[PATCH 2/3] dlm: remove file

From: David Teigland
Date: Thu Aug 18 2005 - 01:04:59 EST


The reduced member_sysfs.c is no longer related to lockspace members.
Move what's left into lockspace.c which is the only file that uses the
remaining functions.

Signed-off-by: David Teigland <teigland@xxxxxxxxxx>

---

Makefile | 1
lockspace.c | 155 +++++++++++++++++++++++++++++++++++++++++++++++++++--
lockspace.h | 1
main.c | 14 +---
member.c | 2
member_sysfs.c | 165 ---------------------------------------------------------
member_sysfs.h | 22 -------
7 files changed, 156 insertions(+), 204 deletions(-)

diff -urpN a/drivers/dlm/Makefile b/drivers/dlm/Makefile
--- a/drivers/dlm/Makefile 2005-08-18 13:26:02.648375344 +0800
+++ b/drivers/dlm/Makefile 2005-08-18 13:26:25.736865360 +0800
@@ -9,7 +9,6 @@ dlm-y := ast.o \
lowcomms.o \
main.o \
member.o \
- member_sysfs.o \
memory.o \
midcomms.o \
rcom.o \
diff -urpN a/drivers/dlm/lockspace.c b/drivers/dlm/lockspace.c
--- a/drivers/dlm/lockspace.c 2005-08-18 13:26:02.651374888 +0800
+++ b/drivers/dlm/lockspace.c 2005-08-18 13:26:25.737865208 +0800
@@ -14,7 +14,6 @@
#include "dlm_internal.h"
#include "lockspace.h"
#include "member.h"
-#include "member_sysfs.h"
#include "recoverd.h"
#include "ast.h"
#include "dir.h"
@@ -38,13 +37,159 @@ static spinlock_t lslist_lock;
static struct task_struct * scand_task;


