ceph: properly set snap follows for cap reconnect

ukernel · idryomov · commit 92776fd2c230 · 2017-09-06T19:56:49.000+02:00
Signed-off-by: "Yan, Zheng" &lt;zyan@redhat.com&gt;
Signed-off-by: Ilya Dryomov &lt;idryomov@gmail.com&gt;
diff --git 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,

Original file line number	Diff line number	Diff line change
`@@ -2882,7 +2882,7 @@ static int encode_caps_cb(struct inode inode, struct ceph_cap cap,`
`2882`	`2882`	`}`
`2883`	`2883`
`2884`	`2884`	`if (list_empty(&ci->i_cap_snaps)) {`
`2885`		`- snap_follows = 0;`
	`2885`	`+ snap_follows = ci->i_head_snapc ? ci->i_head_snapc->seq : 0;`
`2886`	`2886`	`} else {`
`2887`	`2887`	`struct ceph_cap_snap *capsnap =`
`2888`	`2888`	`list_first_entry(&ci->i_cap_snaps,`