linux-kernel - [PATCH 5.15 094/530] ext4: make ext4_lazyinit

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Date:   Mon, 24 Oct 2022 13:27:18 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, stable@...nel.org,
        Lalith Rajendran <lalithkraj@...gle.com>,
        Theodore Tso <tytso@....edu>
Subject: [PATCH 5.15 094/530] ext4: make ext4_lazyinit_thread freezable

From: Lalith Rajendran <lalithkraj@...gle.com>

commit 3b575495ab8dbb4dbe85b4ac7f991693c3668ff5 upstream.

ext4_lazyinit_thread is not set freezable. Hence when the thread calls
try_to_freeze it doesn't freeze during suspend and continues to send
requests to the storage during suspend, resulting in suspend failures.

Cc: stable@...nel.org
Signed-off-by: Lalith Rajendran <lalithkraj@...gle.com>
Link: https://lore.kernel.org/r/20220818214049.1519544-1-lalithkraj@google.com
Signed-off-by: Theodore Ts'o <tytso@....edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 fs/ext4/super.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3377,6 +3377,7 @@ static int ext4_lazyinit_thread(void *ar
 	unsigned long next_wakeup, cur;
 
 	BUG_ON(NULL == eli);
+	set_freezable();
 
 cont_thread:
 	while (true) {