Commit 4f7cdf18 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFSv4: The state manager shouldn't exit on errors that were handled 



nfs4_recovery_handle_error() will correctly handle errors such as
NFS4ERR_CB_PATH_DOWN, however because they are still passed back to the
main loop in nfs4_state_manager(), they can cause the latter to exit
prematurely.

Fix this by letting nfs4_recovery_handle_error() change the error value in
cases where there is no action required by the caller.

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent e345e88a

fs/nfs/nfs4state.c

+5 −6
Original line number Diff line number Diff line
@@ -1051,12 +1051,12 @@ static void nfs4_state_end_reclaim_nograce(struct nfs_client *clp) 
	clear_bit(NFS4CLNT_RECLAIM_NOGRACE, &clp->cl_state);

}



static void nfs4_recovery_handle_error(struct nfs_client *clp, int error)

static int nfs4_recovery_handle_error(struct nfs_client *clp, int error)

{

	switch (error) {

		case -NFS4ERR_CB_PATH_DOWN:

			nfs_handle_cb_pathdown(clp);

			break;

			return 0;

		case -NFS4ERR_STALE_CLIENTID:

		case -NFS4ERR_LEASE_MOVED:

			set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
@@ -1075,6 +1075,7 @@ static void nfs4_recovery_handle_error(struct nfs_client *clp, int error) 
		case -NFS4ERR_SEQ_MISORDERED:

			set_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state);

	}

	return error;

}



static int nfs4_do_reclaim(struct nfs_client *clp, const struct nfs4_state_recovery_ops *ops)
@@ -1094,8 +1095,7 @@ restart: 
		if (status < 0) {

			set_bit(ops->owner_flag_bit, &sp->so_flags);

			nfs4_put_state_owner(sp);

			nfs4_recovery_handle_error(clp, status);

			return status;

			return nfs4_recovery_handle_error(clp, status);

		}

		nfs4_put_state_owner(sp);

		goto restart;
@@ -1125,8 +1125,7 @@ static int nfs4_check_lease(struct nfs_client *clp) 
	status = ops->renew_lease(clp, cred);

	put_rpccred(cred);

out:

	nfs4_recovery_handle_error(clp, status);

	return status;

	return nfs4_recovery_handle_error(clp, status);

}



static int nfs4_reclaim_lease(struct nfs_client *clp)

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