diff options
| -rw-r--r-- | library/std/src/sys/unix/fs.rs | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/library/std/src/sys/unix/fs.rs b/library/std/src/sys/unix/fs.rs index acb18e6d064..bcdc36a516e 100644 --- a/library/std/src/sys/unix/fs.rs +++ b/library/std/src/sys/unix/fs.rs @@ -1162,7 +1162,7 @@ pub fn copy(from: &Path, to: &Path) -> io::Result<u64> { }; if let Err(ref copy_err) = copy_result { match copy_err.raw_os_error() { - Some(libc::ENOSYS) | Some(libc::EPERM) => { + Some(libc::ENOSYS) | Some(libc::EPERM) | Some(libc::EOPNOTSUPP) => { HAS_COPY_FILE_RANGE.store(false, Ordering::Relaxed); } _ => {} @@ -1180,11 +1180,13 @@ pub fn copy(from: &Path, to: &Path) -> io::Result<u64> { if os_err == libc::ENOSYS || os_err == libc::EXDEV || os_err == libc::EINVAL - || os_err == libc::EPERM => + || os_err == libc::EPERM + || os_err == libc::EOPNOTSUPP => { // Try fallback io::copy if either: // - Kernel version is < 4.5 (ENOSYS) // - Files are mounted on different fs (EXDEV) + // - copy_file_range is broken in various ways on RHEL/CentOS 7 (EOPNOTSUPP) // - copy_file_range is disallowed, for example by seccomp (EPERM) // - copy_file_range cannot be used with pipes or device nodes (EINVAL) assert_eq!(written, 0); |