linux-kernel - [PATCH v2 9/9] jbd2: remove unnecessary "should

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Message-Id: <20240514112438.1269037-10-shikemeng@huaweicloud.com>
Date: Tue, 14 May 2024 19:24:38 +0800
From: Kemeng Shi <shikemeng@...weicloud.com>
To: tytso@....edu,
	jack@...e.com,
	yi.zhang@...weicloud.com
Cc: linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 9/9] jbd2: remove unnecessary "should_sleep" in kjournald2

We only need to sleep if no running transaction is expired. Simply remove
unnecessary "should_sleep".

Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
Reviewed-by: Zhang Yi <yi.zhang@...wei.com>
Reviewed-by: Jan Kara <jack@...e.cz>
---
 fs/jbd2/journal.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 59bff0b75ce7..bf3a425dc057 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -220,15 +220,12 @@ static int kjournald2(void *arg)
 		 * so we don't sleep
 		 */
 		DEFINE_WAIT(wait);
-		int should_sleep = 1;
 
 		prepare_to_wait(&journal->j_wait_commit, &wait,
 				TASK_INTERRUPTIBLE);
 		transaction = journal->j_running_transaction;
-		if (transaction && time_after_eq(jiffies,
-						transaction->t_expires))
-			should_sleep = 0;
-		if (should_sleep) {
+		if (transaction == NULL ||
+		    time_before(jiffies, transaction->t_expires)) {
 			write_unlock(&journal->j_state_lock);
 			schedule();
 			write_lock(&journal->j_state_lock);
-- 
2.30.0