pNFS: Always update the layout stateid if NFS_LAYOUT_INVALID_STID is set

If the layout stateid is invalid, then pnfs_set_layout_stateid() must
always initialise it.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index dcccded1aeedabe428850ee35f2f9f54b6df768c..eef844785bc6920ecaf0e3696b56c74292372651 100644 (file)
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -762,7 +762,7 @@ pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, const nfs4_stateid *new,
                        bool update_barrier)
 {
        u32 oldseq, newseq, new_barrier;
-       int empty = list_empty(&lo->plh_segs);
+       bool empty = !pnfs_layout_is_valid(lo);
 
        oldseq = be32_to_cpu(lo->plh_stateid.seqid);
        newseq = be32_to_cpu(new->seqid);