From: Yan, Zheng <zyan@redhat.com>
Date: Wed, 16 Aug 2017 13:42:39 +0000 (+0800)
Subject: ceph: properly set snap follows for cap reconnect
X-Git-Tag: v4.14-rc1~47^2~19
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=92776fd2c230f80be910cf33acd99682345209cd;p=linux.git

ceph: properly set snap follows for cap reconnect

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 86ff74424df4..e53437154cfe 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2882,7 +2882,7 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap,
 	}
 
 	if (list_empty(&ci->i_cap_snaps)) {
-		snap_follows = 0;
+		snap_follows = ci->i_head_snapc ? ci->i_head_snapc->seq : 0;
 	} else {
 		struct ceph_cap_snap *capsnap =
 			list_first_entry(&ci->i_cap_snaps,