Re: XFS and journalling filesystems
Jeremy Fitzhardinge (jeremy@goop.org)
Sat, 29 May 1999 10:37:21 -0700 (PDT)
On 27-May-99 Jim Mostek wrote:
> It depends on how you do (journalling sp??). XFS has an async log so meta
> data
> operations get clumped into a single log write to disk (for several) ops
> (usually).
> Most other journal FS' don't do this. In fact, the only one that does
> async logging that I'm familiar with is XFS. I saw Stephen's design
> doc and he talks about bundling up the meta data operations, too.
The BeOS filesystem aggregates transactions into before writing. I got the
impression that pretty much all modern journalling filesystems do this, since
the other approach is so slow.
J
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