ceph: fix get_oldest_context()

For no snapshot case, we should use ci->truncate_{seq,size}.

Fixes: 5f743e456606 ("ceph: record truncate size/seq for snap data writeback")
Signed-off-by: Geng, Jichao <geng.jichao@h3c.com>
Signed-off-by: Yan, Zheng <zyan@redhat.com>

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 9cd0c0e..e4b066c 100644 (file)
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -502,9 +502,9 @@ static struct ceph_snap_context *get_oldest_context(struct inode *inode,
                dout(" head snapc %p has %d dirty pages\n",
                     snapc, ci->i_wrbuffer_ref_head);
                if (truncate_size)
-                       *truncate_size = capsnap->truncate_size;
+                       *truncate_size = ci->i_truncate_size;
                if (truncate_seq)
-                       *truncate_seq = capsnap->truncate_seq;
+                       *truncate_seq = ci->i_truncate_seq;
        }
        spin_unlock(&ci->i_ceph_lock);
        return snapc;