xfs preallocation timeout

[Dave Chinner]

On Wed, Feb 11, 2009 at 03:22:11PM +0100, Michael Monnerie wrote:
> Does /proc/sys/vm/dirty_expire_centisecs influence the maximum time XFS 
> takes before the "in-memory but not on disk" preallocation actually 
> starts writing to disk?

Yes.

BTW, you are referring to "delayed allocation", not
"pre-allocation". Pre-allocation is the act of immediately
allocating space on disk without writing data; delayed allocation is
avoiding allocation until the data is to be written to disk...

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com