Re: [PATCH] ext3: wait on all pending commits in ext3_sync_fs

From: Arthur Jones
Date: Mon Nov 03 2008 - 17:18:42 EST


Hi Ted, ...

On Mon, Nov 03, 2008 at 02:01:44PM -0800, Theodore Tso wrote:
> [...]
> @@ -2922,15 +2923,16 @@ static void ext4_write_super(struct super_block *sb)
>
> static int ext4_sync_fs(struct super_block *sb, int wait)
> {
> - tid_t target;
> + int ret;
>
> trace_mark(ext4_sync_fs, "dev %s wait %d", sb->s_id, wait);
> - sb->s_dirt = 0;
> - if (jbd2_journal_start_commit(EXT4_SB(sb)->s_journal, &target)) {
> - if (wait)
> - jbd2_log_wait_commit(EXT4_SB(sb)->s_journal, target);
> - }
> - return 0;
> + if (wait)
> + ret = ext4_force_commit(sb);
> + else
> + ret = jbd2_journal_start_commit(EXT4_SB(sb)->s_journal, NULL);
> + if (!ret)
> + sb->s_dirt = 0;
> + return ret;

This bit will clear sb->s_dirt if we did _not_ start
a commit in jbd2_journal_start_commit. It will return
1 if we did start a commit which I don't think is what
we want to do here...

Arthur
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