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path: root/drivers/md/bcache/super.c
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Diffstat (limited to 'drivers/md/bcache/super.c')
-rw-r--r--drivers/md/bcache/super.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 88113fe57fe..b4713cea191 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -704,7 +704,8 @@ static void bcache_device_detach(struct bcache_device *d)
atomic_set(&d->detaching, 0);
}
- bcache_device_unlink(d);
+ if (!d->flush_done)
+ bcache_device_unlink(d);
d->c->devices[d->id] = NULL;
closure_put(&d->c->caching);
@@ -1016,6 +1017,14 @@ static void cached_dev_flush(struct closure *cl)
struct cached_dev *dc = container_of(cl, struct cached_dev, disk.cl);
struct bcache_device *d = &dc->disk;
+ mutex_lock(&bch_register_lock);
+ d->flush_done = 1;
+
+ if (d->c)
+ bcache_device_unlink(d);
+
+ mutex_unlock(&bch_register_lock);
+
bch_cache_accounting_destroy(&dc->accounting);
kobject_del(&d->kobj);