/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
 * vim:expandtab:shiftwidth=8:tabstop=8:
 */

#ifndef _GKS_INTERNAL_H
#define _GKS_INTERNAL_H

#define GKS_SERVICE_WATCHDOG_TIMEOUT 30000
struct mdc_rpc_lock {
        struct semaphore rpcl_sem;
        struct lookup_intent *rpcl_it;
};

static inline void gkc_init_rpc_lock(struct mdc_rpc_lock *lck)
{
        sema_init(&lck->rpcl_sem, 1);
        lck->rpcl_it = NULL;
}

static inline void gkc_get_rpc_lock(struct mdc_rpc_lock *lck,
                                    struct lookup_intent *it)
{
        ENTRY;
        down(&lck->rpcl_sem);
        if (it) {
                lck->rpcl_it = it;
        }
}

static inline void gkc_put_rpc_lock(struct mdc_rpc_lock *lck,
                                    struct lookup_intent *it)
{
        EXIT;
        if (it == NULL) {
                LASSERT(it == lck->rpcl_it);
                up(&lck->rpcl_sem);
                return;
        }
        if (it) {
                LASSERT(it == lck->rpcl_it);
                lck->rpcl_it = NULL;
                up(&lck->rpcl_sem);
        }
}

#endif /* _GKS_INTERNAL_H */