*/
#include <linux/sched.h>
-#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/completion.h>
#include <linux/buffer_head.h>
#include <linux/kobject.h>
#include <asm/uaccess.h>
#include <linux/gfs2_ondisk.h>
+#include <linux/genhd.h>
#include "gfs2.h"
#include "incore.h"
return a->store ? a->store(sdp, buf, len) : len;
}
-static struct sysfs_ops gfs2_attr_ops = {
+static const struct sysfs_ops gfs2_attr_ops = {
.show = gfs2_attr_show,
.store = gfs2_attr_store,
};
buf[0] = '\0';
if (!gfs2_uuid_valid(uuid))
return 0;
- return snprintf(buf, PAGE_SIZE, "%02X%02X%02X%02X-%02X%02X-"
- "%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X\n",
- uuid[0], uuid[1], uuid[2], uuid[3], uuid[4], uuid[5],
- uuid[6], uuid[7], uuid[8], uuid[9], uuid[10], uuid[11],
- uuid[12], uuid[13], uuid[14], uuid[15]);
+ return snprintf(buf, PAGE_SIZE, "%pUB\n", uuid);
}
static ssize_t freeze_show(struct gfs2_sbd *sdp, char *buf)
if (simple_strtol(buf, NULL, 0) != 1)
return -EINVAL;
- gfs2_statfs_sync(sdp);
+ gfs2_statfs_sync(sdp->sd_vfs, 0);
return len;
}
if (simple_strtol(buf, NULL, 0) != 1)
return -EINVAL;
- gfs2_quota_sync(sdp);
+ gfs2_quota_sync(sdp->sd_vfs, 0, 1);
return len;
}
static ssize_t quota_refresh_user_store(struct gfs2_sbd *sdp, const char *buf,
size_t len)
{
+ int error;
u32 id;
if (!capable(CAP_SYS_ADMIN))
id = simple_strtoul(buf, NULL, 0);
- gfs2_quota_refresh(sdp, 1, id);
- return len;
+ error = gfs2_quota_refresh(sdp, 1, id);
+ return error ? error : len;
}
static ssize_t quota_refresh_group_store(struct gfs2_sbd *sdp, const char *buf,
size_t len)
{
+ int error;
u32 id;
if (!capable(CAP_SYS_ADMIN))
id = simple_strtoul(buf, NULL, 0);
- gfs2_quota_refresh(sdp, 0, id);
- return len;
+ error = gfs2_quota_refresh(sdp, 0, id);
+ return error ? error : len;
}
static ssize_t demote_rq_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
.sysfs_ops = &gfs2_attr_ops,
};
-/*
- * display struct lm_lockstruct fields
- */
-
-#define LOCKSTRUCT_ATTR(name, fmt) \
-static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \
-{ \
- return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_lockstruct.ls_##name); \
-} \
-static struct gfs2_attr lockstruct_attr_##name = __ATTR_RO(name)
-
-LOCKSTRUCT_ATTR(jid, "%u\n");
-LOCKSTRUCT_ATTR(first, "%u\n");
-
-static struct attribute *lockstruct_attrs[] = {
- &lockstruct_attr_jid.attr,
- &lockstruct_attr_first.attr,
- NULL,
-};
/*
* lock_module. Originally from lock_dlm
return ret;
}
-static ssize_t lkid_show(struct gfs2_sbd *sdp, char *buf)
-{
- struct lm_lockstruct *ls = &sdp->sd_lockstruct;
- return sprintf(buf, "%u\n", ls->ls_id);
-}
-
static ssize_t lkfirst_show(struct gfs2_sbd *sdp, char *buf)
{
struct lm_lockstruct *ls = &sdp->sd_lockstruct;
return sprintf(buf, "%d\n", ls->ls_first_done);
}
-static ssize_t recover_show(struct gfs2_sbd *sdp, char *buf)
-{
- struct lm_lockstruct *ls = &sdp->sd_lockstruct;
- return sprintf(buf, "%d\n", ls->ls_recover_jid);
-}
-
-static void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid)
+static ssize_t recover_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
{
+ unsigned jid;
struct gfs2_jdesc *jd;
+ int rv;
+
+ rv = sscanf(buf, "%u", &jid);
+ if (rv != 1)
