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

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Date:   Thu, 21 Oct 2021 16:42:05 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     "J. Bruce Fields" <bfields@...ldses.org>,
        Chuck Lever <chuck.lever@...cle.com>,
        <linux-nfs@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] NFSD: 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>
---
 fs/nfsd/nfs4proc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index a36261f89bdf..69428cb31a55 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1685,15 +1685,15 @@ nfsd4_copy(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 		memcpy(&copy->cp_res.cb_stateid, &copy->cp_stateid.stid,
 			sizeof(copy->cp_res.cb_stateid));
 		dup_copy_fields(copy, async_copy);
-		async_copy->copy_task = kthread_create(nfsd4_do_async_copy,
-				async_copy, "%s", "copy thread");
+		async_copy->copy_task = kthread_run(nfsd4_do_async_copy,
+						    async_copy, "%s",
+						    "copy thread");
 		if (IS_ERR(async_copy->copy_task))
 			goto out_err;
 		spin_lock(&async_copy->cp_clp->async_lock);
 		list_add(&async_copy->copies,
 				&async_copy->cp_clp->async_copies);
 		spin_unlock(&async_copy->cp_clp->async_lock);
-		wake_up_process(async_copy->copy_task);
 		status = nfs_ok;
 	} else {
 		status = nfsd4_do_copy(copy, 1);
-- 
2.25.1