From: Geng, Jichao <geng.jichao@h3c.com>
Date: Thu, 5 Jan 2017 08:50:39 +0000 (+0800)
Subject: ceph: fix get_oldest_context()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=84fcc2d2bd6cbf621e49e1d0f7eaef2e3c666b40;p=linux-beck.git

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 9cd0c0ea7cdb..e4b066cd912a 100644
--- 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;