+ return -EINVAL;
+ rv = -ESHUTDOWN;
spin_lock(&sdp->sd_jindex_spin);
+ if (test_bit(SDF_NORECOVERY, &sdp->sd_flags))
+ goto out;
+ rv = -EBUSY;
+ if (sdp->sd_jdesc->jd_jid == jid)
+ goto out;
+ rv = -ENOENT;
list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
if (jd->jd_jid != jid)
continue;
- jd->jd_dirty = 1;
+ rv = slow_work_enqueue(&jd->jd_work);
break;
}
+out:
spin_unlock(&sdp->sd_jindex_spin);
-}
-
-static ssize_t recover_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
-{
- struct lm_lockstruct *ls = &sdp->sd_lockstruct;
- ls->ls_recover_jid = simple_strtol(buf, NULL, 0);
- gfs2_jdesc_make_dirty(sdp, ls->ls_recover_jid);
- if (sdp->sd_recoverd_process)
- wake_up_process(sdp->sd_recoverd_process);
- return len;
+ return rv ? rv : len;
}
static ssize_t recover_done_show(struct gfs2_sbd *sdp, char *buf)
return sprintf(buf, "%d\n", ls->ls_recover_jid_status);
}
+static ssize_t jid_show(struct gfs2_sbd *sdp, char *buf)
+{
+ return sprintf(buf, "%u\n", sdp->sd_lockstruct.ls_jid);
+}
+
#define GDLM_ATTR(_name,_mode,_show,_store) \
static struct gfs2_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, lkid_show, NULL);
-GDLM_ATTR(first, 0444, lkfirst_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(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(jid, 0444, jid_show, NULL);
+GDLM_ATTR(first, 0444, lkfirst_show, NULL);
+GDLM_ATTR(first_done, 0444, first_done_show, NULL);
+GDLM_ATTR(recover, 0600, NULL, recover_store);
+GDLM_ATTR(recover_done, 0444, recover_done_show, NULL);
+GDLM_ATTR(recover_status, 0444, recover_status_show, NULL);
static struct attribute *lock_module_attrs[] = {
&gdlm_attr_proto_name.attr,
&gdlm_attr_block.attr,
&gdlm_attr_withdraw.attr,
- &gdlm_attr_id.attr,
- &lockstruct_attr_jid.attr,
+ &gdlm_attr_jid.attr,
&gdlm_attr_first.attr,
&gdlm_attr_first_done.attr,
&gdlm_attr_recover.attr,
NULL,
};
-#define ARGS_ATTR(name, fmt) \
-static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \
-{ \
- return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_args.ar_##name); \
-} \
-static struct gfs2_attr args_attr_##name = __ATTR_RO(name)
-
-ARGS_ATTR(lockproto, "%s\n");
-ARGS_ATTR(locktable, "%s\n");
-ARGS_ATTR(hostdata, "%s\n");
-ARGS_ATTR(spectator, "%d\n");
-ARGS_ATTR(ignore_local_fs, "%d\n");
-ARGS_ATTR(localcaching, "%d\n");
-ARGS_ATTR(localflocks, "%d\n");
-ARGS_ATTR(debug, "%d\n");
-ARGS_ATTR(upgrade, "%d\n");
-ARGS_ATTR(posix_acl, "%d\n");
-ARGS_ATTR(quota, "%u\n");
-ARGS_ATTR(suiddir, "%d\n");
-ARGS_ATTR(data, "%d\n");
-
-static struct attribute *args_attrs[] = {
- &args_attr_lockproto.attr,
- &args_attr_locktable.attr,
- &args_attr_hostdata.attr,
- &args_attr_spectator.attr,
- &args_attr_ignore_local_fs.attr,
- &args_attr_localcaching.attr,
- &args_attr_localflocks.attr,
- &args_attr_debug.attr,
- &args_attr_upgrade.attr,
- &args_attr_posix_acl.attr,
- &args_attr_quota.attr,
- &args_attr_suiddir.attr,
- &args_attr_data.attr,
- NULL,
-};
-
/*
* get and set struct gfs2_tune fields
*/
TUNE_ATTR(statfs_slow, 0);
TUNE_ATTR(new_files_jdata, 0);
TUNE_ATTR(quota_simul_sync, 1);
-TUNE_ATTR(stall_secs, 1);
TUNE_ATTR(statfs_quantum, 1);
TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store);
