On 11/6/18 4:01 PM, Thomas Munro wrote:
Use pg_pread() and pg_pwrite() for data files and WAL.
Cut down on system calls by doing random I/O using offset-based OS
routines where available. Remove the code for tracking the 'virtual'
seek position. The only reason left to call FileSeek() was to get
the file's size, so provide a new function FileSize() instead.
Getting this warning (gcc 8.2.1 Fedora 29):
Nov 06 17:18:55
/home/bf/bfr/root/HEAD/pgsql.build/../pgsql/src/backend/storage/file/fd.c:
In function ‘FileSize’:
Nov 06 17:18:55
/home/bf/bfr/root/HEAD/pgsql.build/../pgsql/src/backend/storage/file/fd.c:2007:11:
warning: variable ‘vfdP’ set but not used [-Wunused-but-set-variable]
Nov 06 17:18:55 Vfd *vfdP;
Nov 06 17:18:55 ^~~~
cheers
andrew
--
Andrew Dunstan https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
