Re: 2.6.18 ext3 panic.

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On Thu, 12 Oct 2006 14:28:20 +0200
Jan Kara <[email protected]> wrote:

> Where can we call
> journal_dirty_data() without PageLock?

block_write_full_page() will unlock the page, so ext3_writepage()
will run journal_dirty_data_fn() against an unlocked page.

I haven't looked into the exact details of the race, but it should
be addressable via jbd_lock_bh_state() or j_list_lock coverage.
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