1 files changed, 7 insertions, 1 deletions

diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 10937203d236..787253e6fca3 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -30,10 +30,15 @@
 #ifndef FS_NFS_PNFS_H
 #define FS_NFS_PNFS_H
 
+enum {
+        NFS_LSEG_VALID = 0,     /* cleared when lseg is recalled/returned */
+};
+
 struct pnfs_layout_segment {
         struct list_head pls_list;
         struct pnfs_layout_range pls_range;
-        struct kref pls_refcount;
+        atomic_t pls_refcount;
+        unsigned long pls_flags;
         struct pnfs_layout_hdr *pls_layout;
 };
 
@@ -44,6 +49,7 @@ struct pnfs_layout_segment {
 enum {
         NFS_LAYOUT_RO_FAILED = 0,       /* get ro layout failed stop trying */
         NFS_LAYOUT_RW_FAILED,           /* get rw layout failed stop trying */
+        NFS_LAYOUT_DESTROYED,           /* no new use of layout allowed */
 };
 
 /* Per-layout driver specific registration structure */