LU-2743 ptlrpc: Translate between host and network errnos

[fs/lustre-release.git] / lustre / ofd / ofd_io.c

diff --git a/lustre/ofd/ofd_io.c b/lustre/ofd/ofd_io.c
index a139bda..b90bc8a 100644 (file)
--- a/lustre/ofd/ofd_io.c
+++ b/lustre/ofd/ofd_io.c
@@ -218,6 +218,13 @@ int ofd_preprw(const struct lu_env* env, int cmd, struct obd_export *exp,
        struct ofd_thread_info  *info;
        int                      rc = 0;
 
+       if (*nr_local > PTLRPC_MAX_BRW_PAGES) {
+               CERROR("%s: bulk has too many pages %d, which exceeds the"
+                      "maximum pages per RPC of %d\n",
+                      exp->exp_obd->obd_name, *nr_local, PTLRPC_MAX_BRW_PAGES);
+               RETURN(-EPROTO);
+       }
+
        rc = lu_env_refill((struct lu_env *)env);
        LASSERT(rc == 0);
        info = ofd_info_init(env, exp);