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bcache: Fix error handling in init code

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This code appears to have rotted... fix various bugs and do some
refactoring.

Signed-off-by: Kent Overstreet <koverstreet@google.com>
This commit is contained in:
Kent Overstreet
2013-05-15 00:11:26 -07:00
parent fe0a797a6b
commit f59fce847f
4 changed files with 99 additions and 121 deletions
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34
drivers/md/bcache/stats.c
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@@ -93,24 +93,6 @@ static struct attribute *bch_stats_files[] = {
};
static KTYPE(bch_stats);
static void scale_accounting(unsigned long data);
void bch_cache_accounting_init(struct cache_accounting *acc,
struct closure *parent)
{
kobject_init(&acc->total.kobj, &bch_stats_ktype);
kobject_init(&acc->five_minute.kobj, &bch_stats_ktype);
kobject_init(&acc->hour.kobj, &bch_stats_ktype);
kobject_init(&acc->day.kobj, &bch_stats_ktype);
closure_init(&acc->cl, parent);
init_timer(&acc->timer);
acc->timer.expires = jiffies + accounting_delay;
acc->timer.data = (unsigned long) acc;
acc->timer.function = scale_accounting;
add_timer(&acc->timer);
}
int bch_cache_accounting_add_kobjs(struct cache_accounting *acc,
struct kobject *parent)
{
@@ -244,3 +226,19 @@ void bch_mark_sectors_bypassed(struct search *s, int sectors)
atomic_add(sectors, &dc->accounting.collector.sectors_bypassed);
atomic_add(sectors, &s->op.c->accounting.collector.sectors_bypassed);
}
void bch_cache_accounting_init(struct cache_accounting *acc,
struct closure *parent)
{
kobject_init(&acc->total.kobj, &bch_stats_ktype);
kobject_init(&acc->five_minute.kobj, &bch_stats_ktype);
kobject_init(&acc->hour.kobj, &bch_stats_ktype);
kobject_init(&acc->day.kobj, &bch_stats_ktype);
closure_init(&acc->cl, parent);
init_timer(&acc->timer);
acc->timer.expires = jiffies + accounting_delay;
acc->timer.data = (unsigned long) acc;
acc->timer.function = scale_accounting;
add_timer(&acc->timer);
}