nfsd4.1: common slot allocation size calculation

		kfree(ses->se_slots[i]);

}

/*

 * We don't actually need to cache the rpc and session headers, so we

 * can allocate a little less for each slot:

 */

static inline int slot_bytes(struct nfsd4_channel_attrs *ca)

{

	return ca->maxresp_cached - NFSD_MIN_HDR_SEQ_SZ;

}

static int

alloc_init_session(struct svc_rqst *rqstp, struct nfs4_client *clp,

		   struct nfsd4_create_session *cses)

	memcpy(new, &tmp, sizeof(*new));

	/* allocate each struct nfsd4_slot and data cache in one piece */

	cachesize = new->se_fchannel.maxresp_cached - NFSD_MIN_HDR_SEQ_SZ;

	cachesize = slot_bytes(&new->se_fchannel);

	for (i = 0; i < new->se_fchannel.maxreqs; i++) {

		sp = kzalloc(sizeof(*sp) + cachesize, GFP_KERNEL);

		if (!sp)

	ses = container_of(kref, struct nfsd4_session, se_ref);

	spin_lock(&nfsd_drc_lock);

	mem = ses->se_fchannel.maxreqs

		* (ses->se_fchannel.maxresp_cached - NFSD_MIN_HDR_SEQ_SZ);

	mem = ses->se_fchannel.maxreqs * slot_bytes(&ses->se_fchannel);

	nfsd_drc_mem_used -= mem;

	spin_unlock(&nfsd_drc_lock);

	free_session_slots(ses);