Issue #5665 has been updated by Motohiro KOSAKI. r33826 ---------------------------------------- Feature #5665: [PATCH] io.c (rb_io_fsync,rb_io_fdatasync): release GVL http://redmine.ruby-lang.org/issues/5665 Author: Eric Wong Status: Assigned Priority: Low Assignee: Motohiro KOSAKI Category: core Target version: 2.0.0 fsync() and fdatasync() may take a long time on slow disks and/or if there is much dirty data. Also pullable via git: git pull git://bogomips.org/ruby.git fsync-nogvl (Once in a while I'll actually care to fsync(), most of the time I can't stand it and even use libeatmydata :) -- http://redmine.ruby-lang.org