Re: reiser fs slow on mksf and mount

[Jeff Mahoney <jeffm@suse.com>]

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Ming Zhang wrote:
>>>any way to store these bitmap together?
> The "old" reiserfs disk format did exactly that. However, the gain
> realized (if any, see above) at mount time is quickly lost when the
> filesystem can no longer be dynamically expanded/shrunk, and if the
> bitmaps are actually read on-demand, then it causes needless seeks to
> the "bitmap secion."
> 
>> but anyway the bitmap will not scattered all around the disk rite?

If they were grouped together, no. As I said, though, there are other
reasons not to do that.

>> so where i could find a document about this bitmap layout? also detailed
>> information on whole file system layout?

Since Reiser4 became the focus of Namesys development, Reiser3
information has been somewhat difficult to find on the web site. It's
possible to find it using archive.org, however.

Hans - would you consider restoring reiser3 information to the namesys
web site?

- -Jeff

- --
Jeff Mahoney
SuSE Labs
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