linux-ext4 - [PATCH 10/13] ext4: Drop special handling of journalled data from ext4_quota

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Date:   Wed, 29 Mar 2023 17:49:41 +0200
From:   Jan Kara <jack@...e.cz>
To:     Ted Tso <tytso@....edu>
Cc:     <linux-ext4@...r.kernel.org>, Jan Kara <jack@...e.cz>
Subject: [PATCH 10/13] ext4: Drop special handling of journalled data from ext4_quota_on()

Now that ext4_writepages() makes sure all journalled data is committed
and checkpointed, sync_filesystem() call done by dquot_quota_on() is
enough for quota IO to see uptodate data. So drop special handling of
journalled data from ext4_quota_on().

Signed-off-by: Jan Kara <jack@...e.cz>
---
 fs/ext4/super.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index f226f8ab469b..b9f8dd0d6e46 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -6881,23 +6881,6 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
 		sb_dqopt(sb)->flags &= ~DQUOT_NOLIST_DIRTY;
 	}
 
-	/*
-	 * When we journal data on quota file, we have to flush journal to see
-	 * all updates to the file when we bypass pagecache...
-	 */
-	if (EXT4_SB(sb)->s_journal &&
-	    ext4_should_journal_data(d_inode(path->dentry))) {
-		/*
-		 * We don't need to lock updates but journal_flush() could
-		 * otherwise be livelocked...
-		 */
-		jbd2_journal_lock_updates(EXT4_SB(sb)->s_journal);
-		err = jbd2_journal_flush(EXT4_SB(sb)->s_journal, 0);
-		jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal);
-		if (err)
-			return err;
-	}
-
 	lockdep_set_quota_inode(path->dentry->d_inode, I_DATA_SEM_QUOTA);
 	err = dquot_quota_on(sb, type, format_id, path);
 	if (!err) {
-- 
2.35.3