bcache: Convert gc to a kthread

We needed a dedicated rescuer workqueue for gc anyways... and gc was
conceptually a dedicated thread, just one that wasn't running all the
time. Switch it to a dedicated thread to make the code a bit more
straightforward.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c
index 1b64e662e81b..b9bd5866055d 100644
--- a/drivers/md/bcache/alloc.c
+++ b/drivers/md/bcache/alloc.c
@@ -210,7 +210,7 @@ static void invalidate_buckets_lru(struct cache *ca)
                          * multiple times when it can't do anything
                          */
                         ca->invalidate_needs_gc = 1;
-                        bch_queue_gc(ca->set);
+                        wake_up_gc(ca->set);
                         return;
                 }
 
@@ -235,7 +235,7 @@ static void invalidate_buckets_fifo(struct cache *ca)
 
                 if (++checked >= ca->sb.nbuckets) {
                         ca->invalidate_needs_gc = 1;
-                        bch_queue_gc(ca->set);
+                        wake_up_gc(ca->set);
                         return;
                 }
         }
@@ -260,7 +260,7 @@ static void invalidate_buckets_random(struct cache *ca)
 
                 if (++checked >= ca->sb.nbuckets / 2) {
                         ca->invalidate_needs_gc = 1;
-                        bch_queue_gc(ca->set);
+                        wake_up_gc(ca->set);
                         return;
                 }
         }