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



Mike Christie wrote:
> 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

oh yeah it is in -mm too.

> 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?
> 
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