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[23.0 backport] d/graphdriver/copy: support src fs w/o xattr support #45465

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merged 1 commit into from May 4, 2023
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[23.0 backport] d/graphdriver/copy: support src fs w/o xattr support #45465

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6 changes: 6 additions & 0 deletions daemon/graphdriver/copy/copy.go
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Expand Up @@ -5,6 +5,7 @@ package copy // import "github.com/docker/docker/daemon/graphdriver/copy"

import (
"container/list"
"errors"
"fmt"
"io"
"os"
Expand Down Expand Up @@ -90,6 +91,11 @@ func legacyCopy(srcFile io.Reader, dstFile io.Writer) error {
func copyXattr(srcPath, dstPath, attr string) error {
data, err := system.Lgetxattr(srcPath, attr)
if err != nil {
if errors.Is(err, syscall.EOPNOTSUPP) {
// Task failed successfully: there is no xattr to copy
// if the source filesystem doesn't support xattrs.
return nil
}
return err
}
if data != nil {
Expand Down