bcache: Fix a lockdep splat

bch_keybuf_del() takes a spinlock that can't be taken in interrupt context -
whoops. Fortunately, this code isn't enabled by default (you have to toggle a
sysfs thing).

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

diff --git a/drivers/md/bcache/movinggc.c b/drivers/md/bcache/movinggc.c
index 1a3b4f4786c3cee411d16c3a9a453e1fcd33b681..dd8a035c5ae1c9f95b9cf41c07a70489dd5f785a 100644 (file)
--- a/drivers/md/bcache/movinggc.c
+++ b/drivers/md/bcache/movinggc.c
@@ -113,7 +113,7 @@ static void write_moving(struct closure *cl)
                bch_insert_data(&s->op.cl);
        }
 
-       continue_at(cl, write_moving_finish, NULL);
+       continue_at(cl, write_moving_finish, bch_gc_wq);
 }
 
 static void read_moving_submit(struct closure *cl)