--- /dev/null
+/*
+ * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
+ * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU General Public License version 2.
+ */
+
+#include <linux/ctype.h>
+#include <linux/stat.h>
+
+#include "lock_dlm.h"
+
+extern struct lm_lockops gdlm_ops;
+
+static ssize_t proto_name_show(struct gdlm_ls *ls, char *buf)
+{
+ return sprintf(buf, "%s\n", gdlm_ops.lm_proto_name);
+}
+
+static ssize_t block_show(struct gdlm_ls *ls, char *buf)
+{
+ ssize_t ret;
+ int val = 0;
+
+ if (test_bit(DFL_BLOCK_LOCKS, &ls->flags))
+ val = 1;
+ ret = sprintf(buf, "%d\n", val);
+ return ret;
+}
+
+static ssize_t block_store(struct gdlm_ls *ls, const char *buf, size_t len)
+{
+ ssize_t ret = len;
+ int val;
+
+ val = simple_strtol(buf, NULL, 0);
+
+ if (val == 1)
+ set_bit(DFL_BLOCK_LOCKS, &ls->flags);
+ else if (val == 0) {
+ clear_bit(DFL_BLOCK_LOCKS, &ls->flags);
+ gdlm_submit_delayed(ls);
+ } else {
+ ret = -EINVAL;
+ }
+ return ret;
+}
+
+static ssize_t withdraw_show(struct gdlm_ls *ls, char *buf)
+{
+ ssize_t ret;
+ int val = 0;
+
+ if (test_bit(DFL_WITHDRAW, &ls->flags))
+ val = 1;
+ ret = sprintf(buf, "%d\n", val);
+ return ret;
+}
+
+static ssize_t withdraw_store(struct gdlm_ls *ls, const char *buf, size_t len)
+{
+ ssize_t ret = len;
+ int val;
+
+ val = simple_strtol(buf, NULL, 0);
+
+ if (val == 1)
+ set_bit(DFL_WITHDRAW, &ls->flags);
+ else
+ ret = -EINVAL;
+ wake_up(&ls->wait_control);
+ return ret;
+}
+
+static ssize_t id_show(struct gdlm_ls *ls, char *buf)
+{
+ return sprintf(buf, "%u\n", ls->id);
+}
+
+static ssize_t jid_show(struct gdlm_ls *ls, char *buf)
+{
+ return sprintf(buf, "%d\n", ls->jid);
+}
+
+static ssize_t first_show(struct gdlm_ls *ls, char *buf)
+{
+ return sprintf(buf, "%d\n", ls->first);
+}
+
+static ssize_t first_done_show(struct gdlm_ls *ls, char *buf)
+{
+ return sprintf(buf, "%d\n", ls->first_done);
+}
+
+static ssize_t recover_show(struct gdlm_ls *ls, char *buf)
+{
+ return sprintf(buf, "%d\n", ls->recover_jid);
+}
+
+static ssize_t recover_store(struct gdlm_ls *ls, const char *buf, size_t len)
+{
+ ls->recover_jid = simple_strtol(buf, NULL, 0);
+ ls->fscb(ls->sdp, LM_CB_NEED_RECOVERY, &ls->recover_jid);
+ return len;
+}
+
+static ssize_t recover_done_show(struct gdlm_ls *ls, char *buf)
+{
+ return sprintf(buf, "%d\n", ls->recover_jid_done);
+}
+
+static ssize_t recover_status_show(struct gdlm_ls *ls, char *buf)
+{
+ return sprintf(buf, "%d\n", ls->recover_jid_status);
+}
+
+static ssize_t drop_count_show(struct gdlm_ls *ls, char *buf)
+{
+ return sprintf(buf, "%d\n", ls->drop_locks_count);
+}
+
+static ssize_t drop_count_store(struct gdlm_ls *ls, const char *buf, size_t len)
+{
+ ls->drop_locks_count = simple_strtol(buf, NULL, 0);
+ return len;
+}
+
+struct gdlm_attr {
+ struct attribute attr;
+ ssize_t (*show)(struct gdlm_ls *, char *);
