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1 files changed, 8 insertions, 0 deletions
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index 8a2fecef47..650b81a2e7 100644
--- a/NEWS
+++ b/NEWS
@@ -36,6 +36,14 @@ Major new features:
Deprecated and removed features, and other changes affecting compatibility:
+* The copy_file_range function fails with ENOSYS if the kernel does not
+ support the system call of the same name. Previously, user space
+ emulation was performed, but its behavior did not match the kernel
+ behavior, which was deemed too confusing. Applications which use the
+ copy_file_range function will have to be run on kernels which implement
+ the copy_file_range system call. Support for most architectures was added
+ in version 4.5 of the mainline Linux kernel.
+
* The functions clock_gettime, clock_getres, clock_settime,
clock_getcpuclockid, clock_nanosleep were removed from the librt library
for new applications (on architectures which had them). Instead, the