GFS2: Clean up & move gfs2_quotad

[linux-2.6.git] / fs / gfs2 / sys.c

diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 983eaf1e06becb3e0c6516bb04ffa397bc121ab9..59e36fd80903f219d7fe1cf9be5c5bc211243f2d 100644 (file)
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -20,7 +20,6 @@
 
 #include "gfs2.h"
 #include "incore.h"
-#include "lm.h"
 #include "sys.h"
 #include "super.h"
 #include "glock.h"
@@ -32,7 +31,8 @@ spinlock_t gfs2_sys_margs_lock;
 
 static ssize_t id_show(struct gfs2_sbd *sdp, char *buf)
 {
-       return snprintf(buf, PAGE_SIZE, "%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)
@@ -110,18 +110,6 @@ static ssize_t statfs_sync_store(struct gfs2_sbd *sdp, const char *buf,
        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)
 {
@@ -175,7 +163,6 @@ static struct gfs2_attr gfs2_attr_##name = __ATTR(name, mode, show, store)
 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);
@@ -186,7 +173,6 @@ static struct attribute *gfs2_attrs[] = {
        &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,
@@ -221,11 +207,7 @@ static struct kobj_type gfs2_ktype = {
        .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
@@ -287,14 +269,6 @@ ARGS_ATTR(quota,           "%u\n");
 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 snprintf(buf, PAGE_SIZE, "%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,
@@ -310,7 +284,6 @@ static struct attribute *args_attrs[] = {
        &args_attr_quota.attr,
        &args_attr_suiddir.attr,
        &args_attr_data.attr,
-       &args_attr_noatime.attr,
        NULL,
 };
 
@@ -331,15 +304,9 @@ static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf)                 \
 }                                                                           \
 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,
 };
@@ -429,59 +396,37 @@ TUNE_ATTR_2(name, name##_store)
 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(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_3(quota_scale, quota_scale_show, quota_scale_store);
 
 static struct attribute *tune_attrs[] = {
        &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_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_quota_scale.attr,
        &tune_attr_new_files_jdata.attr,
-       &tune_attr_new_files_directio.attr,
        NULL,
 };
 
@@ -509,14 +454,9 @@ 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;
 
@@ -536,6 +476,7 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp)
        if (error)
                goto fail_args;
 
+       kobject_uevent(&sdp->sd_kobj, KOBJ_ADD);
        return 0;
 
 fail_args:
@@ -545,7 +486,7 @@ fail_counters:
 fail_lockstruct:
        sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
 fail_reg:
-       kobject_unregister(&sdp->sd_kobj);
+       kobject_put(&sdp->sd_kobj);
 fail:
        fs_err(sdp, "error %d adding sysfs files", error);
        return error;
@@ -557,19 +498,22 @@ void gfs2_sys_fs_del(struct gfs2_sbd *sdp)
        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);
 }