linux-kernel - [PATCH 4.19 144/422] f2fs: submit bio after shutdown

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Message-Id: <20191119051408.051714137@linuxfoundation.org>
Date:   Tue, 19 Nov 2019 06:15:41 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jaegeuk Kim <jaegeuk@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 144/422] f2fs: submit bio after shutdown

From: Jaegeuk Kim <jaegeuk@...nel.org>

[ Upstream commit 5ce805869cbed93267ed26552ff76e30f05c91f7 ]

Sometimes, some merged IOs could get a chance to be submitted, resulting in
system hang in shutdown test. This issues IOs all the time after shutdown.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/f2fs/data.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index c61beaedf0789..b4a634da1372b 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -543,6 +543,8 @@ skip:
 	if (fio->in_list)
 		goto next;
 out:
+	if (is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN))
+		__submit_merged_bio(io);
 	up_write(&io->io_rwsem);
 }
 
-- 
2.20.1