On Thu, 24 Sep 2009, Alasdair G Kergon wrote: > On Wed, Sep 23, 2009 at 10:25:08AM -0500, Jon Brassow wrote: > > Don't insert into hash before an existing chunk. > > Most inserts are after an existing extent anyway so this code is used > > very rarely. > > Again, I'm not particularly keen on taking this one. Some systems are very > short of memory and everything we can save matters and we have no statistics > about how "rare" this actually is. > > Is it really that difficult to split into two when removing? It is code bloat --- it would increase coding/reviewing/testing time (the splitting would have to be simulated because it happens rarely). Also, it could lead to the situation that memory consumption starts growing when merging. Mikulas > Alasdair > -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel