From: "Yan, Zheng" <zyan@redhat.com>
Date: Wed, 16 Aug 2017 21:42:39 +0800
Subject: ceph: properly set snap follows for cap reconnect
Git-commit: 92776fd2c230f80be910cf33acd99682345209cd
Patch-mainline: v4.14-rc1
References: FATE#324714
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Luis Henriques <lhenriques@suse.com>
---
fs/ceph/mds_client.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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,