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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/fs/ocfs2/cluster/netdebug.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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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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@@ -6,22 +7,6 @@
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  * debug functionality for o2net
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  *
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  * Copyright (C) 2005, 2008 Oracle.  All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public
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- * License as published by the Free Software Foundation; either
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- * version 2 of the License, or (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- * General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public
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- * License along with this program; if not, write to the
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- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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- * Boston, MA 021110-1307, USA.
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- *
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  */
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 #ifdef CONFIG_DEBUG_FS
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@@ -53,10 +38,6 @@
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 #define SHOW_SOCK_STATS		1
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 static struct dentry *o2net_dentry;
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-static struct dentry *sc_dentry;
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-static struct dentry *nst_dentry;
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-static struct dentry *stats_dentry;
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-static struct dentry *nodes_dentry;
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 static DEFINE_SPINLOCK(o2net_debug_lock);
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@@ -462,8 +443,8 @@
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 	o2net_fill_node_map(map, sizeof(map));
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 	while ((i = find_next_bit(map, O2NM_MAX_NODES, i + 1)) < O2NM_MAX_NODES)
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-		out += snprintf(buf + out, PAGE_SIZE - out, "%d ", i);
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-	out += snprintf(buf + out, PAGE_SIZE - out, "\n");
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+		out += scnprintf(buf + out, PAGE_SIZE - out, "%d ", i);
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+	out += scnprintf(buf + out, PAGE_SIZE - out, "\n");
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 	return out;
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 }
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@@ -505,36 +486,23 @@
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 void o2net_debugfs_exit(void)
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 {
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-	debugfs_remove(nodes_dentry);
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-	debugfs_remove(stats_dentry);
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-	debugfs_remove(sc_dentry);
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-	debugfs_remove(nst_dentry);
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-	debugfs_remove(o2net_dentry);
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+	debugfs_remove_recursive(o2net_dentry);
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 }
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-int o2net_debugfs_init(void)
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+void o2net_debugfs_init(void)
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 {
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 	umode_t mode = S_IFREG|S_IRUSR;
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 	o2net_dentry = debugfs_create_dir(O2NET_DEBUG_DIR, NULL);
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-	if (o2net_dentry)
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-		nst_dentry = debugfs_create_file(NST_DEBUG_NAME, mode,
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-					o2net_dentry, NULL, &nst_seq_fops);
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-	if (nst_dentry)
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-		sc_dentry = debugfs_create_file(SC_DEBUG_NAME, mode,
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-					o2net_dentry, NULL, &sc_seq_fops);
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-	if (sc_dentry)
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-		stats_dentry = debugfs_create_file(STATS_DEBUG_NAME, mode,
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-					o2net_dentry, NULL, &stats_seq_fops);
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-	if (stats_dentry)
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-		nodes_dentry = debugfs_create_file(NODES_DEBUG_NAME, mode,
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-					o2net_dentry, NULL, &nodes_fops);
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-	if (nodes_dentry)
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-		return 0;
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-	o2net_debugfs_exit();
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-	mlog_errno(-ENOMEM);
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-	return -ENOMEM;
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+	debugfs_create_file(NST_DEBUG_NAME, mode, o2net_dentry, NULL,
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+			    &nst_seq_fops);
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+	debugfs_create_file(SC_DEBUG_NAME, mode, o2net_dentry, NULL,
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+			    &sc_seq_fops);
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+	debugfs_create_file(STATS_DEBUG_NAME, mode, o2net_dentry, NULL,
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+			    &stats_seq_fops);
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+	debugfs_create_file(NODES_DEBUG_NAME, mode, o2net_dentry, NULL,
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+			    &nodes_fops);
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 }
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 #endif	/* CONFIG_DEBUG_FS */