syncthing/lib/fs/filesystem_copy_range_allwithfallback.go
2020-06-18 22:32:26 +01:00

22 lines
769 B
Go

// Copyright (C) 2019 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package fs
func init() {
registerCopyRangeImplementation(CopyRangeMethodAllWithFallback, copyRangeAllWithFallback)
}
func copyRangeAllWithFallback(src, dst File, srcOffset, dstOffset, size int64) error {
var err error
for _, method := range []CopyRangeMethod{CopyRangeMethodIoctl, CopyRangeMethodCopyFileRange, CopyRangeMethodSendFile, CopyRangeMethodDuplicateExtents, CopyRangeMethodStandard} {
if err = CopyRange(method, src, dst, srcOffset, dstOffset, size); err == nil {
return nil
}
}
return err
}