linux-kernel - [PATCH] dm crypt: Make use of the helper macro kthread

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Date:   Thu, 21 Oct 2021 16:39:01 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...hat.com>, <dm-devel@...hat.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] dm crypt: Make use of the helper macro kthread_run()

Repalce kthread_create/wake_up_process() with kthread_run()
to simplify the code.

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
 drivers/md/dm-crypt.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 1ee3da2bfd0b..d4ae31558826 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -3363,14 +3363,13 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	spin_lock_init(&cc->write_thread_lock);
 	cc->write_tree = RB_ROOT;
 
-	cc->write_thread = kthread_create(dmcrypt_write, cc, "dmcrypt_write/%s", devname);
+	cc->write_thread = kthread_run(dmcrypt_write, cc, "dmcrypt_write/%s", devname);
 	if (IS_ERR(cc->write_thread)) {
 		ret = PTR_ERR(cc->write_thread);
 		cc->write_thread = NULL;
 		ti->error = "Couldn't spawn write thread";
 		goto bad;
 	}
-	wake_up_process(cc->write_thread);
 
 	ti->num_flush_bios = 1;
 	ti->limit_swap_bios = true;
-- 
2.25.1