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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, zhouchuangao <zhouchuangao@vivo.com>,
        Trond Myklebust <trond.myklebust@hammerspace.com>
Subject: [PATCH 5.12 112/296] fs/nfs: Use fatal_signal_pending instead of signal_pending
Date:   Mon, 31 May 2021 15:12:47 +0200
Message-Id: <20210531130707.696742094@linuxfoundation.org>
In-Reply-To: <20210531130703.762129381@linuxfoundation.org>
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From: zhouchuangao <zhouchuangao@vivo.com>

commit bb002388901151fe35b6697ab116f6ed0721a9ed upstream.

We set the state of the current process to TASK_KILLABLE via
prepare_to_wait(). Should we use fatal_signal_pending() to detect
the signal here?

Fixes: b4868b44c562 ("NFSv4: Wait for stateid updates after CLOSE/OPEN_DOWNGRADE")
Signed-off-by: zhouchuangao <zhouchuangao@vivo.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/nfs/nfs4proc.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1682,7 +1682,7 @@ static void nfs_set_open_stateid_locked(
 		rcu_read_unlock();
 		trace_nfs4_open_stateid_update_wait(state->inode, stateid, 0);
 
-		if (!signal_pending(current)) {
+		if (!fatal_signal_pending(current)) {
 			if (schedule_timeout(5*HZ) == 0)
 				status = -EAGAIN;
 			else
@@ -3458,7 +3458,7 @@ static bool nfs4_refresh_open_old_statei
 		write_sequnlock(&state->seqlock);
 		trace_nfs4_close_stateid_update_wait(state->inode, dst, 0);
 
-		if (signal_pending(current))
+		if (fatal_signal_pending(current))
 			status = -EINTR;
 		else
 			if (schedule_timeout(5*HZ) != 0)