Date: Wed, 4 Nov 1998 16:54:54 +0100 (MET) From: Luigi Rizzo <luigi@labinfo.iet.unipi.it> To: seggers@semyam.dinoco.de (Stefan Eggers) Cc: bf20761@binghamton.edu, freebsd-hackers@FreeBSD.ORG, seggers@semyam.dinoco.de Subject: Re: How sync() gets called every 30 seconds? Message-ID: <199811041554.QAA19119@labinfo.iet.unipi.it> In-Reply-To: <199811041746.SAA02575@semyam.dinoco.de> from "Stefan Eggers" at Nov 4, 98 06:46:08 pm
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> > Hi, Can anyone tell me where in the source code the sync() (in > > vfs_syscalls.c) is set up to be called every 30 seconds? > > In vfs_subr.c with a SYSINIT_KT() and an associated struct. This > creates a process which consists of sched_sync. speaking of this... is this parametrized ? On a laptop, i wonder if syncing every 30s while doing ordinary activities (e.g. editing) defeats completely the disk auto-shutdown routines. Because power failures are less frequent (i hope!) in that environment, is there any other reason to have frequent SYNCs ? luigi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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