nfsd4: show layout stateids

These are also minimal for now, I'm not sure what information would be
useful.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index e457bb099d0b7c38d4bf89014e40cbab53944a80..e1936d3b7ece308fef354f3b39c868e4733e0ead 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2398,6 +2398,24 @@ static int nfs4_show_deleg(struct seq_file *s, struct nfs4_stid *st)
        return 0;
 }
 
+static int nfs4_show_layout(struct seq_file *s, struct nfs4_stid *st)
+{
+       struct nfs4_layout_stateid *ls;
+       struct file *file;
+
+       ls = container_of(st, struct nfs4_layout_stateid, ls_stid);
+       file = ls->ls_file;
+
+       seq_printf(s, "- 0x%16phN: { type: layout, ", &st->sc_stateid);
+
+       /* XXX: What else would be useful? */
+
+       nfs4_show_superblock(s, file);
+       seq_printf(s, " }\n");
+
+       return 0;
+}
+
 static int states_show(struct seq_file *s, void *v)
 {
        struct nfs4_stid *st = v;
@@ -2409,6 +2427,8 @@ static int states_show(struct seq_file *s, void *v)
                return nfs4_show_lock(s, st);
        case NFS4_DELEG_STID:
                return nfs4_show_deleg(s, st);
+       case NFS4_LAYOUT_STID:
+               return nfs4_show_layout(s, st);
        default:
                return 0; /* XXX: or SEQ_SKIP? */
        }