From: Jeff Layton <jlayton@xxxxxxxxxx> Currently admins set this by using unshare to create a new uts namespace, and then resetting the hostname. With the new netlink interface we can just pass this in directly. Prepare nfsd_svc for this change. Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx> Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> --- fs/nfsd/nfsctl.c | 2 +- fs/nfsd/nfsd.h | 2 +- fs/nfsd/nfssvc.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 2fe78b802f98..34148d73b6c1 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -405,7 +405,7 @@ static ssize_t write_threads(struct file *file, char *buf, size_t size) return -EINVAL; trace_nfsd_ctl_threads(net, newthreads); mutex_lock(&nfsd_mutex); - rv = nfsd_svc(newthreads, net, file->f_cred); + rv = nfsd_svc(newthreads, net, file->f_cred, NULL); mutex_unlock(&nfsd_mutex); if (rv < 0) return rv; diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h index 16c5a05f340e..2f6c6f3815b4 100644 --- a/fs/nfsd/nfsd.h +++ b/fs/nfsd/nfsd.h @@ -103,7 +103,7 @@ bool nfssvc_encode_voidres(struct svc_rqst *rqstp, /* * Function prototypes. */ -int nfsd_svc(int nrservs, struct net *net, const struct cred *cred); +int nfsd_svc(int nrservs, struct net *net, const struct cred *cred, const char *scope); int nfsd_dispatch(struct svc_rqst *rqstp); int nfsd_nrthreads(struct net *); diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index ca193f7ff0e1..e25b9b829749 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -769,7 +769,7 @@ int nfsd_set_nrthreads(int n, int *nthreads, struct net *net) * this is the first time nrservs is nonzero. */ int -nfsd_svc(int nrservs, struct net *net, const struct cred *cred) +nfsd_svc(int nrservs, struct net *net, const struct cred *cred, const char *scope) { int error; struct nfsd_net *nn = net_generic(net, nfsd_net_id); @@ -786,7 +786,7 @@ nfsd_svc(int nrservs, struct net *net, const struct cred *cred) if (nrservs == 0 && nn->nfsd_serv == NULL) goto out; - strscpy(nn->nfsd_name, utsname()->nodename, + strscpy(nn->nfsd_name, scope ? scope : utsname()->nodename, sizeof(nn->nfsd_name)); error = nfsd_create_serv(net); -- 2.44.0