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8375294: (fs) Files.copy can fail with EOPNOTSUPP when copy_file_range not supported

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Reviewed-by: alanb, jpai
This commit is contained in:
Brian Burkhalter 2026-01-15 19:31:11 +00:00
parent a8b845e08c
commit 30cda00010
2 changed files with 5 additions and 3 deletions
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5
src/java.base/linux/native/libnio/ch/FileDispatcherImpl.c
View File

@ -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:

3
src/java.base/linux/native/libnio/fs/LinuxNativeDispatcher.c
View File

@ -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: