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49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"context"
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"io"
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"github.com/minio/minio/cmd/logger"
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)
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// Heal heals the shard files on non-nil writers. Note that the quorum passed is 1
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// as healing should continue even if it has been successful healing only one shard file.
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func (e Erasure) Heal(ctx context.Context, readers []*bitrotReader, writers []*bitrotWriter, size int64) error {
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r, w := io.Pipe()
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go func() {
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if err := e.Decode(ctx, w, readers, 0, size, size); err != nil {
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w.CloseWithError(err)
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return
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}
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w.Close()
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}()
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buf := make([]byte, e.blockSize)
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// quorum is 1 because CreateFile should continue writing as long as we are writing to even 1 disk.
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n, err := e.Encode(ctx, r, writers, buf, 1)
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if err != nil {
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return err
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}
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if n != size {
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logger.LogIf(ctx, errLessData)
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return errLessData
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}
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return nil
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}
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