-/* -*- 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.
* 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) 2012, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include "lov_cl_internal.h"
-cfs_mem_cache_t *lov_page_kmem;
-cfs_mem_cache_t *lov_lock_kmem;
-cfs_mem_cache_t *lov_object_kmem;
-cfs_mem_cache_t *lov_thread_kmem;
-cfs_mem_cache_t *lov_session_kmem;
-cfs_mem_cache_t *lov_req_kmem;
+struct kmem_cache *lov_lock_kmem;
+struct kmem_cache *lov_object_kmem;
+struct kmem_cache *lov_thread_kmem;
+struct kmem_cache *lov_session_kmem;
-cfs_mem_cache_t *lovsub_page_kmem;
-cfs_mem_cache_t *lovsub_lock_kmem;
-cfs_mem_cache_t *lovsub_object_kmem;
-cfs_mem_cache_t *lovsub_req_kmem;
+struct kmem_cache *lovsub_lock_kmem;
+struct kmem_cache *lovsub_object_kmem;
-cfs_mem_cache_t *lov_lock_link_kmem;
+struct kmem_cache *lov_lock_link_kmem;
/** Lock class of lov_device::ld_mutex. */
-struct lock_class_key cl_lov_device_mutex_class;
+static struct lock_class_key cl_lov_device_mutex_class;
struct lu_kmem_descr lov_caches[] = {
{
- .ckd_cache = &lov_page_kmem,
- .ckd_name = "lov_page_kmem",
- .ckd_size = sizeof (struct lov_page)
- },
- {
.ckd_cache = &lov_lock_kmem,
.ckd_name = "lov_lock_kmem",
.ckd_size = sizeof (struct lov_lock)
.ckd_size = sizeof (struct lov_session)
},
{
- .ckd_cache = &lov_req_kmem,
- .ckd_name = "lov_req_kmem",
- .ckd_size = sizeof (struct lov_req)
- },
- {
- .ckd_cache = &lovsub_page_kmem,
- .ckd_name = "lovsub_page_kmem",
- .ckd_size = sizeof (struct lovsub_page)
- },
- {
.ckd_cache = &lovsub_lock_kmem,
.ckd_name = "lovsub_lock_kmem",
.ckd_size = sizeof (struct lovsub_lock)
.ckd_size = sizeof (struct lovsub_object)
},
{
- .ckd_cache = &lovsub_req_kmem,
- .ckd_name = "lovsub_req_kmem",
- .ckd_size = sizeof (struct lovsub_req)
- },
- {
.ckd_cache = &lov_lock_link_kmem,
.ckd_name = "lov_lock_link_kmem",
.ckd_size = sizeof (struct lov_lock_link)
/*****************************************************************************
*
- * Lov transfer operations.
- *
- */
-
-static void lov_req_completion(const struct lu_env *env,
- const struct cl_req_slice *slice, int ioret)
-{
- struct lov_req *lr;
-
- ENTRY;
- lr = cl2lov_req(slice);
- OBD_SLAB_FREE_PTR(lr, lov_req_kmem);
- EXIT;
-}
-
-static const struct cl_req_operations lov_req_ops = {
- .cro_completion = lov_req_completion
-};
-
-/*****************************************************************************
- *
* Lov device and device type functions.
*
*/
static void *lov_key_init(const struct lu_context *ctx,
- struct lu_context_key *key)
+ struct lu_context_key *key)
{
- struct lov_thread_info *info;
+ struct lov_thread_info *info;
- OBD_SLAB_ALLOC_PTR_GFP(info, lov_thread_kmem, CFS_ALLOC_IO);
- if (info != NULL)
- CFS_INIT_LIST_HEAD(&info->lti_closure.clc_list);
- else
- info = ERR_PTR(-ENOMEM);
- return info;
+ OBD_SLAB_ALLOC_PTR_GFP(info, lov_thread_kmem, GFP_NOFS);
+ if (info == NULL)
+ info = ERR_PTR(-ENOMEM);
+ return info;
}
static void lov_key_fini(const struct lu_context *ctx,
- struct lu_context_key *key, void *data)
+ struct lu_context_key *key, void *data)
{
- struct lov_thread_info *info = data;
- LINVRNT(list_empty(&info->lti_closure.clc_list));
- OBD_SLAB_FREE_PTR(info, lov_thread_kmem);
+ struct lov_thread_info *info = data;
+ OBD_SLAB_FREE_PTR(info, lov_thread_kmem);
}
struct lu_context_key lov_key = {
};
static void *lov_session_key_init(const struct lu_context *ctx,
- struct lu_context_key *key)
+ struct lu_context_key *key)
{
- struct lov_session *info;
+ struct lov_session *info;
- OBD_SLAB_ALLOC_PTR_GFP(info, lov_session_kmem, CFS_ALLOC_IO);
- if (info == NULL)
- info = ERR_PTR(-ENOMEM);
- return info;
+ OBD_SLAB_ALLOC_PTR_GFP(info, lov_session_kmem, GFP_NOFS);
