78a0bb0ac5
if any of (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED | SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED | SEQ4_STATUS_ADMIN_STATE_REVOKED) are set in the session flags returned by SEQUENCE: * enter client recovery mode * determine which state was lost with TEST_STATEID (consider all delegations, opens, locks, and layouts) * send FREE_STATEID for each stateid revoked * recall all layouts and forget devices (required by 12.7.2: Dealing with Lease Expiration on the Client) * call recover_delegation(), recover_open() or recover_locks() to reclaim each lock Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/* Copyright (c) 2010, 2011
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* The Regents of the University of Michigan
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* All Rights Reserved
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*
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* Olga Kornievskaia <aglo@umich.edu>
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* Casey Bodley <cbodley@umich.edu>
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*
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* Permission is granted to use, copy and redistribute this software
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* for noncommercial education and research purposes, so long as no
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* fee is charged, and so long as the name of the University of Michigan
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* is not used in any advertising or publicity pertaining to the use
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* or distribution of this software without specific, written prior
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* authorization. Permission to modify or otherwise create derivative
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* works of this software is not granted.
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*
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* This software is provided as is, without representation or warranty
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* of any kind either express or implied, including without limitation
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* the implied warranties of merchantability, fitness for a particular
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* purpose, or noninfringement. The Regents of the University of
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* Michigan shall not be liable for any damages, including special,
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* indirect, incidental, or consequential damages, with respect to any
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* claim arising out of or in connection with the use of the software,
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* even if it has been or is hereafter advised of the possibility of
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* such damages.
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*/
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#ifndef RECOVERY_H
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#define RECOVERY_H
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#include "nfs41.h"
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/* session/client recovery uses a lock and condition variable in nfs41_client
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* to prevent multiple threads from attempting to recover at the same time */
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bool_t nfs41_recovery_start_or_wait(
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IN nfs41_client *client);
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void nfs41_recovery_finish(
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IN nfs41_client *client);
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int nfs41_recover_client_state(
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IN nfs41_session *session,
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IN nfs41_client *client);
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void nfs41_client_state_revoked(
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IN nfs41_session *session,
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IN nfs41_client *client,
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IN uint32_t revoked);
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struct __nfs_argop4;
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bool_t nfs41_recover_stateid(
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IN nfs41_session *session,
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IN struct __nfs_argop4 *argop);
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#endif /* RECOVERY_H */
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