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