Tom Lane wrote: > Magnus Hagander <mag...@hagander.net> writes: >> Heikki Linnakangas wrote: >>> cygwin supports POSIX_FADV_SEQUENTIAL (and POSIX_FADV_NORMAL to revert >>> it), but not any of the other flags. It maps it to >>> NtSetInformationFile() like this: > >> We set this in our open() wrapper in the code today. > > Really? Where? I didn't find any of the mentioned symbols in a quick > grep.
We pass FILE_FLAG_SEQUENTIAL_SCAN to the open call if O_SEQUENTIAL is specified. > I'm not sure how Windows interprets FILE_SEQUENTIAL_ONLY, but if that > really means that it assumes *only* sequential accesses will happen, > I'm not sure that we'd want to turn it on. It's an access-optimization hint, that's all. //Magnus -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
