NFS: Use dentry->d_time to store the parent directory verifier.

This will free up the d_fsdata field for other use.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 322141f..0fa1dbc 100644 (file)
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -654,7 +654,7 @@ static int nfs_check_verifier(struct inode *dir, struct dentry *dentry)
 
        if (IS_ROOT(dentry))
                return 1;
-       verf = (unsigned long)dentry->d_fsdata;
+       verf = dentry->d_time;
        if (nfs_caches_unstable(dir)
                        || verf != NFS_I(dir)->cache_change_attribute)
                return 0;
@@ -663,7 +663,7 @@ static int nfs_check_verifier(struct inode *dir, struct dentry *dentry)
 
 static inline void nfs_set_verifier(struct dentry * dentry, unsigned long verf)
 {
-       dentry->d_fsdata = (void *)verf;
+       dentry->d_time = verf;
 }
 
 static void nfs_refresh_verifier(struct dentry * dentry, unsigned long verf)