lightnvm: pblk: remove target using async. I/Os

[linux.git] / drivers / lightnvm / pblk-init.c

diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index b3fc310aa51c1a1ce6a8b0ae2c447e0756189ada..025d8fe52154a7ebf922b26e29886a657eb2b3fe 100644 (file)
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -841,6 +841,15 @@ static int pblk_writer_init(struct pblk *pblk)
 
 static void pblk_writer_stop(struct pblk *pblk)
 {
+       /* The pipeline must be stopped and the write buffer emptied before the
+        * write thread is stopped
+        */
+       WARN(pblk_rb_read_count(&pblk->rwb),
+                       "Stopping not fully persisted write buffer\n");
+
+       WARN(pblk_rb_sync_count(&pblk->rwb),
+                       "Stopping not fully synced write buffer\n");
+
        if (pblk->writer_ts)
                kthread_stop(pblk->writer_ts);
        del_timer(&pblk->wtimer);