small blocks

Mag Gam magawake at
Fri Aug 15 11:21:23 UTC 2008

Hmm, I am wasting less space when I lower the ratio from 4096 to 1024
(the minimum). Why don't more people do this, since its frugal.
I guess your point of more overhead, but what causes more overhead?
Also, do you have the buzilla number I can investigate for this?

Sorry for such a newbie question.

On Thu, Aug 14, 2008 at 9:49 AM, Eric Sandeen <sandeen at> wrote:
> Mag Gam wrote:
>> I am trying to understand what the purpose of having small blocks per
>> inode. I know you can cram more inodes per filesystem,
> the main result is that you waste less space per file, since for
> randomly-sized files you waste half a block(size) per file.
>> but what is the
>> downside?
> More overhead for management, and more importantly, I still think there
> is a bug lurking somewhere with block size < page size (rpm tends to hit
> it for some people).
> -Eric

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