On 01.02.2017 11:48, Alberto Garcia wrote: > On Tue 31 Jan 2017 11:31:34 PM CET, Max Reitz <[email protected]> wrote: >>> I think the checks as they are now are very simple and it's not worth >>> complicating them too much unless we have numbers that prove that >>> they're slowing things down. I only got those numbers for the first >>> one. >> >> I personally just think it's plain stupid to iterate through all of >> the L1 table before every write access. It just hurts my soul. > > Right, but that's only a problem if the virtual size of the qcow2 image > is very large, and even in that case it can be easily kept under control > simply by increasing the cluster size.
The thing is that it should never be a problem in the first place. Why would you increase the cluster size for a check that you actually should not be needing anyway? Max
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