int cl_sb_fini(struct llu_sb_info *sbi)
{
struct lu_env *env;
int refcheck;
ENTRY;
env = cl_env_get(&refcheck);
if (IS_ERR(env))
RETURN(PTR_ERR(env));
if (sbi->ll_cl != NULL) {
cl_stack_fini(env, sbi->ll_cl);
sbi->ll_cl = NULL;
sbi->ll_site = NULL;
}
cl_env_put(env, &refcheck);
/*
* If mount failed (sbi->ll_cl == NULL), and this there are no other
* mounts, stop device types manually (this usually happens
* automatically when last device is destroyed).
*/
lu_types_stop();
cl_env_cache_purge(~0);
RETURN(0);
}
int cl_sb_fini(struct super_block *sb)
{
struct ll_sb_info *sbi;
struct lu_env *env;
struct cl_device *cld;
int refcheck;
int result;
sbi = ll_s2sbi(sb);
env = cl_env_get(&refcheck);
if (!IS_ERR(env)) {
cld = sbi->ll_cl;
if (cld != NULL) {
cl_stack_fini(env, cld);
sbi->ll_cl = NULL;
sbi->ll_site = NULL;
}
cl_env_put(env, &refcheck);
result = 0;
} else {
CERROR("Cannot cleanup cl-stack due to memory shortage.\n");
result = PTR_ERR(env);
}
/*
* If mount failed (sbi->ll_cl == NULL), and this there are no other
* mounts, stop device types manually (this usually happens
* automatically when last device is destroyed).
*/
lu_types_stop();
return result;
}
/* Common umount */
int lustre_common_put_super(struct super_block *sb)
{
int rc;
CDEBUG(D_MOUNT, "dropping sb %p\n", sb);
/* Drop a ref to the MGC */
rc = lustre_stop_mgc(sb);
if (rc && (rc != -ENOENT)) {
if (rc != -EBUSY) {
CERROR("Can't stop MGC: %d\n", rc);
return rc;
}
/* BUSY just means that there's some other obd that
needs the mgc. Let him clean it up. */
CDEBUG(D_MOUNT, "MGC still in use\n");
}
/* Drop a ref to the mounted disk */
lustre_put_lsi(sb);
lu_types_stop();
return rc;
}
