static struct cl_object *lov_sub_find(const struct lu_env *env,
struct cl_device *dev,
const struct lu_fid *fid,
const struct cl_object_conf *conf)
{
struct lu_object *o;
o = lu_object_find_at(env, cl2lu_dev(dev), fid, &conf->coc_lu);
LASSERT(ergo(!IS_ERR(o), o->lo_dev->ld_type == &lovsub_device_type));
return lu2cl(o);
}
static struct lu_device *lovsub_device_fini(const struct lu_env *env,
struct lu_device *d)
{
struct lu_device *next;
struct lovsub_device *lsd;
ENTRY;
lsd = lu2lovsub_dev(d);
next = cl2lu_dev(lsd->acid_next);
lsd->acid_next = NULL;
RETURN(next);
}
static struct lu_device *lovsub_device_fini(const struct lu_env *env,
struct lu_device *d)
{
struct lu_device *next;
struct lovsub_device *lsd;
lsd = lu2lovsub_dev(d);
next = cl2lu_dev(lsd->acid_next);
lsd->acid_super = NULL;
lsd->acid_next = NULL;
return next;
}
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);
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 struct lu_device *vvp_device_free(const struct lu_env *env,
struct lu_device *d)
{
struct vvp_device *vdv = lu2vvp_dev(d);
struct cl_site *site = lu2cl_site(d->ld_site);
struct lu_device *next = cl2lu_dev(vdv->vdv_next);
if (d->ld_site) {
cl_site_fini(site);
kfree(site);
}
cl_device_fini(lu2cl_dev(d));
kfree(vdv);
return next;
}
int cl_sb_init(struct llu_sb_info *sbi)
{
struct cl_device *cl;
struct lu_env *env;
int rc = 0;
int refcheck;
env = cl_env_get(&refcheck);
if (IS_ERR(env))
RETURN(PTR_ERR(env));
cl = cl_type_setup(env, NULL, &slp_device_type,
sbi->ll_dt_exp->exp_obd->obd_lu_dev);
if (IS_ERR(cl))
GOTO(out, rc = PTR_ERR(cl));
sbi->ll_cl = cl;
sbi->ll_site = cl2lu_dev(cl)->ld_site;
out:
cl_env_put(env, &refcheck);
RETURN(rc);
}
int cl_sb_init(struct super_block *sb)
{
struct ll_sb_info *sbi;
struct cl_device *cl;
struct lu_env *env;
int rc = 0;
u16 refcheck;
sbi = ll_s2sbi(sb);
env = cl_env_get(&refcheck);
if (!IS_ERR(env)) {
cl = cl_type_setup(env, NULL, &vvp_device_type,
sbi->ll_dt_exp->exp_obd->obd_lu_dev);
if (!IS_ERR(cl)) {
sbi->ll_cl = cl;
sbi->ll_site = cl2lu_dev(cl)->ld_site;
}
cl_env_put(env, &refcheck);
} else {
rc = PTR_ERR(env);
}
return rc;
}
static struct lu_device *vvp_device_fini(const struct lu_env *env,
struct lu_device *d)
{
return cl2lu_dev(lu2vvp_dev(d)->vdv_next);
}
