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SubjectRe: [PATCH] 2.6.11-mm1 "nobh" support for ext3 writeback mode
On Fri, 2005-03-04 at 16:45, Andrew Morton wrote:
> Badari Pulavarty <> wrote:
> >
> > > What's all this doing? (It needs comments please - it's very unobvious).
> >
> > All its trying to do is - to make sure the page is uptodate so that
> > it can zero out the portion thats needed.
> OK.
> > I can do getblock() and ll_rw_block(READ) instead. I was
> > trying to re-use the code and mpage_readpage() drops the lock.
> > What do you think ?
> Can you just call ->prepare_write, as nobh_truncate_page() does? That'll
> cause a nested transaction, but that's legal.

Thats what I tried earlier, but never got it working. Lots of journal
asserts :(

I guess I really need to learn journaling code someday.


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