+ ssize_t (*store)(struct gdlm_ls *, const char *, size_t);
+};
+
+#define GDLM_ATTR(_name,_mode,_show,_store) \
+static struct gdlm_attr gdlm_attr_##_name = __ATTR(_name,_mode,_show,_store)
+
+GDLM_ATTR(proto_name, 0444, proto_name_show, NULL);
+GDLM_ATTR(block, 0644, block_show, block_store);
+GDLM_ATTR(withdraw, 0644, withdraw_show, withdraw_store);
+GDLM_ATTR(id, 0444, id_show, NULL);
+GDLM_ATTR(jid, 0444, jid_show, NULL);
+GDLM_ATTR(first, 0444, first_show, NULL);
+GDLM_ATTR(first_done, 0444, first_done_show, NULL);
+GDLM_ATTR(recover, 0644, recover_show, recover_store);
+GDLM_ATTR(recover_done, 0444, recover_done_show, NULL);
+GDLM_ATTR(recover_status, 0444, recover_status_show, NULL);
+GDLM_ATTR(drop_count, 0644, drop_count_show, drop_count_store);
+
+static struct attribute *gdlm_attrs[] = {
+ &gdlm_attr_proto_name.attr,
+ &gdlm_attr_block.attr,
+ &gdlm_attr_withdraw.attr,
+ &gdlm_attr_id.attr,
+ &gdlm_attr_jid.attr,
+ &gdlm_attr_first.attr,
+ &gdlm_attr_first_done.attr,
+ &gdlm_attr_recover.attr,
+ &gdlm_attr_recover_done.attr,
+ &gdlm_attr_recover_status.attr,
+ &gdlm_attr_drop_count.attr,
+ NULL,
+};
+
+static ssize_t gdlm_attr_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct gdlm_ls *ls = container_of(kobj, struct gdlm_ls, kobj);
+ struct gdlm_attr *a = container_of(attr, struct gdlm_attr, attr);
+ return a->show ? a->show(ls, buf) : 0;
+}
+
+static ssize_t gdlm_attr_store(struct kobject *kobj, struct attribute *attr,
+ const char *buf, size_t len)
+{
+ struct gdlm_ls *ls = container_of(kobj, struct gdlm_ls, kobj);
+ struct gdlm_attr *a = container_of(attr, struct gdlm_attr, attr);
+ return a->store ? a->store(ls, buf, len) : len;
+}
+
+static struct sysfs_ops gdlm_attr_ops = {
+ .show = gdlm_attr_show,
+ .store = gdlm_attr_store,
+};
+
+static struct kobj_type gdlm_ktype = {
+ .default_attrs = gdlm_attrs,
+ .sysfs_ops = &gdlm_attr_ops,
+};
+
+static struct kset gdlm_kset = {
+ .subsys = &kernel_subsys,
+ .kobj = {.name = "lock_dlm",},
+ .ktype = &gdlm_ktype,
+};
+
+int gdlm_kobject_setup(struct gdlm_ls *ls, struct kobject *fskobj)
+{
+ int error;
+
+ error = kobject_set_name(&ls->kobj, "%s", "lock_module");
+ if (error) {
+ log_error("can't set kobj name %d", error);
+ return error;
+ }
+
+ ls->kobj.kset = &gdlm_kset;
+ ls->kobj.ktype = &gdlm_ktype;
+ ls->kobj.parent = fskobj;
+
+ error = kobject_register(&ls->kobj);
+ if (error)
+ log_error("can't register kobj %d", error);
+
+ return error;
+}
+
+void gdlm_kobject_release(struct gdlm_ls *ls)
+{
+ kobject_unregister(&ls->kobj);
+}
+
+int gdlm_sysfs_init(void)
+{
+ int error;
+
+ error = kset_register(&gdlm_kset);
+ if (error)
+ printk("lock_dlm: cannot register kset %d\n", error);
+
+ return error;
+}
+
+void gdlm_sysfs_exit(void)
+{
+ kset_unregister(&gdlm_kset);
+}
+
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