* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*
* Author: Mike Pershin <tappro@clusterfs.com>
*/
-
+/**
+ * \addtogroup cmm
+ * @{
+ */
#ifndef EXPORT_SYMTAB
# define EXPORT_SYMTAB
#endif
# include <lustre_quota.h>
#endif
-static struct obd_ops cmm_obd_device_ops = {
+struct obd_ops cmm_obd_device_ops = {
.o_owner = THIS_MODULE
};
static inline int lu_device_is_cmm(struct lu_device *d)
{
- return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &cmm_lu_ops);
+ return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &cmm_lu_ops);
}
int cmm_root_get(const struct lu_env *env, struct md_device *md,
}
static int cmm_statfs(const struct lu_env *env, struct md_device *md,
- struct kstatfs *sfs)
+ cfs_kstatfs_t *sfs)
{
struct cmm_device *cmm_dev = md2cmm_dev(md);
- int rc;
+ int rc;
ENTRY;
rc = cmm_child_ops(cmm_dev)->mdo_statfs(env,
RETURN(rc);
}
+static int cmm_llog_ctxt_get(const struct lu_env *env, struct md_device *m,
+ int idx, void **h)
+{
+ struct cmm_device *cmm_dev = md2cmm_dev(m);
+ int rc;
+ ENTRY;
+
+ rc = cmm_child_ops(cmm_dev)->mdo_llog_ctxt_get(env, cmm_dev->cmm_child,
+ idx, h);
+ RETURN(rc);
+}
+
#ifdef HAVE_QUOTA_SUPPORT
+/**
+ * \name Quota functions
+ * @{
+ */
static int cmm_quota_notify(const struct lu_env *env, struct md_device *m)
{
struct cmm_device *cmm_dev = md2cmm_dev(m);
}
static int cmm_quota_check(const struct lu_env *env, struct md_device *m,
- struct obd_export *exp, __u32 type)
+ __u32 type)
{
struct cmm_device *cmm_dev = md2cmm_dev(m);
int rc;
rc = cmm_child_ops(cmm_dev)->mdo_quota.mqo_check(env,
cmm_dev->cmm_child,
- exp, type);
+ type);
RETURN(rc);
}
int rc;
ENTRY;
- /* disable quota for CMD case temporary. */
- if (cmm_dev->cmm_tgt_count)
- RETURN(-EOPNOTSUPP);
-
rc = cmm_child_ops(cmm_dev)->mdo_quota.mqo_off(env,
cmm_dev->cmm_child,
type);
type);
RETURN(rc);
}
+/** @} */
#endif
+int cmm_iocontrol(const struct lu_env *env, struct md_device *m,
+ unsigned int cmd, int len, void *data)
+{
+ struct md_device *next = md2cmm_dev(m)->cmm_child;
+ int rc;
+
+ ENTRY;
+ rc = next->md_ops->mdo_iocontrol(env, next, cmd, len, data);
+ RETURN(rc);
+}
+
+
static const struct md_device_operations cmm_md_ops = {
.mdo_statfs = cmm_statfs,
.mdo_root_get = cmm_root_get,
.mdo_maxsize_get = cmm_maxsize_get,
.mdo_init_capa_ctxt = cmm_init_capa_ctxt,
.mdo_update_capa_key = cmm_update_capa_key,
+ .mdo_llog_ctxt_get = cmm_llog_ctxt_get,
+ .mdo_iocontrol = cmm_iocontrol,
#ifdef HAVE_QUOTA_SUPPORT
.mdo_quota = {
.mqo_notify = cmm_quota_notify,
};
extern struct lu_device_type mdc_device_type;
-
+/**
+ * Init MDC.
