tree 879cd76d750e315e647f08f58d65fc69abfbbbcc
parent 745947434342b5ae8b8147849561c5fff4b0d82b
author LongPing Wei <weilongping@huawei.com> 1647398335 +0800
committer Rob Landley <rob@landley.net> 1647526217 -0500

Enable copy_file_range when it is available.

Fallback to read+write when copy_file_range failed, as both fd_in and fd_out must refer to regular files.

Signed-off-by: LongPing Wei <weilongping@huawei.com>