/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001-2003 Cluster File Systems, Inc.
- * Author Peter Braam <braam@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * In either case, Lustre 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
- * license text for more details.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef EXPORT_SYMTAB
#include <linux/dcache.h>
#include <linux/fs.h>
#include <linux/random.h>
+#include <linux/mutex.h>
#else
#include <liblustre.h>
#endif
#include "gss_api.h"
static struct proc_dir_entry *gss_proc_root = NULL;
+static struct proc_dir_entry *gss_proc_lk = NULL;
/*
* statistic of "out-of-sequence-window"
atomic_t oos_svc_replay[3]; /* server replay detected */
atomic_t oos_svc_pass[3]; /* server verified ok */
} gss_stat_oos = {
- .oos_lock = SPIN_LOCK_UNLOCKED,
.oos_cli_count = ATOMIC_INIT(0),
.oos_cli_behind = 0,
.oos_svc_replay = { ATOMIC_INIT(0), },
static struct lprocfs_vars gss_lprocfs_vars[] = {
{ "replays", gss_proc_read_oos, NULL },
- { "init_channel", NULL, gss_proc_write_secinit, NULL },
+ { "init_channel", NULL, gss_proc_write_secinit, NULL, NULL, 0222 },
{ NULL }
};
-int gss_init_lproc(void)
+/*
+ * for userspace helper lgss_keyring.
+ *
+ * debug_level: [0, 4], defined in utils/gss/lgss_utils.h
+ */
+static int gss_lk_debug_level = 1;
+
+static int gss_lk_proc_read_dl(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
{
- int rc;
- gss_proc_root = lprocfs_register("gss", sptlrpc_proc_root,
- gss_lprocfs_vars, NULL);
+ return snprintf(page, count, "%u\n", gss_lk_debug_level);
+}
- if (IS_ERR(gss_proc_root)) {
- rc = PTR_ERR(gss_proc_root);
- gss_proc_root = NULL;
- CERROR("failed to initialize lproc entries: %d\n", rc);
+static int gss_lk_proc_write_dl(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ int val, rc;
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc < 0)
return rc;
- }
- return 0;
+ if (val < 0 || val > 4)
+ return -ERANGE;
+
+ gss_lk_debug_level = val;
+ return count;
}
+static struct lprocfs_vars gss_lk_lprocfs_vars[] = {
+ { "debug_level", gss_lk_proc_read_dl, gss_lk_proc_write_dl, NULL },
+ { NULL }
+};
+
void gss_exit_lproc(void)
{
+ if (gss_proc_lk) {
+ lprocfs_remove(&gss_proc_lk);
+ gss_proc_lk = NULL;
+ }
+
if (gss_proc_root) {
lprocfs_remove(&gss_proc_root);
gss_proc_root = NULL;
}
}
+
+int gss_init_lproc(void)
+{
+ int rc;
+
+ spin_lock_init(&gss_stat_oos.oos_lock);
+
+ gss_proc_root = lprocfs_register("gss", sptlrpc_proc_root,
+ gss_lprocfs_vars, NULL);
+ if (IS_ERR(gss_proc_root)) {
+ gss_proc_root = NULL;
+ GOTO(err_out, rc = PTR_ERR(gss_proc_root));
+ }
+
+ gss_proc_lk = lprocfs_register("lgss_keyring", gss_proc_root,
+ gss_lk_lprocfs_vars, NULL);
+ if (IS_ERR(gss_proc_lk)) {
+ gss_proc_lk = NULL;
+ GOTO(err_out, rc = PTR_ERR(gss_proc_root));
+ }
+
+ return 0;
+
+err_out:
+ CERROR("failed to initialize gss lproc entries: %d\n", rc);
+ gss_exit_lproc();
+ return rc;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff