On reconnect, cap and dentry releases are dropped and the fields that follow must be reencoded into the freed space. Currently these are timestamp and gid_list, but gid_list isn't reencoded. This results in failed to decode message of type 24 v4: End of buffer errors on the MDS. While at it, make a change to encode gid_list unconditionally, without regard to what head/which version was used as a result of checking whether CEPH_FEATURE_FS_BTIME is supported or not. URL: https://tracker.ceph.com/issues/48618 Fixes: 4f1ddb1ea874 ("ceph: implement updated ceph_mds_request_head structure") Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Jeff Layton <jlayton@kernel.org>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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