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Re: How to increase IO size of buffer cache

On Apr 4, 2005 6:15 PM, Sandeep Tyagi <sandeepktyagi@xxxxxxxxx> wrote:
> Let me reframe my query.
> 
> Is it possible to have a buffer of size greater than a page size in
> linux 2.6 kernel ?

No, not if you mean memory referred to by a buffer_head structure.

However, using the struct bio structure you can issue i/o requests
spanning several pages. Have a look at mpage.c for inspiration.

I may be involved in a similar work that you do, please let me know
what you find out.

HTH

Martin Jambor

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