+ */
static int cmm_post_init_mdc(const struct lu_env *env,
struct cmm_device *cmm)
{
/* get the max mdsize and cookiesize from lower layer */
rc = cmm_maxsize_get(env, &cmm->cmm_md_dev, &max_mdsize,
- &max_cookiesize);
+ &max_cookiesize);
if (rc)
RETURN(rc);
- spin_lock(&cmm->cmm_tgt_guard);
- list_for_each_entry_safe(mc, tmp, &cmm->cmm_targets,
- mc_linkage) {
+ cfs_spin_lock(&cmm->cmm_tgt_guard);
+ cfs_list_for_each_entry_safe(mc, tmp, &cmm->cmm_targets,
+ mc_linkage) {
cmm_mdc_init_ea_size(env, mc, max_mdsize, max_cookiesize);
}
- spin_unlock(&cmm->cmm_tgt_guard);
+ cfs_spin_unlock(&cmm->cmm_tgt_guard);
RETURN(rc);
}
RETURN(-EINVAL);
}
- spin_lock(&cm->cmm_tgt_guard);
- list_for_each_entry_safe(mc, tmp, &cm->cmm_targets,
- mc_linkage) {
+ cfs_spin_lock(&cm->cmm_tgt_guard);
+ cfs_list_for_each_entry_safe(mc, tmp, &cm->cmm_targets,
+ mc_linkage) {
if (mc->mc_num == mdc_num) {
- spin_unlock(&cm->cmm_tgt_guard);
+ cfs_spin_unlock(&cm->cmm_tgt_guard);
RETURN(-EEXIST);
}
}
- spin_unlock(&cm->cmm_tgt_guard);
+ cfs_spin_unlock(&cm->cmm_tgt_guard);
ld = ldt->ldt_ops->ldto_device_alloc(env, ldt, cfg);
if (IS_ERR(ld))
RETURN(PTR_ERR(ld));
RETURN(rc);
}
- spin_lock(&cm->cmm_tgt_guard);
- list_for_each_entry_safe(mc, tmp, &cm->cmm_targets,
- mc_linkage) {
+ cfs_spin_lock(&cm->cmm_tgt_guard);
+ cfs_list_for_each_entry_safe(mc, tmp, &cm->cmm_targets,
+ mc_linkage) {
if (mc->mc_num == mdc_num) {
- spin_unlock(&cm->cmm_tgt_guard);
+ cfs_spin_unlock(&cm->cmm_tgt_guard);
ldt->ldt_ops->ldto_device_fini(env, ld);
ldt->ldt_ops->ldto_device_free(env, ld);
RETURN(-EEXIST);
}
}
mc = lu2mdc_dev(ld);
- list_add_tail(&mc->mc_linkage, &cm->cmm_targets);
+ cfs_list_add_tail(&mc->mc_linkage, &cm->cmm_targets);
cm->cmm_tgt_count++;
#ifdef HAVE_QUOTA_SUPPORT
first = cm->cmm_tgt_count;
#endif
- spin_unlock(&cm->cmm_tgt_guard);
+ cfs_spin_unlock(&cm->cmm_tgt_guard);
lu_device_get(cmm_lu);
lu_ref_add(&cmm_lu->ld_reference, "mdc-child", ld);
fld_client_del_target(cm->cmm_fld, cm->cmm_local_num);
/* Finish all mdc devices. */
- spin_lock(&cm->cmm_tgt_guard);
- list_for_each_entry_safe(mc, tmp, &cm->cmm_targets, mc_linkage) {
+ cfs_spin_lock(&cm->cmm_tgt_guard);
+ cfs_list_for_each_entry_safe(mc, tmp, &cm->cmm_targets, mc_linkage) {
struct lu_device *ld_m = mdc2lu_dev(mc);
fld_client_del_target(cm->cmm_fld, mc->mc_num);
ld_m->ld_ops->ldo_process_config(env, ld_m, cfg);
}
- spin_unlock(&cm->cmm_tgt_guard);
+ cfs_spin_unlock(&cm->cmm_tgt_guard);
/* remove upcall device*/
md_upcall_fini(&cm->cmm_md_dev);
}
static const struct lu_device_operations cmm_lu_ops = {
- .ldo_object_alloc = cmm_object_alloc,
+ .ldo_object_alloc = cmm_object_alloc,
.ldo_process_config = cmm_process_config,
.ldo_recovery_complete = cmm_recovery_complete,
.ldo_prepare = cmm_prepare,
/* --- lu_device_type operations --- */
int cmm_upcall(const struct lu_env *env, struct md_device *md,
- enum md_upcall_event ev)
+ enum md_upcall_event ev, void *data)
{
int rc;
ENTRY;
CERROR("can not init md size %d\n", rc);
/* fall through */
default:
- rc = md_do_upcall(env, md, ev);
+ rc = md_do_upcall(env, md, ev, data);
}
RETURN(rc);
}
ENTRY;
LASSERT(m->cmm_tgt_count == 0);
- LASSERT(list_empty(&m->cmm_targets));
+ LASSERT(cfs_list_empty(&m->cmm_targets));
if (m->cmm_fld != NULL) {
OBD_FREE_PTR(m->cmm_fld);
m->cmm_fld = NULL;
/* type constructor/destructor: cmm_type_init/cmm_type_fini */
LU_TYPE_INIT_FINI(cmm, &cmm_thread_key);
+/*
+ * Kludge code : it should be moved mdc_device.c if mdc_(mds)_device
+ * is really stacked.
