Re: [PATCH 0/2] Fix /proc/sys/fs/nfs/nsm_use_hostnames on big endian machines

[J. Bruce Fields]

Looks good to me.  Could Chuck take it with nfsd stuff if somebody could
ACK the sysctl part?

--b.

On Tue, Aug 03, 2021 at 12:59:35PM +0200, Thomas Huth wrote:
> There is an endianess problem with /proc/sys/fs/nfs/nsm_use_hostnames
> (which can e.g. be seen on an s390x host) :
> 
>  # modprobe lockd nsm_use_hostnames=1
>  # cat /proc/sys/fs/nfs/nsm_use_hostnames
>  16777216
> 
> The nsm_use_hostnames variable is declared as "bool" which is required
> for the correct type for the module parameter. However, this does not
> work correctly with the entry in the /proc filesystem since this
> currently requires "int".
> 
> Jia He already provided patches for this problem a couple of years ago,
> but apparently they felt through the cracks and never got merged. So
> here's a rebased version to finally fix this issue.
> 
> Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1764075
> 
> Jia He (2):
>   sysctl: introduce new proc handler proc_dobool
>   lockd: change the proc_handler for nsm_use_hostnames
> 
>  fs/lockd/svc.c         |  2 +-
>  include/linux/sysctl.h |  2 ++
>  kernel/sysctl.c        | 42 ++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 45 insertions(+), 1 deletion(-)
> 
> -- 
> 2.27.0