These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / fs / nfs / direct.c

diff --git a/kernel/fs/nfs/direct.c b/kernel/fs/nfs/direct.c
index 38678d9..4b1d08f 100644 (file)
--- a/kernel/fs/nfs/direct.c
+++ b/kernel/fs/nfs/direct.c
@@ -166,8 +166,11 @@ nfs_direct_select_verf(struct nfs_direct_req *dreq,
        struct nfs_writeverf *verfp = &dreq->verf;
 
 #ifdef CONFIG_NFS_V4_1
-       if (ds_clp) {
-               /* pNFS is in use, use the DS verf */
+       /*
+        * pNFS is in use, use the DS verf except commit_through_mds is set
+        * for layout segment where nbuckets is zero.
+        */
+       if (ds_clp && dreq->ds_cinfo.nbuckets > 0) {
                if (commit_idx >= 0 && commit_idx < dreq->ds_cinfo.nbuckets)
                        verfp = &dreq->ds_cinfo.buckets[commit_idx].direct_verf;
                else