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Commit 8f9d3d3b authored by J. Bruce Fields's avatar J. Bruce Fields
Browse files

nfsd4: expire old client earlier 



Before we had to delay expiring a client till we'd found out whether the
session and connection allocations would succeed.  That's no longer
necessary.

Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 81f0b2a4

fs/nfsd/nfs4state.c

+7 −10
Original line number Diff line number Diff line
@@ -1756,7 +1756,6 @@ nfsd4_create_session(struct svc_rqst *rqstp, 
	struct nfsd4_session *new;

	struct nfsd4_conn *conn;

	struct nfsd4_clid_slot *cs_slot = NULL;

	bool confirm_me = false;

	__be32 status = 0;



	if (cr_ses->flags & ~SESSION4_FLAG_MASK_A)
@@ -1786,6 +1785,8 @@ nfsd4_create_session(struct svc_rqst *rqstp, 
			goto out_free_conn;

		}

	} else if (unconf) {

		unsigned int hash;

		struct nfs4_client *old;

		if (!same_creds(&unconf->cl_cred, &rqstp->rq_cred) ||

		    !rpc_cmp_addr(sa, (struct sockaddr *) &unconf->cl_addr)) {

			status = nfserr_clid_inuse;
@@ -1798,7 +1799,11 @@ nfsd4_create_session(struct svc_rqst *rqstp, 
			status = nfserr_seq_misordered;

			goto out_free_conn;

		}

		confirm_me = true;

		hash = clientstr_hashval(unconf->cl_recdir);

		old = find_confirmed_client_by_str(unconf->cl_recdir, hash);

		if (old)

			expire_client(old);

		move_to_confirmed(unconf);

		conf = unconf;

	} else {

		status = nfserr_stale_clientid;
@@ -1823,14 +1828,6 @@ nfsd4_create_session(struct svc_rqst *rqstp, 


	/* cache solo and embedded create sessions under the state lock */

	nfsd4_cache_create_session(cr_ses, cs_slot, status);

	if (confirm_me) {

		unsigned int hash = clientstr_hashval(unconf->cl_recdir);

		struct nfs4_client *old =

			find_confirmed_client_by_str(conf->cl_recdir, hash);

		if (old)

			expire_client(old);

		move_to_confirmed(conf);

	}

out:

	nfs4_unlock_state();

	dprintk("%s returns %d\n", __func__, ntohl(status));