1 files changed, 5 insertions, 2 deletions

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index f2f77fd3c14c..d47c5ec7fb1f 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -73,8 +73,7 @@ static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
          */
         buf->f_bsize = 1 << CEPH_BLOCK_SHIFT;
         buf->f_blocks = le64_to_cpu(st.kb) >> (CEPH_BLOCK_SHIFT-10);
-        buf->f_bfree = (le64_to_cpu(st.kb) - le64_to_cpu(st.kb_used)) >>
-                (CEPH_BLOCK_SHIFT-10);
+        buf->f_bfree = le64_to_cpu(st.kb_avail) >> (CEPH_BLOCK_SHIFT-10);
         buf->f_bavail = le64_to_cpu(st.kb_avail) >> (CEPH_BLOCK_SHIFT-10);
 
         buf->f_files = le64_to_cpu(st.num_objects);
@@ -780,6 +779,10 @@ static int ceph_register_bdi(struct super_block *sb,
                 fsc->backing_dev_info.ra_pages =
                         (fsc->mount_options->rsize + PAGE_CACHE_SIZE - 1)
                         >> PAGE_SHIFT;
+        else
+                fsc->backing_dev_info.ra_pages =
+                        default_backing_dev_info.ra_pages;
+
         err = bdi_register(&fsc->backing_dev_info, NULL, "ceph-%d",
                            atomic_long_inc_return(&bdi_seq));
         if (!err)