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-rw-r--r--fs/nfs/pnfs.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 10937203d23..787253e6fca 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 */