static int target_quotacheck_thread(void *data)
{
struct quotacheck_thread_args *qta = data;
struct obd_export *exp;
struct obd_device *obd;
struct obd_quotactl *oqctl;
struct lvfs_run_ctxt saved;
int rc;
cfs_daemonize_ctxt("quotacheck");
exp = qta->qta_exp;
obd = qta->qta_obd;
oqctl = &qta->qta_oqctl;
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
rc = fsfilt_quotacheck(obd, qta->qta_sb, oqctl);
if (rc)
CERROR("%s: fsfilt_quotacheck: %d\n", obd->obd_name, rc);
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
rc = target_quotacheck_callback(exp, oqctl);
class_export_put(exp);
cfs_up(qta->qta_sem);
OBD_FREE_PTR(qta);
return rc;
}
static int mdt_ck_thread_main(void *args)
{
struct mdt_device *mdt = args;
struct ptlrpc_thread *thread = &mdt->mdt_ck_thread;
struct lustre_capa_key *bkey = &mdt->mdt_capa_keys[0],
*rkey = &mdt->mdt_capa_keys[1];
struct lustre_capa_key *tmp;
struct lu_env env;
struct mdt_thread_info *info;
struct md_device *next;
struct l_wait_info lwi = { 0 };
mdsno_t mdsnum;
int rc;
ENTRY;
cfs_daemonize_ctxt("mdt_ck");
cfs_block_allsigs();
thread_set_flags(thread, SVC_RUNNING);
cfs_waitq_signal(&thread->t_ctl_waitq);
rc = lu_env_init(&env, LCT_MD_THREAD|LCT_REMEMBER|LCT_NOREF);
if (rc)
RETURN(rc);
thread->t_env = &env;
env.le_ctx.lc_thread = thread;
env.le_ctx.lc_cookie = 0x1;
info = lu_context_key_get(&env.le_ctx, &mdt_thread_key);
LASSERT(info != NULL);
tmp = &info->mti_capa_key;
mdsnum = mdt_md_site(mdt)->ms_node_id;
while (1) {
l_wait_event(thread->t_ctl_waitq,
thread_is_stopping(thread) ||
thread_is_event(thread),
&lwi);
if (thread_is_stopping(thread))
break;
thread_clear_flags(thread, SVC_EVENT);
if (cfs_time_before(cfs_time_current(), mdt->mdt_ck_expiry))
break;
*tmp = *rkey;
make_capa_key(tmp, mdsnum, rkey->lk_keyid);
next = mdt->mdt_child;
rc = next->md_ops->mdo_update_capa_key(&env, next, tmp);
if (!rc) {
cfs_spin_lock(&capa_lock);
*bkey = *rkey;
*rkey = *tmp;
cfs_spin_unlock(&capa_lock);
rc = write_capa_keys(&env, mdt, mdt->mdt_capa_keys);
if (rc) {
cfs_spin_lock(&capa_lock);
*rkey = *bkey;
memset(bkey, 0, sizeof(*bkey));
cfs_spin_unlock(&capa_lock);
} else {
set_capa_key_expiry(mdt);
DEBUG_CAPA_KEY(D_SEC, rkey, "new");
}
}
if (rc) {
DEBUG_CAPA_KEY(D_ERROR, rkey, "update failed for");
/* next retry is in 300 sec */
mdt->mdt_ck_expiry = jiffies + 300 * CFS_HZ;
}
cfs_timer_arm(&mdt->mdt_ck_timer, mdt->mdt_ck_expiry);
CDEBUG(D_SEC, "mdt_ck_timer %lu\n", mdt->mdt_ck_expiry);
}
lu_env_fini(&env);
thread_set_flags(thread, SVC_STOPPED);
cfs_waitq_signal(&thread->t_ctl_waitq);
RETURN(0);
}
