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The identifier is read as an RCU protected string. Its value may be changed during the lifetime of the network namespace by writing a new string into the sysfs pseudofile (at which point, we free the old string only after a call to synchronize_rcu()). Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
25 lines
506 B
C
25 lines
506 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 Hammerspace Inc
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*/
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#ifndef __NFS_SYSFS_H
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#define __NFS_SYSFS_H
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#define CONTAINER_ID_MAXLEN (64)
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struct nfs_netns_client {
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struct kobject kobject;
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struct net *net;
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const char __rcu *identifier;
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};
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extern struct kobject *nfs_client_kobj;
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extern int nfs_sysfs_init(void);
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extern void nfs_sysfs_exit(void);
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void nfs_netns_sysfs_setup(struct nfs_net *netns, struct net *net);
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void nfs_netns_sysfs_destroy(struct nfs_net *netns);
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#endif
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