Re: [PATCH 3/4] map multiple blocks for mpage_readpages()

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On Wed, 2006-03-01 at 20:45 -0800, Andrew Morton wrote:
> Badari Pulavarty <[email protected]> wrote:
> >
> >  do_mpage_readpage(struct bio *bio, struct page *page, unsigned nr_pages,
> >  -			sector_t *last_block_in_bio, get_block_t get_block)
> >  +			sector_t *last_block_in_bio, struct buffer_head *map_bh,
> >  +			unsigned long *first_logical_block, int *map_valid,
> >  +			get_block_t get_block)
> 
> I wonder if we really need that map_valid pointer there.  The normal way of
> communicating the validity of a bh is via buffer_uptodate().  I _think_
> that's an appropriate thing to use here.  With appropriate comments, of
> course..
> 
> If those options are not a sufficiently good fit then we can easily create
> a new buffer-head.state bit for this purpose - there are lots to spare.

Yep. Can be done. I will take a pass at it.

Thanks,
Badari

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