ceph: don't zero i_wrbuffer_ref when reconnecting is denied

remove_session_caps_cb() does not truncate dirty data in page
cache, but zeros i_wrbuffer_ref/i_wrbuffer_ref_head. This will
result negtive i_wrbuffer_ref/i_wrbuffer_ref_head

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

1 files changed, 0 insertions, 7 deletions

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 0cfc2d163549..c3bac611a097 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1120,13 +1120,6 @@ static int remove_session_caps_cb(struct inode *inode, struct ceph_cap *cap,
                         mdsc->num_cap_flushing--;
                         drop = 1;
                 }
-                if (drop && ci->i_wrbuffer_ref) {
-                        pr_info(" dropping dirty data for %p %lld\n",
-                                inode, ceph_ino(inode));
-                        ci->i_wrbuffer_ref = 0;
-                        ci->i_wrbuffer_ref_head = 0;
-                        drop++;
-                }
                 spin_unlock(&mdsc->cap_dirty_lock);
         }
         spin_unlock(&ci->i_ceph_lock);