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, 1 insertions, 1 deletions

diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 26d18f4bf4a0..f779eb420d69 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -520,7 +520,7 @@ static void bch_data_insert_start(struct closure *cl)
 
         if (atomic_sub_return(bio_sectors(bio), &op->c->sectors_to_gc) < 0) {
                 set_gc_sectors(op->c);
-                bch_queue_gc(op->c);
+                wake_up_gc(op->c);
         }
 
         /*