When a block is freed as part of transaction group N, it can be reused
in transaction group N+1.  There's at most a one-txg (few-second) delay.

Jeff

On Mon, Jun 16, 2008 at 01:02:53PM -0400, Torrey McMahon wrote:
> I'm doing some simple testing of ZFS block reuse and was wondering when 
> deferred frees kick in. Is it on some sort of timer to ensure data 
> consistency? Does an other routine call it? Would something as simple as 
> sync(1M) get the free block list written out so future allocations could 
> use the space?
> 
> ... or am I way off in the weeds? :)
> _______________________________________________
> zfs-discuss mailing list
> zfs-discuss@opensolaris.org
> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
_______________________________________________
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Reply via email to