+static ssize_t dlm_control_store(struct dlm_ls *ls, const char *buf, size_t len)
+{
+ ssize_t ret = len;
+ int n = simple_strtol(buf, NULL, 0);
+
+ switch (n) {
+ case 0:
+ dlm_ls_stop(ls);
+ break;
+ case 1:
+ dlm_ls_start(ls);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+ return ret;
+}
+
+static ssize_t dlm_event_store(struct dlm_ls *ls, const char *buf, size_t len)
+{
+ ls->ls_uevent_result = simple_strtol(buf, NULL, 0);
+ set_bit(LSFL_UEVENT_WAIT, &ls->ls_flags);
+ wake_up(&ls->ls_uevent_wait);
+ return len;
+}
+
+static ssize_t dlm_id_show(struct dlm_ls *ls, char *buf)
+{
+ return sprintf(buf, "%u\n", ls->ls_global_id);
+}
+
+static ssize_t dlm_id_store(struct dlm_ls *ls, const char *buf, size_t len)
+{
+ ls->ls_global_id = simple_strtoul(buf, NULL, 0);
+ return len;
+}
+
+struct dlm_attr {
+ struct attribute attr;
+ ssize_t (*show)(struct dlm_ls *, char *);
+ ssize_t (*store)(struct dlm_ls *, const char *, size_t);
+};
+
+static struct dlm_attr dlm_attr_control = {
+ .attr = {.name = "control", .mode = S_IWUSR},
+ .store = dlm_control_store
+};
+
+static struct dlm_attr dlm_attr_event = {
+ .attr = {.name = "event_done", .mode = S_IWUSR},
+ .store = dlm_event_store
+};
+
+static struct dlm_attr dlm_attr_id = {
+ .attr = {.name = "id", .mode = S_IRUGO | S_IWUSR},
+ .show = dlm_id_show,
+ .store = dlm_id_store
+};
+
+static struct attribute *dlm_attrs[] = {
+ &dlm_attr_control.attr,
+ &dlm_attr_event.attr,
+ &dlm_attr_id.attr,
+ NULL,
+};
+
+static ssize_t dlm_attr_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
+{
+ struct dlm_ls *ls = container_of(kobj, struct dlm_ls, ls_kobj);
+ struct dlm_attr *a = container_of(attr, struct dlm_attr, attr);
+ return a->show ? a->show(ls, buf) : 0;
+}
+
+static ssize_t dlm_attr_store(struct kobject *kobj, struct attribute *attr,
+ const char *buf, size_t len)
+{
+ struct dlm_ls *ls = container_of(kobj, struct dlm_ls, ls_kobj);
+ struct dlm_attr *a = container_of(attr, struct dlm_attr, attr);
+ return a->store ? a->store(ls, buf, len) : len;
+}
+
+static struct sysfs_ops dlm_attr_ops = {
+ .show = dlm_attr_show,
+ .store = dlm_attr_store,
+};
+
+static struct kobj_type dlm_ktype = {
+ .default_attrs = dlm_attrs,
+ .sysfs_ops = &dlm_attr_ops,
+};
+
+static struct kset dlm_kset = {
+ .subsys = &kernel_subsys,
+ .kobj = {.name = "dlm",},
+ .ktype = &dlm_ktype,
+};
+
+static int kobject_setup(struct dlm_ls *ls)
+{
+ char lsname[DLM_LOCKSPACE_LEN];
+ int error;
+
+ memset(lsname, 0, DLM_LOCKSPACE_LEN);
+ snprintf(lsname, DLM_LOCKSPACE_LEN, "%s", ls->ls_name);
+
+ error = kobject_set_name(&ls->ls_kobj, "%s", lsname);
+ if (error)
+ return error;
+
+ ls->ls_kobj.kset = &dlm_kset;
+ ls->ls_kobj.ktype = &dlm_ktype;
+ return 0;
+}
+
+static int do_uevent(struct dlm_ls *ls, int in)
+{
+ int error;
+
+ if (in)
+ kobject_uevent(&ls->ls_kobj, KOBJ_ONLINE, NULL);
+ else
+ kobject_uevent(&ls->ls_kobj, KOBJ_OFFLINE, NULL);
+
+ error = wait_event_interruptible(ls->ls_uevent_wait,
+ test_and_clear_bit(LSFL_UEVENT_WAIT, &ls->ls_flags));
+ if (error)
+ goto out;
+
+ error = ls->ls_uevent_result;
+ out:
+ return error;
+}
+
+
int dlm_lockspace_init(void)
{
+ int error;
+
ls_count = 0;
init_MUTEX(&ls_lock);
INIT_LIST_HEAD(&lslist);
spin_lock_init(&lslist_lock);
- return 0;
+
+ error = kset_register(&dlm_kset);
+ if (error)
+ printk("dlm_lockspace_init: cannot register kset %d\n", error);
+ return error;
+}
+
+void dlm_lockspace_exit(void)
+{
+ kset_unregister(&dlm_kset);
}

static int dlm_scand(void *data)
@@ -310,7 +455,7 @@ static int new_lockspace(char *name, int

dlm_create_debug_file(ls);

- error = dlm_kobject_setup(ls);
+ error = kobject_setup(ls);
if (error)
goto out_del;

@@ -318,7 +463,7 @@ static int new_lockspace(char *name, int
if (error)
goto out_del;

- error = dlm_uevent(ls, 1);
+ error = do_uevent(ls, 1);
if (error)
goto out_unreg;

@@ -409,7 +554,7 @@ static int release_lockspace(struct dlm_
return -EBUSY;

if (force < 3)
- dlm_uevent(ls, 0);
+ do_uevent(ls, 0);

dlm_recoverd_stop(ls);

diff -urpN a/drivers/dlm/lockspace.h b/drivers/dlm/lockspace.h
--- a/drivers/dlm/lockspace.h 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/lockspace.h 2005-08-18 13:26:25.737865208 +0800
@@ -15,6 +15,7 @@
#define __LOCKSPACE_DOT_H__

int dlm_lockspace_init(void);
+void dlm_lockspace_exit(void);
struct dlm_ls *dlm_find_lockspace_global(uint32_t id);
struct dlm_ls *dlm_find_lockspace_local(void *id);
struct dlm_ls *dlm_find_lockspace_name(char *name, int namelen);
diff -urpN a/drivers/dlm/main.c b/drivers/dlm/main.c
--- a/drivers/dlm/main.c 2005-08-18 13:26:02.653374584 +0800
+++ b/drivers/dlm/main.c 2005-08-18 13:26:25.738865056 +0800
@@ -13,9 +13,7 @@