+ */
+static int __cmm_type_init(struct lu_device_type *t)
+{
+ int rc;
+ rc = lu_device_type_init(&mdc_device_type);
+ if (rc == 0) {
+ rc = cmm_type_init(t);
+ if (rc)
+ lu_device_type_fini(&mdc_device_type);
+ }
+ return rc;
+}
+
+static void __cmm_type_fini(struct lu_device_type *t)
+{
+ lu_device_type_fini(&mdc_device_type);
+ cmm_type_fini(t);
+}
+
+static void __cmm_type_start(struct lu_device_type *t)
+{
+ mdc_device_type.ldt_ops->ldto_start(&mdc_device_type);
+ cmm_type_start(t);
+}
+
+static void __cmm_type_stop(struct lu_device_type *t)
+{
+ mdc_device_type.ldt_ops->ldto_stop(&mdc_device_type);
+ cmm_type_stop(t);
+}
+
static int cmm_device_init(const struct lu_env *env, struct lu_device *d,
const char *name, struct lu_device *next)
{
int err = 0;
ENTRY;
- spin_lock_init(&m->cmm_tgt_guard);
+ cfs_spin_lock_init(&m->cmm_tgt_guard);
CFS_INIT_LIST_HEAD(&m->cmm_targets);
m->cmm_tgt_count = 0;
m->cmm_child = lu2md_dev(next);
ENTRY;
/* Finish all mdc devices */
- spin_lock(&cm->cmm_tgt_guard);
- list_for_each_entry_safe(mc, tmp, &cm->cmm_targets, mc_linkage) {
+ cfs_spin_lock(&cm->cmm_tgt_guard);
+ cfs_list_for_each_entry_safe(mc, tmp, &cm->cmm_targets, mc_linkage) {
struct lu_device *ld_m = mdc2lu_dev(mc);
struct lu_device *ld_c = cmm2lu_dev(cm);
- list_del_init(&mc->mc_linkage);
+ cfs_list_del_init(&mc->mc_linkage);
lu_ref_del(&ld_c->ld_reference, "mdc-child", ld_m);
lu_device_put(ld_c);
ld_m->ld_type->ldt_ops->ldto_device_fini(env, ld_m);
ld_m->ld_type->ldt_ops->ldto_device_free(env, ld_m);
cm->cmm_tgt_count--;
}
- spin_unlock(&cm->cmm_tgt_guard);
+ cfs_spin_unlock(&cm->cmm_tgt_guard);
+ fld_client_proc_fini(cm->cmm_fld);
fld_client_fini(cm->cmm_fld);
ls = cmm2lu_dev(cm)->ld_site;
lu_site2md(ls)->ms_client_fld = NULL;
}
static struct lu_device_type_operations cmm_device_type_ops = {
- .ldto_init = cmm_type_init,
- .ldto_fini = cmm_type_fini,
+ .ldto_init = __cmm_type_init,
+ .ldto_fini = __cmm_type_fini,
- .ldto_start = cmm_type_start,
- .ldto_stop = cmm_type_stop,
+ .ldto_start = __cmm_type_start,
+ .ldto_stop = __cmm_type_stop,
.ldto_device_alloc = cmm_device_alloc,
.ldto_device_free = cmm_device_free,
lvars->module_vars = lprocfs_cmm_module_vars;
lvars->obd_vars = lprocfs_cmm_obd_vars;
}
+/** @} */
static int __init cmm_mod_init(void)
{
struct lprocfs_static_vars lvars;
- int rc;
-
- /*
- * Kludge code : it should be moved mdc_device.c if mdc_(mds)_device
- * is really stacked.
- */
- rc = lu_device_type_init(&mdc_device_type);
- if (rc)
- return rc;
lprocfs_cmm_init_vars(&lvars);
- rc = class_register_type(&cmm_obd_device_ops, NULL, lvars.module_vars,
- LUSTRE_CMM_NAME, &cmm_device_type);
- if (rc)
- lu_device_type_fini(&mdc_device_type);
-
- return rc;
+ return class_register_type(&cmm_obd_device_ops, NULL, lvars.module_vars,
+ LUSTRE_CMM_NAME, &cmm_device_type);
}
static void __exit cmm_mod_exit(void)
{
class_unregister_type(LUSTRE_CMM_NAME);
- lu_device_type_fini(&mdc_device_type);
}
MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff