linux-ext4 - Re: [PATCH 1/2] ext4: clean up ext4_dirty

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Message-ID: <6601abe90909230737s181769b1j968c92984344a40@mail.gmail.com>
Date:	Wed, 23 Sep 2009 07:37:06 -0700
From:	Curt Wohlgemuth <curtw@...gle.com>
To:	ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH 1/2] ext4: clean up ext4_dirty_inode()

Ted, any comment on this patch?

Thanks,
Curt

On Thu, Sep 17, 2009 at 2:55 PM, Curt Wohlgemuth <curtw@...gle.com> wrote:
> This patch cleans up ext4_dirty_inode(); it's attempt to detect non-matching
> transactions can never be executed.
>
>        Signed-off-by: Curt Wohlgemuth <curtw@...gle.com>
> ---
>
> If 'current_handle' is non-NULL, then ext4_start_journal() will return the
> same handle with it's h_ref count incremented, and the h_transaction
> pointers will be the same.
>
> diff -uprN orig/fs/ext4/inode.c new/fs/ext4/inode.c
> --- orig/fs/ext4/inode.c        2009-09-17 13:59:48.000000000 -0700
> +++ new/fs/ext4/inode.c 2009-09-17 14:14:43.000000000 -0700
> @@ -5379,24 +5379,13 @@ void ext4_dirty_inode(struct inode *inod
>        handle_t *current_handle = ext4_journal_current_handle();
>        handle_t *handle;
>
> -       if (!ext4_handle_valid(current_handle)) {
> -               ext4_mark_inode_dirty(current_handle, inode);
> -               return;
> -       }
> -
>        handle = ext4_journal_start(inode, 2);
>        if (IS_ERR(handle))
>                goto out;
> -       if (current_handle &&
> -               current_handle->h_transaction != handle->h_transaction) {
> -               /* This task has a transaction open against a different fs */
> -               printk(KERN_EMERG "%s: transactions do not match!\n",
> -                      __func__);
> -       } else {
> -               jbd_debug(5, "marking dirty.  outer handle=%p\n",
> -                               current_handle);
> -               ext4_mark_inode_dirty(handle, inode);
> -       }
> +
> +       jbd_debug(5, "marking dirty.  outer handle=%p\n", current_handle);
> +       ext4_mark_inode_dirty(handle, inode);
> +
>        ext4_journal_stop(handle);
>  out:
>        return;
>
--
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