NFSv4.1: allow nfs_fhget to succeed with mounted on fileid

[mv-sheeva.git] / fs / nfs / internal.h

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index ce118ce885dd5e20276356011e288d8502c6ef11..2a55347a2daa85f66aa24b44d7bb7c93efe1d409 100644 (file)
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -45,6 +45,17 @@ static inline void nfs_attr_check_mountpoint(struct super_block *parent, struct
                fattr->valid |= NFS_ATTR_FATTR_MOUNTPOINT;
 }
 
+static inline int nfs_attr_use_mounted_on_fileid(struct nfs_fattr *fattr)
+{
+       if (((fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) == 0) ||
+           (((fattr->valid & NFS_ATTR_FATTR_MOUNTPOINT) == 0) &&
+            ((fattr->valid & NFS_ATTR_FATTR_V4_REFERRAL) == 0)))
+               return 0;
+
+       fattr->fileid = fattr->mounted_on_fileid;
+       return 1;
+}
+
 struct nfs_clone_mount {
        const struct super_block *sb;
        const struct dentry *dentry;
@@ -234,7 +245,7 @@ extern int nfs_init_client(struct nfs_client *clp,
 
 /* dir.c */
 extern int nfs_access_cache_shrinker(struct shrinker *shrink,
-                                       int nr_to_scan, gfp_t gfp_mask);
+                                       struct shrink_control *sc);
 
 /* inode.c */
 extern struct workqueue_struct *nfsiod_workqueue;
@@ -310,6 +321,7 @@ extern int nfs_migrate_page(struct address_space *,
 #endif
 
 /* nfs4proc.c */
+extern void __nfs4_read_done_cb(struct nfs_read_data *);
 extern void nfs4_reset_read(struct rpc_task *task, struct nfs_read_data *data);
 extern int nfs4_init_client(struct nfs_client *clp,
                            const struct rpc_timeout *timeparms,