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linux-next/fs/nfs/sysfs.h

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NFS: Use the correct style for SPDX License Identifier This patch corrects the SPDX License Identifier style in header file related to NFS Client support. For C header files Documentation/process/license-rules.rst mandates C-like comments (opposed to C source files where C++ style should be used). Changes made by using a script provided by Joe Perches here: https://lkml.org/lkml/2019/2/7/46. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2020-04-25 21:27:58 +08:00
/* SPDX-License-Identifier: GPL-2.0 */
NFS: Create a root NFS directory in /sys/fs/nfs Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-01-25 05:10:46 +08:00
/*
* Copyright (c) 2019 Hammerspace Inc
*/
#ifndef __NFS_SYSFS_H
#define __NFS_SYSFS_H
NFS: Add sysfs support for per-container identifier In order to identify containers to the NFS client, we add a per-net sysfs attribute that udev can fill with the appropriate identifier. The identifier could be a unique hostname, but in most cases it will probably be a persisted uuid. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-01-30 10:40:10 +08:00
#define CONTAINER_ID_MAXLEN (64)
struct nfs_netns_client {
struct kobject kobject;
struct net *net;
NFSv4: Fix up RCU annotations for struct nfs_netns_client 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>
2020-10-15 03:22:11 +08:00
const char __rcu *identifier;
NFS: Add sysfs support for per-container identifier In order to identify containers to the NFS client, we add a per-net sysfs attribute that udev can fill with the appropriate identifier. The identifier could be a unique hostname, but in most cases it will probably be a persisted uuid. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-01-30 10:40:10 +08:00
};
NFS: Create a root NFS directory in /sys/fs/nfs Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-01-25 05:10:46 +08:00
extern struct kobject *nfs_client_kobj;
extern int nfs_sysfs_init(void);
extern void nfs_sysfs_exit(void);
NFS: Add sysfs support for per-container identifier In order to identify containers to the NFS client, we add a per-net sysfs attribute that udev can fill with the appropriate identifier. The identifier could be a unique hostname, but in most cases it will probably be a persisted uuid. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-01-30 10:40:10 +08:00
void nfs_netns_sysfs_setup(struct nfs_net *netns, struct net *net);
void nfs_netns_sysfs_destroy(struct nfs_net *netns);
NFS: Create a root NFS directory in /sys/fs/nfs Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-01-25 05:10:46 +08:00
#endif
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