+ if (info == NULL)
+ info = ERR_PTR(-ENOMEM);
+ return info;
}
static void lov_session_key_fini(const struct lu_context *ctx,
struct lov_tgt_desc *desc;
desc = ld->ld_lov->lov_tgts[i];
- if (desc->ltd_active) {
- cl = cl_type_setup(env, d->ld_site, &lovsub_device_type,
- desc->ltd_exp->exp_obd->obd_lu_dev);
- if (IS_ERR(cl)) {
- rc = PTR_ERR(cl);
- break;
- }
- lsd = cl2lovsub_dev(cl);
- lsd->acid_idx = i;
- lsd->acid_super = ld;
- ld->ld_target[i] = lsd;
+ if (desc == NULL)
+ continue;
+
+ cl = cl_type_setup(env, d->ld_site, &lovsub_device_type,
+ desc->ltd_obd->obd_lu_dev);
+ if (IS_ERR(cl)) {
+ rc = PTR_ERR(cl);
+ break;
}
+ lsd = cl2lovsub_dev(cl);
+ lsd->acid_idx = i;
+ lsd->acid_super = ld;
+ ld->ld_target[i] = lsd;
}
if (rc)
RETURN(rc);
}
-static int lov_req_init(const struct lu_env *env, struct cl_device *dev,
- struct cl_req *req)
-{
- struct lov_req *lr;
- int result;
-
- ENTRY;
- OBD_SLAB_ALLOC_PTR_GFP(lr, lov_req_kmem, CFS_ALLOC_IO);
- if (lr != NULL) {
- cl_req_slice_add(req, &lr->lr_cl, dev, &lov_req_ops);
- result = 0;
- } else
- result = -ENOMEM;
- RETURN(result);
-}
-
-static const struct cl_device_operations lov_cl_ops = {
- .cdo_req_init = lov_req_init
-};
-
static void lov_emerg_free(struct lov_device_emerg **emrg, int nr)
{
int i;
return ERR_PTR(-ENOMEM);
for (result = i = 0; i < nr && result == 0; i++) {
struct lov_device_emerg *em;
- void *cookie;
OBD_ALLOC_PTR(em);
if (em != NULL) {
emerg[i] = em;
cl_page_list_init(&em->emrg_page_list);
- cookie = cl_env_reenter();
em->emrg_env = cl_env_alloc(&em->emrg_refcheck,
LCT_REMEMBER|LCT_NOREF);
- cl_env_reexit(cookie);
if (!IS_ERR(em->emrg_env))
em->emrg_env->le_ctx.lc_cookie = 0x2;
else {
OBD_ALLOC(newd, tgt_size * sz);
if (newd != NULL) {
- mutex_lock(&dev->ld_mutex);
+ mutex_lock(&dev->ld_mutex);
if (sub_size > 0) {
memcpy(newd, dev->ld_target, sub_size * sz);
OBD_FREE(dev->ld_target, sub_size * sz);
if (dev->ld_emrg != NULL)
lov_emerg_free(dev->ld_emrg, sub_size);
dev->ld_emrg = emerg;
- mutex_unlock(&dev->ld_mutex);
+ mutex_unlock(&dev->ld_mutex);
} else {
lov_emerg_free(emerg, tgt_size);
result = -ENOMEM;
int rc;
ENTRY;
- lov_getref(obd);
+ obd_getref(obd);
tgt = obd->u.lov.lov_tgts[index];
LASSERT(tgt != NULL);
+ LASSERT(tgt->ltd_obd != NULL);
+
+ if (!tgt->ltd_obd->obd_set_up) {
+ CERROR("Target %s not set up\n", obd_uuid2str(&tgt->ltd_uuid));
+ RETURN(-EINVAL);
+ }
rc = lov_expand_targets(env, ld);
if (rc == 0 && ld->ld_flags & LOV_DEV_INITIALIZED) {
LASSERT(dev->ld_site != NULL);
+
cl = cl_type_setup(env, dev->ld_site, &lovsub_device_type,
- tgt->ltd_exp->exp_obd->obd_lu_dev);
+ tgt->ltd_obd->obd_lu_dev);
if (!IS_ERR(cl)) {
lsd = cl2lovsub_dev(cl);
lsd->acid_idx = index;
rc = PTR_ERR(cl);
}
}
- lov_putref(obd);
+ obd_putref(obd);
RETURN(rc);
}
int gen;
__u32 index;
- lov_getref(obd);
+ obd_getref(obd);
cmd = cfg->lcfg_command;
rc = lov_process_config_base(d->ld_obd, cfg, &index, &gen);
case LCFG_LOV_ADD_INA:
rc = lov_cl_add_target(env, d, index);
if (rc != 0)
- lov_del_target(d->ld_obd, index, 0, 0);
+ lov_del_target(d->ld_obd, index, NULL, 0);
break;
case LCFG_LOV_DEL_OBD:
lov_cl_del_target(env, d, index);
break;
}
}
- lov_putref(obd);
+ obd_putref(obd);
RETURN(rc);
}
cl_device_init(&ld->ld_cl, t);
d = lov2lu_dev(ld);
d->ld_ops = &lov_lu_ops;
- ld->ld_cl.cd_ops = &lov_cl_ops;
- mutex_init(&ld->ld_mutex);
- lockdep_set_class(&ld->ld_mutex, &cl_lov_device_mutex_class);
+ mutex_init(&ld->ld_mutex);
+ lockdep_set_class(&ld->ld_mutex, &cl_lov_device_mutex_class);
/* setup the LOV OBD */
obd = class_name2obd(lustre_cfg_string(cfg, 0));
.ldt_ops = &lov_device_type_ops,
.ldt_ctx_tags = LCT_CL_THREAD
};
-EXPORT_SYMBOL(lov_device_type);
/** @} lov */