[PATCH v2 02/12] nfsd: print 64-bit timestamps in client_info_show

From: Arnd Bergmann
Date: Fri Dec 13 2019 - 09:11:19 EST


The nii_time field gets truncated to 'time_t' on 32-bit architectures
before printing.

Remove the use of 'struct timespec' to product the correct output
beyond 2038.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
fs/nfsd/nfs4state.c | 5 ++---
fs/nfsd/state.h | 2 +-
2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index bfdb3366239c..27a629cc5a46 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2292,7 +2292,7 @@ static int client_info_show(struct seq_file *m, void *v)
clp->cl_nii_domain.len);
seq_printf(m, "\nImplementation name: ");
seq_quote_mem(m, clp->cl_nii_name.data, clp->cl_nii_name.len);
- seq_printf(m, "\nImplementation time: [%ld, %ld]\n",
+ seq_printf(m, "\nImplementation time: [%lld, %ld]\n",
clp->cl_nii_time.tv_sec, clp->cl_nii_time.tv_nsec);
}
drop_client(clp);
@@ -2946,8 +2946,7 @@ static __be32 copy_impl_id(struct nfs4_client *clp,
xdr_netobj_dup(&clp->cl_nii_name, &exid->nii_name, GFP_KERNEL);
if (!clp->cl_nii_name.data)
return nfserr_jukebox;
- clp->cl_nii_time.tv_sec = exid->nii_time.tv_sec;
- clp->cl_nii_time.tv_nsec = exid->nii_time.tv_nsec;
+ clp->cl_nii_time = exid->nii_time;
return 0;
}

diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index d61b83b9654c..2b4165cd1d3e 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -320,7 +320,7 @@ struct nfs4_client {
/* NFSv4.1 client implementation id: */
struct xdr_netobj cl_nii_domain;
struct xdr_netobj cl_nii_name;
- struct timespec cl_nii_time;
+ struct timespec64 cl_nii_time;

/* for v4.0 and v4.1 callbacks: */
struct nfs4_cb_conn cl_cb_conn;
--
2.20.0