Re: Page/Buffer Cache: Traversing Dirty Buffers

[Marcelo Tosatti]

On Mon, Oct 11, 2004 at 04:22:02AM -0700, Can Sar wrote:
> Hi,
> 
> I know this is not really the right place for asking general questions, 
> but I have read the source and searched the web and LKML archives for 2 
> days without much avail.
> I am writing a driver for a research project, and need to be able to 
> traverse all dirty buffers in the buffer cache, for this device. I have 
> read through buffer.c and several other files a dozen times, but have 
> not been able to pin down exactly how to get access to the buffer 
> cache. If someone could point any files that I should look at, to get a 
> pointer to all the dirty buffers associated with a device, I would be 
> very happy.
> 
> Thank you very much for your help,
> Can Sar

What kernel version are you using? 

Look at fs/buffer.c sync_buffers() & related functions.
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