#include "dlm_internal.h"
#include "lockspace.h"
-#include "member_sysfs.h"
#include "lock.h"
-#include "device.h"
#include "memory.h"
#include "lowcomms.h"
#include "config.h"
@@ -40,13 +38,9 @@ static int __init init_dlm(void)
if (error)
goto out_mem;

- error = dlm_member_sysfs_init();
- if (error)
- goto out_mem;
-
error = dlm_config_init();
if (error)
- goto out_member;
+ goto out_lockspace;

error = dlm_register_debugfs();
if (error)
@@ -64,8 +58,8 @@ static int __init init_dlm(void)
dlm_unregister_debugfs();
out_config:
dlm_config_exit();
- out_member:
- dlm_member_sysfs_exit();
+ out_lockspace:
+ dlm_lockspace_exit();
out_mem:
dlm_memory_exit();
out:
@@ -75,9 +69,9 @@ static int __init init_dlm(void)
static void __exit exit_dlm(void)
{
dlm_lowcomms_exit();
- dlm_member_sysfs_exit();
dlm_config_exit();
dlm_memory_exit();
+ dlm_lockspace_exit();
dlm_unregister_debugfs();
}

diff -urpN a/drivers/dlm/member.c b/drivers/dlm/member.c
--- a/drivers/dlm/member.c 2005-08-18 13:26:02.654374432 +0800
+++ b/drivers/dlm/member.c 2005-08-18 13:26:25.738865056 +0800
@@ -221,7 +221,7 @@ int dlm_recover_members(struct dlm_ls *l
}

/*
- * Following called from member_sysfs.c
+ * Following called from lockspace.c
*/

