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e47ca50905
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation version 2 of the license this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 021110 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 2 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141334.789682544@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* -*- mode: c; c-basic-offset: 8; -*-
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* vim: noexpandtab sw=8 ts=8 sts=0:
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*
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* sys.c
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*
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* OCFS2 cluster sysfs interface
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*
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* Copyright (C) 2005 Oracle. All rights reserved.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/kobject.h>
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#include <linux/sysfs.h>
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#include <linux/fs.h>
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#include "ocfs2_nodemanager.h"
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#include "masklog.h"
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#include "sys.h"
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static ssize_t version_show(struct kobject *kobj, struct kobj_attribute *attr,
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char *buf)
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{
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return snprintf(buf, PAGE_SIZE, "%u\n", O2NM_API_VERSION);
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}
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static struct kobj_attribute attr_version =
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__ATTR(interface_revision, S_IRUGO, version_show, NULL);
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static struct attribute *o2cb_attrs[] = {
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&attr_version.attr,
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NULL,
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};
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static struct attribute_group o2cb_attr_group = {
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.attrs = o2cb_attrs,
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};
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static struct kset *o2cb_kset;
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void o2cb_sys_shutdown(void)
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{
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mlog_sys_shutdown();
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kset_unregister(o2cb_kset);
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}
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int o2cb_sys_init(void)
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{
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int ret;
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o2cb_kset = kset_create_and_add("o2cb", NULL, fs_kobj);
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if (!o2cb_kset)
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return -ENOMEM;
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ret = sysfs_create_group(&o2cb_kset->kobj, &o2cb_attr_group);
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if (ret)
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goto error;
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ret = mlog_sys_init(o2cb_kset);
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if (ret)
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goto error;
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return 0;
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error:
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kset_unregister(o2cb_kset);
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return ret;
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}
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