From 30cda00010888b6e9a2bf8cdeaedbb3eb4b6a222 Mon Sep 17 00:00:00 2001 From: Brian Burkhalter Date: Thu, 15 Jan 2026 19:31:11 +0000 Subject: [PATCH] 8375294: (fs) Files.copy can fail with EOPNOTSUPP when copy_file_range not supported Reviewed-by: alanb, jpai --- src/java.base/linux/native/libnio/ch/FileDispatcherImpl.c | 5 +++-- src/java.base/linux/native/libnio/fs/LinuxNativeDispatcher.c | 3 ++- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/src/java.base/linux/native/libnio/ch/FileDispatcherImpl.c b/src/java.base/linux/native/libnio/ch/FileDispatcherImpl.c index efbd0ca5684..54d640b03a4 100644 --- a/src/java.base/linux/native/libnio/ch/FileDispatcherImpl.c +++ b/src/java.base/linux/native/libnio/ch/FileDispatcherImpl.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2024, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 2026, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -63,7 +63,7 @@ Java_sun_nio_ch_FileDispatcherImpl_transferFrom0(JNIEnv *env, jobject this, if (n < 0) { if (errno == EAGAIN) return IOS_UNAVAILABLE; - if (errno == ENOSYS) + if (errno == ENOSYS || errno == EOPNOTSUPP) return IOS_UNSUPPORTED_CASE; if ((errno == EBADF || errno == EINVAL || errno == EXDEV) && ((ssize_t)count >= 0)) @@ -103,6 +103,7 @@ Java_sun_nio_ch_FileDispatcherImpl_transferTo0(JNIEnv *env, jobject this, case EINVAL: case ENOSYS: case EXDEV: + case EOPNOTSUPP: // ignore and try sendfile() break; default: diff --git a/src/java.base/linux/native/libnio/fs/LinuxNativeDispatcher.c b/src/java.base/linux/native/libnio/fs/LinuxNativeDispatcher.c index c90e99dda07..4677411b0ba 100644 --- a/src/java.base/linux/native/libnio/fs/LinuxNativeDispatcher.c +++ b/src/java.base/linux/native/libnio/fs/LinuxNativeDispatcher.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2024, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2008, 2026, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -193,6 +193,7 @@ Java_sun_nio_fs_LinuxNativeDispatcher_directCopy0 case EINVAL: case ENOSYS: case EXDEV: + case EOPNOTSUPP: // ignore and try sendfile() break; default: