LU-6943 clio: get rid of cl_req

[fs/lustre-release.git] / lustre / lov / lovsub_dev.c

diff --git a/lustre/lov/lovsub_dev.c b/lustre/lov/lovsub_dev.c
index f3ba099..ec646d5 100644 (file)
--- a/lustre/lov/lovsub_dev.c
+++ b/lustre/lov/lovsub_dev.c
@@ -1,6 +1,4 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
  * GPL HEADER START
  *
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
@@ -26,8 +24,10 @@
  * GPL HEADER END
  */
 /*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2013, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -42,52 +42,10 @@
 
 #include "lov_cl_internal.h"
 
-/** \addtogroup lov lov @{ */
-
-/*****************************************************************************
- *
- * Lovsub transfer operations.
- *
+/** \addtogroup lov
+ *  @{
  */
 
-static void lovsub_req_completion(const struct lu_env *env,
-                                  const struct cl_req_slice *slice, int ioret)
-{
-        struct lovsub_req *lsr;
-
-        ENTRY;
-        lsr = cl2lovsub_req(slice);
-        OBD_SLAB_FREE_PTR(lsr, lovsub_req_kmem);
-        EXIT;
-}
-
-/**
- * Implementation of struct cl_req_operations::cro_attr_set() for lovsub
- * layer. Lov and lovsub are responsible only for struct obdo::o_stripe_idx
- * field, which is filled there.
- */
-static void lovsub_req_attr_set(const struct lu_env *env,
-                                const struct cl_req_slice *slice,
-                                const struct cl_object *obj,
-                                struct cl_req_attr *attr, obd_valid flags)
-{
-        struct lovsub_object *subobj;
-
-        ENTRY;
-        subobj = cl2lovsub(obj);
-        /*
-         * There is no OBD_MD_* flag for obdo::o_stripe_idx, so set it
-         * unconditionally. It never changes anyway.
-         */
-        attr->cra_oa->o_stripe_idx = subobj->lso_index;
-        EXIT;
-}
-
-static const struct cl_req_operations lovsub_req_ops = {
-        .cro_attr_set   = lovsub_req_attr_set,
-        .cro_completion = lovsub_req_completion
-};
-
 /*****************************************************************************
  *
  * Lov-sub device and device type functions.
@@ -132,29 +90,18 @@ static struct lu_device *lovsub_device_fini(const struct lu_env *env,
 }
 
 static struct lu_device *lovsub_device_free(const struct lu_env *env,
-                                            struct lu_device *d)
-{
-        struct lovsub_device *lsd  = lu2lovsub_dev(d);
-        struct lu_device     *next = cl2lu_dev(lsd->acid_next);
-
-        cl_device_fini(lu2cl_dev(d));
-        OBD_FREE_PTR(lsd);
-        return next;
-}
-
-static int lovsub_req_init(const struct lu_env *env, struct cl_device *dev,
-                           struct cl_req *req)
+                                           struct lu_device *d)
 {
-        struct lovsub_req *lsr;
-        int result;
-
-        OBD_SLAB_ALLOC_PTR_GFP(lsr, lovsub_req_kmem, CFS_ALLOC_IO);
-        if (lsr != NULL) {
-                cl_req_slice_add(req, &lsr->lsrq_cl, dev, &lovsub_req_ops);
-                result = 0;
-        } else
-                result = -ENOMEM;
-        return result;
+       struct lovsub_device *lsd  = lu2lovsub_dev(d);
+       struct lu_device     *next = cl2lu_dev(lsd->acid_next);
+
+       if (atomic_read(&d->ld_ref) && d->ld_site) {
+               LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_ERROR, NULL);
+               lu_site_print(env, d->ld_site, &msgdata, lu_cdebug_printer);
+       }
+       cl_device_fini(lu2cl_dev(d));
+       OBD_FREE_PTR(lsd);
+       return next;
 }
 
 static const struct lu_device_operations lovsub_lu_ops = {
@@ -163,10 +110,6 @@ static const struct lu_device_operations lovsub_lu_ops = {
         .ldo_recovery_complete = NULL
 };
 
-static const struct cl_device_operations lovsub_cl_ops = {
-        .cdo_req_init = lovsub_req_init
-};
-
 static struct lu_device *lovsub_device_alloc(const struct lu_env *env,
                                              struct lu_device_type *t,
                                              struct lustre_cfg *cfg)
@@ -182,7 +125,6 @@ static struct lu_device *lovsub_device_alloc(const struct lu_env *env,
                 if (result == 0) {
                         d = lovsub2lu_dev(lsd);
                         d->ld_ops         = &lovsub_lu_ops;
-                        lsd->acid_cl.cd_ops = &lovsub_cl_ops;
                 } else
                         d = ERR_PTR(result);
         } else