diff options
Diffstat (limited to 'drivers/md/bcache/sysfs.c')
| -rw-r--r-- | drivers/md/bcache/sysfs.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index 9d5fe12f0c9c..c09748497cdc 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -742,21 +742,8 @@ STORE(__bch_cache_set) bch_cache_accounting_clear(&c->accounting); } - if (attr == &sysfs_trigger_gc) { - /* - * Garbage collection thread only works when sectors_to_gc < 0, - * when users write to sysfs entry trigger_gc, most of time - * they want to forcibly triger gargage collection. Here -1 is - * set to c->sectors_to_gc, to make gc_should_run() give a - * chance to permit gc thread to run. "give a chance" means - * before going into gc_should_run(), there is still chance - * that c->sectors_to_gc being set to other positive value. So - * writing sysfs entry trigger_gc won't always make sure gc - * thread takes effect. - */ - atomic_set(&c->sectors_to_gc, -1); - wake_up_gc(c); - } + if (attr == &sysfs_trigger_gc) + force_wake_up_gc(c); if (attr == &sysfs_prune_cache) { struct shrink_control sc; |