linux-kernel - [PATCH] lightnvm: check bi

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Message-Id: <1451368212-20076-1-git-send-email-ww.tao0320@gmail.com>
Date:	Tue, 29 Dec 2015 13:50:12 +0800
From:	Wenwei Tao <ww.tao0320@...il.com>
To:	mb@...htnvm.io
Cc:	linux-kernel@...r.kernel.org, linux-block@...r.kernel.org
Subject: [PATCH] lightnvm: check bi_error in gc

We should check last io compeltion status before
start another one.

Signed-off-by: Wenwei Tao <ww.tao0320@...il.com>
---
 drivers/lightnvm/rrpc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index c0886a8..d40c140 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -328,6 +328,10 @@ try:
 			goto finished;
 		}
 		wait_for_completion_io(&wait);
+		if (bio->bi_error) {
+			rrpc_inflight_laddr_release(rrpc, rqd);
+			goto finished;
+		}
 
 		bio_reset(bio);
 		reinit_completion(&wait);
@@ -350,6 +354,8 @@ try:
 		wait_for_completion_io(&wait);
 
 		rrpc_inflight_laddr_release(rrpc, rqd);
+		if (bio->bi_error)
+			goto finished;
 
 		bio_reset(bio);
 	}
-- 
1.8.3.1

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