bcache: Fix sysfs splat on shutdown with flash only devs

Whoops.

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 f645da61189a..9f5a1386f77a 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -512,7 +512,7 @@ static bool check_should_bypass(struct cached_dev *dc, struct bio *bio)
         struct task_struct *task = current;
         struct io *i;
 
-        if (atomic_read(&dc->disk.detaching) ||
+        if (test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags) ||
             c->gc_stats.in_use > CUTOFF_CACHE_ADD ||
             (bio->bi_rw & REQ_DISCARD))
                 goto skip;