LU-11375 mdc: use old statfs format

[fs/lustre-release.git] / lustre / mdt / mdt_handler.c

diff --git a/lustre/mdt/mdt_handler.c b/lustre/mdt/mdt_handler.c
index ace6f1f..5bf3306 100644 (file)
--- a/lustre/mdt/mdt_handler.c
+++ b/lustre/mdt/mdt_handler.c
@@ -436,8 +436,13 @@ static int mdt_statfs(struct tgt_session_info *tsi)
        if (!osfs)
                GOTO(out, rc = -EPROTO);
 
-       if (mdt_is_sum_statfs_client(req->rq_export))
+       if (mdt_is_sum_statfs_client(req->rq_export) &&
+               lustre_packed_msg_size(req->rq_reqmsg) ==
+               req_capsule_fmt_size(req->rq_reqmsg->lm_magic,
+                                    &RQF_MDS_STATFS_NEW, RCL_CLIENT)) {
+               req_capsule_extend(info->mti_pill, &RQF_MDS_STATFS_NEW);
                reqbody = req_capsule_client_get(info->mti_pill, &RMF_MDT_BODY);
+       }
 
        if (reqbody && reqbody->mbo_valid & OBD_MD_FLAGSTATFS)
                msf = &mdt->mdt_sum_osfs;