/* SPDX-License-Identifier: GPL-2.0 */ /* * linux/include/linux/lockd/bind.h * * This is the part of lockd visible to nfsd and the nfs client. * * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
*/
/* * This is the set of functions for lockd->nfsd communication
*/ struct nlmsvc_binding {
__be32 (*fopen)(struct svc_rqst *, struct nfs_fh *, struct file **, int mode); void (*fclose)(struct file *);
};
externconststruct nlmsvc_binding *nlmsvc_ops;
/* * Similar to nfs_client_initdata, but without the NFS-specific * rpc_ops field.
*/ struct nlmclnt_initdata { constchar *hostname; conststruct sockaddr *address;
size_t addrlen; unsignedshort protocol;
u32 nfs_version; int noresvport; struct net *net; conststruct nlmclnt_operations *nlmclnt_ops; conststruct cred *cred;
};
/* * NLM client operations provide a means to modify RPC processing of NLM * requests. Callbacks receive a pointer to data passed into the call to * nlmclnt_proc().
*/ struct nlmclnt_operations { /* Called on successful allocation of nlm_rqst, use for allocation or
* reference counting. */ void (*nlmclnt_alloc_call)(void *);
/* Called in rpc_task_prepare for unlock. A return value of true * indicates the callback has put the task to sleep on a waitqueue
* and NLM should not call rpc_call_start(). */ bool (*nlmclnt_unlock_prepare)(struct rpc_task*, void *);
/* Called when the nlm_rqst is freed, callbacks should clean up here */ void (*nlmclnt_release_call)(void *);
};
externint nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl, void *data); externint lockd_up(struct net *net, conststruct cred *cred); externvoid lockd_down(struct net *net);
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