From 20cb76a59793cc587a4a008a70301df1f015ce09 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Wed, 5 Mar 2008 16:45:36 -0800
Subject: [PATCH] client: take references in fill_trace and drop them later
 (normally in put_request)

---
 src/kernel/client.c     | 1 +
 src/kernel/inode.c      | 4 +++-
 src/kernel/mds_client.c | 4 ++++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/kernel/client.c b/src/kernel/client.c
index 368a09b4d877e..8c76029d3f3d7 100644
--- a/src/kernel/client.c
+++ b/src/kernel/client.c
@@ -121,6 +121,7 @@ static int open_root_inode(struct ceph_client *client, struct ceph_mount_args *a
 
 	dout(30, "open_root_inode success, root dentry is %p.\n", client->sb->s_root);
 	ceph_mdsc_put_request(req);
+	iput(mnt_inode);
 	return 0;
 
 out2:
diff --git a/src/kernel/inode.c b/src/kernel/inode.c
index f4f6572c83e78..0fd1a7f62b7c9 100644
--- a/src/kernel/inode.c
+++ b/src/kernel/inode.c
@@ -244,8 +244,10 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_reply_info *prinfo,
 	else
 		dput(dn);
 	
-	if (lastinode)
+	if (lastinode) {
 		*lastinode = in;
+		igrab(in);
+	}
 
 	return err;
 }
diff --git a/src/kernel/mds_client.c b/src/kernel/mds_client.c
index 87aeee2ff93a6..fe9943974c61b 100644
--- a/src/kernel/mds_client.c
+++ b/src/kernel/mds_client.c
@@ -329,6 +329,10 @@ void ceph_mdsc_put_request(struct ceph_mds_request *req)
 		}
 		if (req->r_session)
 			put_session(req->r_session);
+		if (req->r_last_inode) 
+			iput(req->r_last_inode);
+		if (req->r_last_dentry)
+			dput(req->r_last_dentry);
 		drop_request_session_attempt_refs(req);
 		kfree(req);
 	} 
-- 
2.39.5