Update docs about an old constraint of os.copy_file_range

python · vstinner · Jun 8, 2022 · May 24, 2022 · May 24, 2022 · May 24, 2022
commit c57e76f0d70d702ec252b7f9ae03d6633b4a71d9
diff --git a/Doc/library/os.rst b/Doc/library/os.rst
@@ -798,7 +798,9 @@ as internal buffering of data.
    Copy *count* bytes from file descriptor *src*, starting from offset
    *offset_src*, to file descriptor *dst*, starting from offset *offset_dst*.
    If *offset_src* is None, then *src* is read from the current position;
-   respectively for *offset_dst*. The files pointed by *src* and *dst*
+   respectively for *offset_dst*.
+
+   In Linux kernel older than 5.3, the files pointed by *src* and *dst*
    must reside in the same filesystem, otherwise an :exc:`OSError` is
    raised with :attr:`~OSError.errno` set to :data:`errno.EXDEV`.