/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2004-2006 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.
+ * of the GNU General Public License version 2.
*/
#include <linux/sched.h>
#include <linux/module.h>
#include <linux/kobject.h>
#include <linux/gfs2_ondisk.h>
+#include <linux/lm_interface.h>
#include <asm/uaccess.h>
#include "gfs2.h"
-#include "lm_interface.h"
#include "incore.h"
-#include "lm.h"
#include "sys.h"
#include "super.h"
#include "glock.h"
static ssize_t id_show(struct gfs2_sbd *sdp, char *buf)
{
- return sprintf(buf, "%s\n", sdp->sd_vfs->s_id);
+ return snprintf(buf, PAGE_SIZE, "%u:%u\n",
+ MAJOR(sdp->sd_vfs->s_dev), MINOR(sdp->sd_vfs->s_dev));
}
static ssize_t fsname_show(struct gfs2_sbd *sdp, char *buf)
{
- return sprintf(buf, "%s\n", sdp->sd_fsname);
+ return snprintf(buf, PAGE_SIZE, "%s\n", sdp->sd_fsname);
}
static ssize_t freeze_show(struct gfs2_sbd *sdp, char *buf)
count = sdp->sd_freeze_count;
mutex_unlock(&sdp->sd_freeze_lock);
- return sprintf(buf, "%u\n", count);
+ return snprintf(buf, PAGE_SIZE, "%u\n", count);
}
static ssize_t freeze_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
static ssize_t withdraw_show(struct gfs2_sbd *sdp, char *buf)
{
unsigned int b = test_bit(SDF_SHUTDOWN, &sdp->sd_flags);
- return sprintf(buf, "%u\n", b);
+ return snprintf(buf, PAGE_SIZE, "%u\n", b);
}
static ssize_t withdraw_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
return len;
}
-static ssize_t shrink_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
-{
- if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
-
- if (simple_strtol(buf, NULL, 0) != 1)
- return -EINVAL;
-
- gfs2_gl_hash_clear(sdp, NO_WAIT);
- return len;
-}
-
static ssize_t quota_sync_store(struct gfs2_sbd *sdp, const char *buf,
size_t len)
{
static ssize_t quota_refresh_user_store(struct gfs2_sbd *sdp, const char *buf,
size_t len)
{
- uint32_t id;
+ u32 id;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
static ssize_t quota_refresh_group_store(struct gfs2_sbd *sdp, const char *buf,
size_t len)
{
- uint32_t id;
+ u32 id;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
GFS2_ATTR(id, 0444, id_show, NULL);
GFS2_ATTR(fsname, 0444, fsname_show, NULL);
GFS2_ATTR(freeze, 0644, freeze_show, freeze_store);
-GFS2_ATTR(shrink, 0200, NULL, shrink_store);
GFS2_ATTR(withdraw, 0644, withdraw_show, withdraw_store);
GFS2_ATTR(statfs_sync, 0200, NULL, statfs_sync_store);
GFS2_ATTR(quota_sync, 0200, NULL, quota_sync_store);
&gfs2_attr_id.attr,
&gfs2_attr_fsname.attr,
&gfs2_attr_freeze.attr,
- &gfs2_attr_shrink.attr,
&gfs2_attr_withdraw.attr,
&gfs2_attr_statfs_sync.attr,
&gfs2_attr_quota_sync.attr,
.sysfs_ops = &gfs2_attr_ops,
};
-static struct kset gfs2_kset = {
- .subsys = &fs_subsys,
- .kobj = {.name = "gfs2",},
- .ktype = &gfs2_ktype,
-};
+static struct kset *gfs2_kset;
/*
* display struct lm_lockstruct fields
#define LOCKSTRUCT_ATTR(name, fmt) \
static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \
{ \
- return sprintf(buf, fmt, sdp->sd_lockstruct.ls_##name); \
+ return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_lockstruct.ls_##name); \
} \
static struct lockstruct_attr lockstruct_attr_##name = __ATTR_RO(name)
&lockstruct_attr_first.attr,
