diff mbox series

[11/12] nfsd4: show layout stateids

Message ID 1557969619-17157-14-git-send-email-bfields@redhat.com (mailing list archive)
State New, archived
Headers show
Series exposing knfsd state to userspace | expand

Commit Message

Bruce Fields May 16, 2019, 1:20 a.m. UTC 
From: "J. Bruce Fields" <bfields@redhat.com>

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

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---
 fs/nfsd/nfs4state.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
diff mbox series

Patch

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 652e0544e058..e36c6e64e448 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2383,6 +2383,24 @@  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;
@@ -2394,6 +2412,8 @@  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? */
 	}