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path: root/patches/0002-io-wq-Don-t-mix-raw_spinlock_irq-spin_lock_irq.patch
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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 4 Aug 2021 17:58:03 +0200
Subject: [PATCH] io-wq: Don't mix raw_spinlock_irq() & spin_lock_irq().

https://lkml.kernel.org/r/7c946918-ae0d-6195-6a78-b019f9bc1fd3@kernel.dk
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
 fs/io-wq.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/fs/io-wq.c
+++ b/fs/io-wq.c
@@ -413,7 +413,7 @@ static void io_wait_on_hash(struct io_wq
 {
 	struct io_wq *wq = wqe->wq;
 
-	spin_lock(&wq->hash->wait.lock);
+	spin_lock_irq(&wq->hash->wait.lock);
 	if (list_empty(&wqe->wait.entry)) {
 		__add_wait_queue(&wq->hash->wait, &wqe->wait);
 		if (!test_bit(hash, &wq->hash->map)) {
@@ -421,7 +421,7 @@ static void io_wait_on_hash(struct io_wq
 			list_del_init(&wqe->wait.entry);
 		}
 	}
-	spin_unlock(&wq->hash->wait.lock);
+	spin_unlock_irq(&wq->hash->wait.lock);
 }
 
 static struct io_wq_work *io_get_next_work(struct io_wqe *wqe)
@@ -459,9 +459,9 @@ static struct io_wq_work *io_get_next_wo
 	}
 
 	if (stall_hash != -1U) {
-		raw_spin_unlock(&wqe->lock);
+		raw_spin_unlock_irq(&wqe->lock);
 		io_wait_on_hash(wqe, stall_hash);
-		raw_spin_lock(&wqe->lock);
+		raw_spin_lock_irq(&wqe->lock);
 	}
 
 	return NULL;