int dlm_ls_stop(struct dlm_ls *ls)
diff -urpN a/drivers/dlm/member_sysfs.c b/drivers/dlm/member_sysfs.c
--- a/drivers/dlm/member_sysfs.c 2005-08-18 13:26:02.655374280 +0800
+++ b/drivers/dlm/member_sysfs.c 1970-01-01 07:30:00.000000000 +0730
@@ -1,165 +0,0 @@
-/******************************************************************************
-*******************************************************************************
-**
-** Copyright (C) 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 v.2.
-**
-*******************************************************************************
-******************************************************************************/
-
-#include "dlm_internal.h"
-#include "member.h"
-
-
-static ssize_t dlm_control_store(struct dlm_ls *ls, const char *buf, size_t len)
-{
- ssize_t ret = len;
- int n = simple_strtol(buf, NULL, 0);
-
- switch (n) {
- case 0:
- dlm_ls_stop(ls);
- break;
- case 1:
- dlm_ls_start(ls);
- break;
- default:
- ret = -EINVAL;
- }
- return ret;
-}
-
-static ssize_t dlm_event_store(struct dlm_ls *ls, const char *buf, size_t len)
-{
- ls->ls_uevent_result = simple_strtol(buf, NULL, 0);
- set_bit(LSFL_UEVENT_WAIT, &ls->ls_flags);
- wake_up(&ls->ls_uevent_wait);
- return len;
-}
-
-static ssize_t dlm_id_show(struct dlm_ls *ls, char *buf)
-{
- return sprintf(buf, "%u\n", ls->ls_global_id);
-}
-
-static ssize_t dlm_id_store(struct dlm_ls *ls, const char *buf, size_t len)
-{
- ls->ls_global_id = simple_strtoul(buf, NULL, 0);
- return len;
-}
-
-struct dlm_attr {
- struct attribute attr;
- ssize_t (*show)(struct dlm_ls *, char *);
- ssize_t (*store)(struct dlm_ls *, const char *, size_t);
-};
-
-static struct dlm_attr dlm_attr_control = {
- .attr = {.name = "control", .mode = S_IWUSR},
- .store = dlm_control_store
-};
-
-static struct dlm_attr dlm_attr_event = {
- .attr = {.name = "event_done", .mode = S_IWUSR},
- .store = dlm_event_store
-};
-
-static struct dlm_attr dlm_attr_id = {
- .attr = {.name = "id", .mode = S_IRUGO | S_IWUSR},
- .show = dlm_id_show,
- .store = dlm_id_store
-};
-
-static struct attribute *dlm_attrs[] = {
- &dlm_attr_control.attr,
- &dlm_attr_event.attr,
- &dlm_attr_id.attr,
- NULL,
-};
-
-static ssize_t dlm_attr_show(struct kobject *kobj, struct attribute *attr,
- char *buf)
-{
- struct dlm_ls *ls = container_of(kobj, struct dlm_ls, ls_kobj);
- struct dlm_attr *a = container_of(attr, struct dlm_attr, attr);
- return a->show ? a->show(ls, buf) : 0;
-}
-
-static ssize_t dlm_attr_store(struct kobject *kobj, struct attribute *attr,
- const char *buf, size_t len)
-{
- struct dlm_ls *ls = container_of(kobj, struct dlm_ls, ls_kobj);
- struct dlm_attr *a = container_of(attr, struct dlm_attr, attr);
- return a->store ? a->store(ls, buf, len) : len;
-}
-
-static struct sysfs_ops dlm_attr_ops = {
- .show = dlm_attr_show,
- .store = dlm_attr_store,
-};
-
-static struct kobj_type dlm_ktype = {
- .default_attrs = dlm_attrs,
- .sysfs_ops = &dlm_attr_ops,
-};
-
-static struct kset dlm_kset = {
- .subsys = &kernel_subsys,
- .kobj = {.name = "dlm",},
- .ktype = &dlm_ktype,
-};
-
-int dlm_member_sysfs_init(void)
-{
- int error;
-
- error = kset_register(&dlm_kset);
- if (error)
- printk("dlm_lockspace_init: cannot register kset %d\n", error);
- return error;
-}
-
-void dlm_member_sysfs_exit(void)
-{
- kset_unregister(&dlm_kset);
-}
-
-int dlm_kobject_setup(struct dlm_ls *ls)
-{
- char lsname[DLM_LOCKSPACE_LEN];
- int error;
-
- memset(lsname, 0, DLM_LOCKSPACE_LEN);
- snprintf(lsname, DLM_LOCKSPACE_LEN, "%s", ls->ls_name);
-
- error = kobject_set_name(&ls->ls_kobj, "%s", lsname);
- if (error)
- return error;
-
- ls->ls_kobj.kset = &dlm_kset;
- ls->ls_kobj.ktype = &dlm_ktype;
- return 0;
-}
-
-int dlm_uevent(struct dlm_ls *ls, int in)
-{
- int error;
-
- if (in)
- kobject_uevent(&ls->ls_kobj, KOBJ_ONLINE, NULL);
- else
- kobject_uevent(&ls->ls_kobj, KOBJ_OFFLINE, NULL);
-
- error = wait_event_interruptible(ls->ls_uevent_wait,
- test_and_clear_bit(LSFL_UEVENT_WAIT, &ls->ls_flags));
- if (error)
- goto out;
-
- error = ls->ls_uevent_result;
- out:
- return error;
-}
-
diff -urpN a/drivers/dlm/member_sysfs.h b/drivers/dlm/member_sysfs.h
--- a/drivers/dlm/member_sysfs.h 2005-08-17 17:19:22.000000000 +0800
+++ b/drivers/dlm/member_sysfs.h 1970-01-01 07:30:00.000000000 +0730
@@ -1,22 +0,0 @@
-/******************************************************************************
-*******************************************************************************
-**
-** Copyright (C) 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 v.2.
-**
-*******************************************************************************
-******************************************************************************/
-
-#ifndef __MEMBER_SYSFS_DOT_H__
-#define __MEMBER_SYSFS_DOT_H__
-
-int dlm_member_sysfs_init(void);
-void dlm_member_sysfs_exit(void);
-int dlm_kobject_setup(struct dlm_ls *ls);
-int dlm_uevent(struct dlm_ls *ls, int in);
-
-#endif /* __MEMBER_SYSFS_DOT_H__ */
-
-
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