Hi, On 2021-01-12 13:14:45 -0800, Darrick J. Wong wrote: > ALLOCSP64 can only allocate pre-zeroed blocks as part of extending EOF, > whereas a new FZERO flag means that we can pre-zero an arbitrary range > of bytes in a file. I don't know if Avi or Andres' usecases demand that > kind of flexibilty but I know I'd rather go for the more powerful > interface. Postgres/I don't at the moment have a need to allocate "written" zeroed space anywhere but EOF. I can see some potential uses for more flexible pre-zeroing in the future though, but not very near term. Greetings, Andres Freund
