nfsd: nfs4_alloc_init_lease should take a nfs4_file arg

No need to pass the delegation pointer in here as it's only used to get
the nfs4_file pointer.
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

fs/nfsd/nfs4state.c

@@ -3474,7 +3474,7 @@ static bool nfsd4_cb_channel_good(struct nfs4_client *clp)
 	return clp->cl_minorversion && clp->cl_cb_state == NFSD4_CB_UNKNOWN;
 }
 
-static struct file_lock *nfs4_alloc_init_lease(struct nfs4_delegation *dp, int flag)
+static struct file_lock *nfs4_alloc_init_lease(struct nfs4_file *fp, int flag)
 {
 	struct file_lock *fl;
 
@@ -3486,7 +3486,7 @@ static struct file_lock *nfs4_alloc_init_lease(struct nfs4_delegation *dp, int f
 	fl->fl_flags = FL_DELEG;
 	fl->fl_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK;
 	fl->fl_end = OFFSET_MAX;
-	fl->fl_owner = (fl_owner_t)(dp->dl_file);
+	fl->fl_owner = (fl_owner_t)fp;
 	fl->fl_pid = current->tgid;
 	return fl;
 }
@@ -3497,7 +3497,7 @@ static int nfs4_setlease(struct nfs4_delegation *dp)
 	struct file_lock *fl;
 	int status;
 
-	fl = nfs4_alloc_init_lease(dp, NFS4_OPEN_DELEGATE_READ);
+	fl = nfs4_alloc_init_lease(fp, NFS4_OPEN_DELEGATE_READ);
 	if (!fl)
 		return -ENOMEM;
 	fl->fl_file = find_readable_file(fp);