&lockstruct_attr_lvb_size.attr,
&lockstruct_attr_flags.attr,
- NULL
+ NULL,
};
/*
#define ARGS_ATTR(name, fmt) \
static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \
{ \
- return sprintf(buf, fmt, sdp->sd_args.ar_##name); \
+ return snprintf(buf, PAGE_SIZE, fmt, sdp->sd_args.ar_##name); \
} \
static struct args_attr args_attr_##name = __ATTR_RO(name)
ARGS_ATTR(suiddir, "%d\n");
ARGS_ATTR(data, "%d\n");
-/* one oddball doesn't fit the macro mold */
-static ssize_t noatime_show(struct gfs2_sbd *sdp, char *buf)
-{
- return sprintf(buf, "%d\n", !!test_bit(SDF_NOATIME, &sdp->sd_flags));
-}
-static struct args_attr args_attr_noatime = __ATTR_RO(noatime);
-
static struct attribute *args_attrs[] = {
&args_attr_lockproto.attr,
&args_attr_locktable.attr,
&args_attr_quota.attr,
&args_attr_suiddir.attr,
&args_attr_data.attr,
- &args_attr_noatime.attr,
- NULL
+ NULL,
};
/*
#define COUNTERS_ATTR(name, fmt) \
static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \
{ \
- return sprintf(buf, fmt, (unsigned int)atomic_read(&sdp->sd_##name)); \
+ return snprintf(buf, PAGE_SIZE, fmt, \
+ (unsigned int)atomic_read(&sdp->sd_##name)); \
} \
static struct counters_attr counters_attr_##name = __ATTR_RO(name)
-COUNTERS_ATTR(glock_count, "%u\n");
-COUNTERS_ATTR(glock_held_count, "%u\n");
-COUNTERS_ATTR(inode_count, "%u\n");
COUNTERS_ATTR(reclaimed, "%u\n");
static struct attribute *counters_attrs[] = {
- &counters_attr_glock_count.attr,
- &counters_attr_glock_held_count.attr,
- &counters_attr_inode_count.attr,
&counters_attr_reclaimed.attr,
- NULL
+ NULL,
};
/*
static ssize_t quota_scale_show(struct gfs2_sbd *sdp, char *buf)
{
- return sprintf(buf, "%u %u\n", sdp->sd_tune.gt_quota_scale_num,
- sdp->sd_tune.gt_quota_scale_den);
+ return snprintf(buf, PAGE_SIZE, "%u %u\n",
+ sdp->sd_tune.gt_quota_scale_num,
+ sdp->sd_tune.gt_quota_scale_den);
}
static ssize_t quota_scale_store(struct gfs2_sbd *sdp, const char *buf,
#define TUNE_ATTR_2(name, store) \
static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \
{ \
- return sprintf(buf, "%u\n", sdp->sd_tune.gt_##name); \
+ return snprintf(buf, PAGE_SIZE, "%u\n", sdp->sd_tune.gt_##name); \
} \
TUNE_ATTR_3(name, name##_show, store)
} \
TUNE_ATTR_2(name, name##_store)
-TUNE_ATTR(ilimit, 0);
-TUNE_ATTR(ilimit_tries, 0);
-TUNE_ATTR(ilimit_min, 0);
TUNE_ATTR(demote_secs, 0);
TUNE_ATTR(incore_log_blocks, 0);
TUNE_ATTR(log_flush_secs, 0);
-TUNE_ATTR(jindex_refresh_secs, 0);
TUNE_ATTR(quota_warn_period, 0);
TUNE_ATTR(quota_quantum, 0);
-TUNE_ATTR(atime_quantum, 0);
TUNE_ATTR(max_readahead, 0);
TUNE_ATTR(complain_secs, 0);
-TUNE_ATTR(reclaim_limit, 0);
-TUNE_ATTR(prefetch_secs, 0);
TUNE_ATTR(statfs_slow, 0);
TUNE_ATTR(new_files_jdata, 0);
-TUNE_ATTR(new_files_directio, 0);
TUNE_ATTR(quota_simul_sync, 1);
TUNE_ATTR(quota_cache_secs, 1);
-TUNE_ATTR(max_atomic_write, 1);
TUNE_ATTR(stall_secs, 1);
-TUNE_ATTR(entries_per_readdir, 1);
-TUNE_ATTR(greedy_default, 1);
-TUNE_ATTR(greedy_quantum, 1);
-TUNE_ATTR(greedy_max, 1);
TUNE_ATTR(statfs_quantum, 1);
-TUNE_ATTR_DAEMON(scand_secs, scand_process);
TUNE_ATTR_DAEMON(recoverd_secs, recoverd_process);
TUNE_ATTR_DAEMON(logd_secs, logd_process);
-TUNE_ATTR_DAEMON(quotad_secs, quotad_process);
