moved thread creation from callback_server.c to nfs41_delegation_recall() in delegation.c nfs41_delegation_recall() first searches for the delegation, and returns NFS4ERR_BADHANDLE if not found. otherwise, it spawns a thread to handle the recall and returns NFS4_OK delegation_return() calls nfs41_delegation_to_open() for each nfs41_open_state associated with the delegation nfs41_delegation_to_open() sends OPEN with CLAIM_DELEGATE_CUR to reclaim an open stateid, and uses a condition variable in nfs41_open_state to prevent multiple threads from attempting reclaim Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/* Copyright (c) 2010
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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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* 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 DELEGATION_H
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#define DELEGATION_H
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#include "nfs41.h"
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/* reference counting and cleanup */
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void nfs41_delegation_ref(
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IN nfs41_delegation_state *state);
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void nfs41_delegation_deref(
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IN nfs41_delegation_state *state);
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void nfs41_client_delegation_free(
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IN nfs41_client *client);
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/* open delegation */
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int nfs41_delegation_granted(
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IN nfs41_session *session,
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IN nfs41_path_fh *file,
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IN open_delegation4 *delegation,
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OUT nfs41_delegation_state **deleg_out);
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int nfs41_delegate_open(
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IN nfs41_client *client,
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IN nfs41_path_fh *file,
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IN uint32_t create,
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IN uint32_t access,
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IN uint32_t deny,
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OUT nfs41_delegation_state **deleg_out,
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OUT nfs41_file_info *info);
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int nfs41_delegation_to_open(
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IN nfs41_open_state *open,
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IN bool_t try_recovery);
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/* asynchronous delegation recall */
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int nfs41_delegation_recall(
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IN nfs41_client *client,
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IN nfs41_fh *fh,
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IN const stateid4 *stateid,
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IN bool_t truncate);
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#endif /* DELEGATION_H */
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