&tune_attr_complain_secs.attr,
&tune_attr_statfs_slow.attr,
&tune_attr_quota_simul_sync.attr,
- &tune_attr_stall_secs.attr,
&tune_attr_statfs_quantum.attr,
&tune_attr_quota_scale.attr,
&tune_attr_new_files_jdata.attr,
NULL,
};
-static struct attribute_group lockstruct_group = {
- .name = "lockstruct",
- .attrs = lockstruct_attrs,
-};
-
-static struct attribute_group args_group = {
- .name = "args",
- .attrs = args_attrs,
-};
-
static struct attribute_group tune_group = {
.name = "tune",
.attrs = tune_attrs,
int gfs2_sys_fs_add(struct gfs2_sbd *sdp)
{
+ struct super_block *sb = sdp->sd_vfs;
int error;
+ char ro[20];
+ char spectator[20];
+ char *envp[] = { ro, spectator, NULL };
+
+ sprintf(ro, "RDONLY=%d", (sb->s_flags & MS_RDONLY) ? 1 : 0);
+ sprintf(spectator, "SPECTATOR=%d", sdp->sd_args.ar_spectator ? 1 : 0);
sdp->sd_kobj.kset = gfs2_kset;
error = kobject_init_and_add(&sdp->sd_kobj, &gfs2_ktype, NULL,
if (error)
goto fail;
- error = sysfs_create_group(&sdp->sd_kobj, &lockstruct_group);
- if (error)
- goto fail_reg;
-
- error = sysfs_create_group(&sdp->sd_kobj, &args_group);
- if (error)
- goto fail_lockstruct;
-
error = sysfs_create_group(&sdp->sd_kobj, &tune_group);
if (error)
- goto fail_args;
+ goto fail_reg;
error = sysfs_create_group(&sdp->sd_kobj, &lock_module_group);
if (error)
goto fail_tune;
- kobject_uevent(&sdp->sd_kobj, KOBJ_ADD);
+ error = sysfs_create_link(&sdp->sd_kobj,
+ &disk_to_dev(sb->s_bdev->bd_disk)->kobj,
+ "device");
+ if (error)
+ goto fail_lock_module;
+
+ kobject_uevent_env(&sdp->sd_kobj, KOBJ_ADD, envp);
return 0;
+fail_lock_module:
+ sysfs_remove_group(&sdp->sd_kobj, &lock_module_group);
fail_tune:
sysfs_remove_group(&sdp->sd_kobj, &tune_group);
-fail_args:
- sysfs_remove_group(&sdp->sd_kobj, &args_group);
-fail_lockstruct:
- sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
fail_reg:
kobject_put(&sdp->sd_kobj);
fail:
void gfs2_sys_fs_del(struct gfs2_sbd *sdp)
{
+ sysfs_remove_link(&sdp->sd_kobj, "device");
sysfs_remove_group(&sdp->sd_kobj, &tune_group);
- sysfs_remove_group(&sdp->sd_kobj, &args_group);
- sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
sysfs_remove_group(&sdp->sd_kobj, &lock_module_group);
kobject_put(&sdp->sd_kobj);
}
-
static int gfs2_uevent(struct kset *kset, struct kobject *kobj,
struct kobj_uevent_env *env)
{
add_uevent_var(env, "LOCKTABLE=%s", sdp->sd_table_name);
add_uevent_var(env, "LOCKPROTO=%s", sdp->sd_proto_name);
- if (gfs2_uuid_valid(uuid)) {
- add_uevent_var(env, "UUID=%02X%02X%02X%02X-%02X%02X-%02X%02X-"
- "%02X%02X-%02X%02X%02X%02X%02X%02X",
- uuid[0], uuid[1], uuid[2], uuid[3], uuid[4],
- uuid[5], uuid[6], uuid[7], uuid[8], uuid[9],
- uuid[10], uuid[11], uuid[12], uuid[13],
- uuid[14], uuid[15]);
- }
+ if (!sdp->sd_args.ar_spectator)
+ add_uevent_var(env, "JOURNALID=%u", sdp->sd_lockstruct.ls_jid);
+ if (gfs2_uuid_valid(uuid))
+ add_uevent_var(env, "UUID=%pUB", uuid);
return 0;
}
-static struct kset_uevent_ops gfs2_uevent_ops = {
+static const struct kset_uevent_ops gfs2_uevent_ops = {
.uevent = gfs2_uevent,
};
-
int gfs2_sys_init(void)
{
gfs2_kset = kset_create_and_add("gfs2", &gfs2_uevent_ops, fs_kobj);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff