From: Yan, Zheng <zyan@redhat.com>
Date: Thu, 19 May 2016 11:15:19 +0000 (+0800)
Subject: ceph: fix wake_up_session_cb()
X-Git-Tag: v4.14-rc1~3130^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e536030934aebf049fe6aaebc58dd37aeee21840;p=platform%2Fkernel%2Flinux-rpi.git

ceph: fix wake_up_session_cb()

We should reset i_requested_max_size before waking the waiters.
(zero i_requested_max_size make waiter re-request the max size)

Signed-off-by: Yan, Zheng <zyan@redhat.com>
---

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 7ad31283..2103b82 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1258,13 +1258,13 @@ static int wake_up_session_cb(struct inode *inode, struct ceph_cap *cap,
 {
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
-	wake_up_all(&ci->i_cap_wq);
 	if (arg) {
 		spin_lock(&ci->i_ceph_lock);
 		ci->i_wanted_max_size = 0;
 		ci->i_requested_max_size = 0;
 		spin_unlock(&ci->i_ceph_lock);
 	}
+	wake_up_all(&ci->i_cap_wq);
 	return 0;
 }