[Linux-cluster] Re: [PATCH 00/14] GFS

[Mike Christie]

David Teigland wrote:
> On Tue, Aug 02, 2005 at 09:45:24AM +0200, Arjan van de Ven wrote:
> 
>>* Why are you using bufferheads extensively in a new filesystem?
> 
> 
> bh's are used for metadata, the log, and journaled data which need to be
> written at the block granularity, not page.
> 

In a scsi tree
http://kernel.org/git/?p=linux/kernel/git/jejb/scsi-block-2.6.git;a=summary
there is a function, bio_map_kern(), in fs.c that maps a buffer into a
bio. It does not have to be page granularity. Can something like that be
used in these places?