ceph: don't use ->d_time

Pretty simple: just use ceph_dentry_info.time instead (which was already
there, unused).
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

fs/ceph/dir.c

@@ -59,7 +59,7 @@ int ceph_init_dentry(struct dentry *dentry)
 
 	di->dentry = dentry;
 	di->lease_session = NULL;
-	dentry->d_time = jiffies;
+	di->time = jiffies;
 	/* avoid reordering d_fsdata setup so that the check above is safe */
 	smp_mb();
 	dentry->d_fsdata = di;
@@ -1124,7 +1124,7 @@ static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry,
 void ceph_invalidate_dentry_lease(struct dentry *dentry)
 {
 	spin_lock(&dentry->d_lock);
-	dentry->d_time = jiffies;
+	ceph_dentry(dentry)->time = jiffies;
 	ceph_dentry(dentry)->lease_shared_gen = 0;
 	spin_unlock(&dentry->d_lock);
 }
@@ -1154,7 +1154,7 @@ static int dentry_lease_is_valid(struct dentry *dentry)
 		spin_unlock(&s->s_gen_ttl_lock);
 
 		if (di->lease_gen == gen &&
-		    time_before(jiffies, dentry->d_time) &&
+		    time_before(jiffies, di->time) &&
 		    time_before(jiffies, ttl)) {
 			valid = 1;
 			if (di->lease_renew_after &&

fs/ceph/inode.c

@@ -1042,7 +1042,7 @@ static void update_dentry_lease(struct dentry *dentry,
 		goto out_unlock;
 
 	if (di->lease_gen == session->s_cap_gen &&
-	    time_before(ttl, dentry->d_time))
+	    time_before(ttl, di->time))
 		goto out_unlock;  /* we already have a newer lease. */
 
 	if (di->lease_session && di->lease_session != session)
@@ -1056,7 +1056,7 @@ static void update_dentry_lease(struct dentry *dentry,
 	di->lease_seq = le32_to_cpu(lease->seq);
 	di->lease_renew_after = half_ttl;
 	di->lease_renew_from = 0;
-	dentry->d_time = ttl;
+	di->time = ttl;
 out_unlock:
 	spin_unlock(&dentry->d_lock);
 	return;

fs/ceph/mds_client.c

@@ -3226,7 +3226,7 @@ static void handle_lease(struct ceph_mds_client *mdsc,
 				msecs_to_jiffies(le32_to_cpu(h->duration_ms));
 
 			di->lease_seq = seq;
-			dentry->d_time = di->lease_renew_from + duration;
+			di->time = di->lease_renew_from + duration;
 			di->lease_renew_after = di->lease_renew_from +
 				(duration >> 1);
 			di->lease_renew_from = 0;
@@ -3311,7 +3311,7 @@ void ceph_mdsc_lease_release(struct ceph_mds_client *mdsc, struct inode *inode,
 	if (!di || !di->lease_session ||
 	    di->lease_session->s_mds < 0 ||
 	    di->lease_gen != di->lease_session->s_cap_gen ||
-	    !time_before(jiffies, dentry->d_time)) {
+	    !time_before(jiffies, di->time)) {
 		dout("lease_release inode %p dentry %p -- "
 		     "no lease\n",
 		     inode, dentry);

fs/ceph/super.h

@@ -246,7 +246,7 @@ struct ceph_dentry_info {
 	unsigned long lease_renew_after, lease_renew_from;
 	struct list_head lru;
 	struct dentry *dentry;
-	u64 time;
+	unsigned long time;
 	u64 offset;
 };