11-16 13:44:28 -08:00 committed by GitHub
parent c9be601988
commit a8e156d6a5
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2 changed files with 13 additions and 8 deletions
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11
cmd/disk-cache.go
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@ -71,6 +71,9 @@ type cacheObjects struct {
// mutex to protect migration bool
migMutex sync.Mutex
// nsMutex namespace lock
nsMutex *nsLockMap
// Object functions pointing to the corresponding functions of backend implementation.
NewNSLockFn func(ctx context.Context, bucket, object string) RWLocker
GetObjectNInfoFn func(ctx context.Context, bucket, object string, rs *HTTPRangeSpec, h http.Header, lockType LockType, opts ObjectOptions) (gr *GetObjectReader, err error)
@ -566,9 +569,7 @@ func newServerCacheObjects(ctx context.Context, config cache.Config) (CacheObjec
exclude: config.Exclude,
migrating: migrateSw,
migMutex: sync.Mutex{},
NewNSLockFn: func(ctx context.Context, bucket, object string) RWLocker {
return globalObjectAPI.NewNSLock(ctx, bucket, object)
},
nsMutex: newNSLock(false),
GetObjectInfoFn: func(ctx context.Context, bucket, object string, opts ObjectOptions) (ObjectInfo, error) {
return newObjectLayerFn().GetObjectInfo(ctx, bucket, object, opts)
},
@ -589,6 +590,10 @@ func newServerCacheObjects(ctx context.Context, config cache.Config) (CacheObjec
return newObjectLayerFn().PutObject(ctx, bucket, object, data, opts)
},
}
c.NewNSLockFn = func(ctx context.Context, bucket, object string) RWLocker {
return c.nsMutex.NewNSLock(ctx, nil, bucket, object)
}
if migrateSw {
go c.migrateCacheFromV1toV2(ctx)
}

10
cmd/gateway-main.go
View File

@ -291,6 +291,11 @@ func StartGateway(ctx *cli.Context, gw Gateway) {
// - compression
verifyObjectLayerFeatures("gateway "+gatewayName, newObject)
// Disable safe mode operation, after all initialization is over.
globalObjLayerMutex.Lock()
globalSafeMode = false
globalObjLayerMutex.Unlock()
// Prints the formatted startup message once object layer is initialized.
if !globalCLIContext.Quiet {
mode := globalMinioModeGatewayPrefix + gatewayName
@ -306,11 +311,6 @@ func StartGateway(ctx *cli.Context, gw Gateway) {
printGatewayStartupMessage(getAPIEndpoints(), gatewayName)
}
// Disable safe mode operation, after all initialization is over.
globalObjLayerMutex.Lock()
globalSafeMode = false
globalObjLayerMutex.Unlock()
// Set uptime time after object layer has initialized.
globalBootTime = UTCNow()