[XFS] Cleanup various fid related bits:

[pandora-kernel.git] / fs / xfs / linux-2.6 / xfs_export.c

diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c
index 15bd494..ca4f66c 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_export.c
+++ b/fs/xfs/linux-2.6/xfs_export.c
@@ -118,20 +118,29 @@ xfs_nfs_get_inode(
        u64                     ino,
        u32                     generation)
  {
-       xfs_fid_t               xfid;
-       bhv_vnode_t             *vp;
+       xfs_mount_t             *mp = XFS_M(sb);
+       xfs_inode_t             *ip;
        int                     error;
 
-       xfid.fid_len = sizeof(xfs_fid_t) - sizeof(xfid.fid_len);
-       xfid.fid_pad = 0;
-       xfid.fid_ino = ino;
-       xfid.fid_gen = generation;
+       /*
+        * NFS can sometimes send requests for ino 0.  Fail them gracefully.
+        */
+       if (ino == 0)
+               return ERR_PTR(-ESTALE);
 
-       error = xfs_vget(XFS_M(sb), &vp, &xfid);
+       error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_SHARED, &ip, 0);
        if (error)
                return ERR_PTR(-error);
+       if (!ip)
+               return ERR_PTR(-EIO);
+
+       if (!ip->i_d.di_mode || ip->i_d.di_gen != generation) {
+               xfs_iput_new(ip, XFS_ILOCK_SHARED);
+               return ERR_PTR(-ENOENT);
+       }
 
-       return vp ? vn_to_inode(vp) : NULL;
+       xfs_iunlock(ip, XFS_ILOCK_SHARED);
+       return ip->i_vnode;
 }
 
 STATIC struct dentry *