On Tue, Dec 12, 2023 at 05:10:42AM -0800, Christoph Hellwig wrote: > On Tue, Dec 12, 2023 at 07:46:51AM +0000, John Garry wrote: > > It is assumed that the user will fallocate/dd the complete file before > > issuing atomic writes, and we will have extent alignment and length as > > required. > > I don't think that's a long time maintainable usage model. For databases that are trying to use this to significantly improve their performance by eliminating double writes, the allocation and writes are being done by a single process. So for *that* use case, it is quite maintainable. Cheers, - Ted
