From: Javier González <javier@javigon.com>
Date: Mon, 16 Nov 2015 14:34:47 +0000 (+0100)
Subject: lightnvm: cleanup queue before target removal
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d09f9581b235a92abbe372531660b468fadabc17;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

lightnvm: cleanup queue before target removal

This prevents outstanding IOs to be sent for completion to target after
the target has been removed. The flow is now: stop new IOs > cleanup
queue > remove target.

Signed-off-by: Javier Gonzalez <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 790b1d7a8d43..8a556f3f36bb 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -460,11 +460,11 @@ static void nvm_remove_target(struct nvm_target *t)
 	lockdep_assert_held(&nvm_lock);
 
 	del_gendisk(tdisk);
+	blk_cleanup_queue(q);
+
 	if (tt->exit)
 		tt->exit(tdisk->private_data);
 
-	blk_cleanup_queue(q);
-
 	put_disk(tdisk);
 
 	list_del(&t->list);