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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: uoguelph.ca X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: YTBPR01MB3966.CANPRD01.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: 5e4e86ef-daca-49d4-02c2-08d85cf7dd49 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Sep 2020 23:58:11.1192 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: be62a12b-2cad-49a1-a5fa-85f4f3156a7d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: qqYpe9J0O70n0/dDPgjq+Jwaz8mobiECuGA5WsUdgnCpC4SM39YjUSnQ3t9Ckz+ziVldDDxvT6XXTbnz5cyM6g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: YT1PR01MB2331 X-Rspamd-Queue-Id: 4Bv71x49WMz3S5v X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:8075, ipnet:2a01:111:f000::/36, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Sep 2020 23:58:14 -0000 Kyle Evans wrote:=0A= [stuff snipped]=0A= >Testing on Debian I seem to get back an EINVAL, but I think it's maybe=0A= >a little surprising:=0A= >=0A= > EXDEV The files referred to by file_in and file_out are=0A= > not on the same mounted filesystem.=0A= Well, as Alan noted, Linux is not a standard and they've also changed the= =0A= semantics of copy_file_range(2) significantly since it was introduced.=0A= Here's what the most current man page I have says:=0A= EXDEV The files referred to by fd_in and fd_out are not on the same= =0A= mounted filesystem (pre Linux 5.3).=0A= Note the change as of Linux5.3. They also initially did not allow it to wor= k=0A= across multiple file systems and then changed to allowing that.=0A= --> All I could do was try and be compatible with the most up to date=0A= man page I had, which does also state:=0A= EINVAL Either fd_in or fd_out is not a regular file.=0A= =0A= So, I guess the surprising part for me is how quickly (and wthout concerns= =0A= w.r.t. backwards compatibility) the Linux kernel folk change things.;-)=0A= =0A= All part of the fun, rick=0A= =0A= Thanks,=0A= =0A= Kyle Evans=0A=