ceph: define 'end/complete' in readdir reply as bit flags

Set a flag in readdir request, which indicates that client interprets
'end/complete' as bit flags. So that mds can reply additional flags in
readdir reply.

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

1 files changed, 5 insertions, 2 deletions

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 6220d3caf7ab..1c2befcd24fb 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -181,8 +181,11 @@ static int parse_reply_info_dir(void **p, void *end,
 
         ceph_decode_need(p, end, sizeof(num) + 2, bad);
         num = ceph_decode_32(p);
-        info->dir_end = ceph_decode_8(p);
-        info->dir_complete = ceph_decode_8(p);
+        {
+                u16 flags = ceph_decode_16(p);
+                info->dir_end = !!(flags & CEPH_READDIR_FRAG_END);
+                info->dir_complete = !!(flags & CEPH_READDIR_FRAG_COMPLETE);
+        }
         if (num == 0)
                 goto done;