-TUNE_ATTR_DAEMON(inoded_secs, inoded_process);
TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store);
static struct attribute *tune_attrs[] = {
- &tune_attr_ilimit.attr,
- &tune_attr_ilimit_tries.attr,
- &tune_attr_ilimit_min.attr,
&tune_attr_demote_secs.attr,
&tune_attr_incore_log_blocks.attr,
&tune_attr_log_flush_secs.attr,
- &tune_attr_jindex_refresh_secs.attr,
&tune_attr_quota_warn_period.attr,
&tune_attr_quota_quantum.attr,
- &tune_attr_atime_quantum.attr,
&tune_attr_max_readahead.attr,
&tune_attr_complain_secs.attr,
- &tune_attr_reclaim_limit.attr,
- &tune_attr_prefetch_secs.attr,
&tune_attr_statfs_slow.attr,
&tune_attr_quota_simul_sync.attr,
&tune_attr_quota_cache_secs.attr,
- &tune_attr_max_atomic_write.attr,
&tune_attr_stall_secs.attr,
- &tune_attr_entries_per_readdir.attr,
- &tune_attr_greedy_default.attr,
- &tune_attr_greedy_quantum.attr,
- &tune_attr_greedy_max.attr,
&tune_attr_statfs_quantum.attr,
- &tune_attr_scand_secs.attr,
&tune_attr_recoverd_secs.attr,
&tune_attr_logd_secs.attr,
- &tune_attr_quotad_secs.attr,
- &tune_attr_inoded_secs.attr,
&tune_attr_quota_scale.attr,
&tune_attr_new_files_jdata.attr,
- &tune_attr_new_files_directio.attr,
- NULL
+ NULL,
};
static struct attribute_group lockstruct_group = {
.name = "lockstruct",
- .attrs = lockstruct_attrs
+ .attrs = lockstruct_attrs,
};
static struct attribute_group counters_group = {
.name = "counters",
- .attrs = counters_attrs
+ .attrs = counters_attrs,
};
static struct attribute_group args_group = {
.name = "args",
- .attrs = args_attrs
+ .attrs = args_attrs,
};
static struct attribute_group tune_group = {
.name = "tune",
- .attrs = tune_attrs
+ .attrs = tune_attrs,
};
int gfs2_sys_fs_add(struct gfs2_sbd *sdp)
{
int error;
- sdp->sd_kobj.kset = &gfs2_kset;
- sdp->sd_kobj.ktype = &gfs2_ktype;
-
- error = kobject_set_name(&sdp->sd_kobj, "%s", sdp->sd_table_name);
- if (error)
- goto fail;
-
- error = kobject_register(&sdp->sd_kobj);
+ sdp->sd_kobj.kset = gfs2_kset;
+ error = kobject_init_and_add(&sdp->sd_kobj, &gfs2_ktype, NULL,
+ "%s", sdp->sd_table_name);
if (error)
goto fail;
if (error)
goto fail_args;
+ kobject_uevent(&sdp->sd_kobj, KOBJ_ADD);
return 0;
- fail_args:
+fail_args:
sysfs_remove_group(&sdp->sd_kobj, &args_group);
- fail_counters:
+fail_counters:
sysfs_remove_group(&sdp->sd_kobj, &counters_group);
- fail_lockstruct:
+fail_lockstruct:
sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
- fail_reg:
- kobject_unregister(&sdp->sd_kobj);
- fail:
+fail_reg:
+ kobject_put(&sdp->sd_kobj);
+fail:
+ fs_err(sdp, "error %d adding sysfs files", error);
return error;
}
sysfs_remove_group(&sdp->sd_kobj, &args_group);
sysfs_remove_group(&sdp->sd_kobj, &counters_group);
sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
- kobject_unregister(&sdp->sd_kobj);
+ kobject_put(&sdp->sd_kobj);
}
int gfs2_sys_init(void)
{
gfs2_sys_margs = NULL;
spin_lock_init(&gfs2_sys_margs_lock);
- return kset_register(&gfs2_kset);
+ gfs2_kset = kset_create_and_add("gfs2", NULL, fs_kobj);
+ if (!gfs2_kset)
+ return -ENOMEM;
+ return 0;
}
void gfs2_sys_uninit(void)
{
kfree(gfs2_sys_margs);
- kset_unregister(&gfs2_kset);
+ kset_unregister(gfs2_kset);
}
Code Review / linux-2.6.git / blobdiff