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DescriptionJ. Bruce Fields
2019-12-13 21:44:00 UTC
The NFS protocol doesn't allow COPY to and from the same file, but the copy_file_range() system call does allow that. We need to return a reasonable error in that case. Upstream NFS is returning EOPNOTSUPP, so the vfs falls back to splice. In RHEL7 that fallback is being removed to fix bug 1736794, so we need to return ENOSYS.
Do you have information if this is going to make it to CentOS Streams before next minor release? Trying to explore options to avoid 6 months wait time as it's blocking upgrading now. Thanks!
Customers with RHEL subscription and access to the rhel-7-server-htb-rpms
channel (not sure what needs to be full filled to get that) should have
access to kernel-3.10.0-1149.el7 and kernel-3.10.0-1152.el7 which would
also include the patch (but we would not recommend these for production
systems).
Sorry, unsure about the centos stream release policy. While Fedora bug-
zilla is nicely integrated with RHEL bugzilla, it's hard for me to
identify which efforts are underway for centos stream.
Indeed, normal Centos minor releases are typically weeks after the
upstream/rhel release.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (Important: kernel security, bug fix, and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2020:4060