Re: [PATCH 5/6] ceph: check mds_wanted for imported cap

["Yan, Zheng" <zheng.z.yan@intel.com>]

how about below patch, also updated git://github.com/ukernel/ceph-client.git wip-ceph

Reagrds
Yan, Zheng
---
From 6fdcf8d71239dac7b26f50623ee5986f39552b4a Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.z.yan@intel.com>
Date: Fri, 4 Jan 2013 15:30:10 +0800
Subject: [PATCH 5/5] ceph: check mds_wanted for imported cap

The MDS may have incorrect wanted caps after importing caps. So the
client should check the value mds has and send cap update if necessary.

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
---
 fs/ceph/caps.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 40b5bbe..1e1e020 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2429,7 +2429,9 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
 		dout("mds wanted %s -> %s\n",
 		     ceph_cap_string(le32_to_cpu(grant->wanted)),
 		     ceph_cap_string(wanted));
-		grant->wanted = cpu_to_le32(wanted);
+		/* imported cap may not have correct mds_wanted */
+		if (le32_to_cpu(grant->op) == CEPH_CAP_OP_IMPORT)
+			check_caps = 1;
 	}
 
 	cap->seq = seq;
-- 
1.7.11.7